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Samsung Galaxy M15 5G (4GB + 128GB) Review | 197 Data compared

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  • Avg. price: ~£140
  • RAM capacity: 4 GB
  • Internal storage: 128 GB
  • Screen size: 6.5 inches
  • Main camera megapixels: 50 MP & 5 MP & 2 MP

Samsung Galaxy M15 5G (4GB + 128GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

7.1

Overall score

What it is: An overall evaluation of the smartphone's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best smartphones on the market.

Score components:

90.0%

7.0

Technical Score

10.0%

8.1

User score

Very good
7.0

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare smartphones based on technical performance and available features.

Score components:

25.0%

7.1

Performance & Hardware

18.0%

6.5

Camera

15.0%

6.4

Display

15.0%

7.4

Battery

10.0%

8.1

Software

10.0%

7.8

Connectivity

4.0%

3.9

Audio

3.0%

7.8

Design

Very good
8.1

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.8

User reviews

30.0%

6.4

Popularity

User score:
United Kingdom
amazon
4.4
(115)
amazon
4.5
(90)
amazon
4.2
(33)

(Reviews last updated: Mar 2026)

Excellent
    • No image
    No image

    Best prices

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Verdict

    The Samsung Galaxy M15 5G (4GB + 128GB) is a budget-friendly smartphone featuring a vibrant 6.5-inch Full HD+ Super AMOLED display with a 90Hz refresh rate, powered by the MediaTek Dimensity 6100+ processor and running Android 14 out of the box. The main pros include a massive and long-lasting 6,000mAh battery with 25W fast charging support, a versatile 50MP triple-camera system, a 13MP front camera, and an impressive software commitment of four generations of OS upgrades plus five years of security updates. Primary cons reported by some users for the 4GB RAM variant include potential performance lags or hanging issues during use and the fact that a charger is not always included in the box.

    Technical Specifications of smartphone Samsung Galaxy M15 5G (4GB + 128GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare smartphones based on technical performance and available features.

    Score components:

    25.0%

    7.1

    Performance & Hardware

    18.0%

    6.5

    Camera

    15.0%

    6.4

    Display

    15.0%

    7.4

    Battery

    10.0%

    8.1

    Software

    10.0%

    7.8

    Connectivity

    4.0%

    3.9

    Audio

    3.0%

    7.8

    Design

    7.0
    Samsung Galaxy M15 5G (4GB + 128GB) has a technical score of 6.97 points, which is lower than 57.9% of smartphones.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    8.8

    User reviews

    30.0%

    6.4

    Popularity

    User score:
    United Kingdom
    amazon
    4.4
    (115)
    amazon
    4.5
    (90)
    amazon
    4.2
    (33)

    (Reviews last updated: Mar 2026)

    8.1
    Samsung Galaxy M15 5G (4GB + 128GB) has a user score of 8.1 points, which is higher than 61.2% of smartphones.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    6.4
    Samsung Galaxy M15 5G (4GB + 128GB) has a popularity of 6.4 points, which is higher than 55.6% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the smartphone's overall rating with its cost.

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    7.1

    Overall score

    40.0%

    9.8

    Price

    7.9
    Samsung Galaxy M15 5G (4GB + 128GB) has a quality-to-price ratio of 7.9 points, which is higher than 62.4% of smartphones.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: MEDIUM

    Samsung
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    MediaTek Dimensity 6100+
    Samsung Galaxy M15 5G (4GB + 128GB) uses the MediaTek Dimensity 6100+ processor model which is slower than processors in 64% of smartphones and equal to processors in 0.7% of smartphones.
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    4 GB
    Samsung Galaxy M15 5G (4GB + 128GB) has a RAM capacity of 4 GB which is smaller than the RAM capacity of 82.7% of smartphones and equal to that of 14% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    128 GB
    Samsung Galaxy M15 5G (4GB + 128GB) has an internal storage capacity of 128 GB which is smaller than the storage of 61.2% of smartphones and equal to that of 28.4% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.2 GHz
    The CPU boost clock speed of Samsung Galaxy M15 5G (4GB + 128GB) is 2.2 GHz which is lower than the boost speed of 68.4% of smartphones and equal to that of 14.4% of smartphones.
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    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Samsung Galaxy M15 5G (4GB + 128GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 14
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 14
    Samsung Galaxy M15 5G (4GB + 128GB) runs Android version Android 14 which is newer than that found in 49.5% of smartphones and equal to that in 21% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    Samsung Galaxy M15 5G (4GB + 128GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) offers dark mode. 95.8% of smartphones support this feature.
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    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    50 MP & 5 MP & 2 MP
    Samsung Galaxy M15 5G (4GB + 128GB) has a main camera resolution of 50 MP & 5 MP & 2 MP MP which is lower than that of 53.8% of smartphones and equal to that of 1.3% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/1.8 & f/2.2 & f/2.4
    Samsung Galaxy M15 5G (4GB + 128GB) has a main camera aperture of f/1.8 & f/2.2 & f/2.4 which is wider than that of 53.2% of smartphones and equal to that of 10.7% of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    ?
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: MEDIUM

    Good value: ≥1.2 µm

    ?
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    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    Samsung Galaxy M15 5G (4GB + 128GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) supports 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
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    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    6.5 inches
    Samsung Galaxy M15 5G (4GB + 128GB) has a screen size of 6.5 inches which is smaller than the screens of 80% of smartphones and equal to those of 3.9% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    1080 x 2340 px
    Samsung Galaxy M15 5G (4GB + 128GB) has a screen resolution of 1080x2340 px which is lower than that of 68.4% of smartphones and equal to that of 6.1% of smartphones.
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    396 ppi
    Samsung Galaxy M15 5G (4GB + 128GB) has a pixel density of 396 ppi which is higher than that of 50.6% of smartphones and equal to that of 3.1% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    OLED/AMOLED
    Samsung Galaxy M15 5G (4GB + 128GB) uses a OLED/AMOLED display type. 58.6% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    90 Hz
    Samsung Galaxy M15 5G (4GB + 128GB) supports a refresh rate of 90 Hz which is lower than in 65.4% of smartphones and equal to that in 18.9% of smartphones.
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    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    6,000 mAh
    Samsung Galaxy M15 5G (4GB + 128GB) has a battery capacity of 6,000 mAh which is larger than the batteries in 73.2% of smartphones and equal to those in 6.9% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    25 W
    Samsung Galaxy M15 5G (4GB + 128GB) supports charging speeds of 25 W which is slower than in 66.9% of smartphones and equal to speeds in 5.3% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) supports fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: MEDIUM

    no
    Samsung Galaxy M15 5G (4GB + 128GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    no
    Samsung Galaxy M15 5G (4GB + 128GB) does not include stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    yes
    Samsung Galaxy M15 5G (4GB + 128GB) includes a 3.5 mm headphone jack. 45.3% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    ?
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    no
    Samsung Galaxy M15 5G (4GB + 128GB) does not include an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
    Show more
    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    160.1 mm
    Samsung Galaxy M15 5G (4GB + 128GB) has a height of 160.1 mm which is shorter than 79.5% of smartphones and equal to that of 0.2% of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    76.8 mm
    Samsung Galaxy M15 5G (4GB + 128GB) has a width of 76.8 mm which is wider than 68.8% of smartphones and equal to that of 1.8% of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    9.3 mm
    Samsung Galaxy M15 5G (4GB + 128GB) has a thickness of 9.3 mm which is thicker than 83.9% of smartphones and equal to that of 0.8% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    217 g
    Samsung Galaxy M15 5G (4GB + 128GB) weighs 217 g which is heavier than 79.2% of smartphones and equal to the weight of 0.7% of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    109,440 cm³
    Samsung Galaxy M15 5G (4GB + 128GB) has a device volume of 109,440 cm³ which is larger than 81.2% of smartphones and equal to that of 0.2% of smartphones.
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    Samsung Galaxy M15 5G (4GB + 128GB) vs the average smartphone

    • 20% larger battery capacity
      Samsung Galaxy M15 5G (4GB + 128GB) has a larger battery capacity than the average smartphone (6,000 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      Samsung Galaxy M15 5G (4GB + 128GB) has a larger battery capacity than the average smartphone (6,000 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.6,000 mAh vs 5,000 mAh
    • Has an always-on display
      Samsung Galaxy M15 5G (4GB + 128GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
      What it is: A feature that keeps a portion of the screen active to show time, date, and notifications while the device is asleep.
      When it matters: When you want to glance at the time or notifications without touching the phone.

      Importance: MEDIUM

      Samsung Galaxy M15 5G (4GB + 128GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • Higher on-device AI tier
      Samsung Galaxy M15 5G (4GB + 128GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.
      Circle to Search, Voice Focus, Vision Booster
      What it is: This level indicates how advanced the phone's on-device AI processing is, from basic assistance to more autonomous agentic tasks. A higher level usually enables faster, more private features such as live translation, writing help, and smarter photo edits without relying entirely on cloud processing.
      When it matters: When you travel or work in multiple languages and want instant translation, summarization, or writing help even with weak signal, this level determines how capable those on-device AI tools are.

      Importance: MEDIUM

      Samsung Galaxy M15 5G (4GB + 128GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.productivity vs fundamental
    • Allows app offloading
      Samsung Galaxy M15 5G (4GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
      What it is: The ability to remove unused apps from the device while preserving their data for later reinstallation.
      When it matters: When you are low on space but want to keep app data for the future.

      Importance: LOW

      Samsung Galaxy M15 5G (4GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • Has a 3.5 mm headphone jack
      Samsung Galaxy M15 5G (4GB + 128GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
      What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
      When it matters: When you prefer using traditional wired headphones without dongles or adapters.

      Importance: LOW

      Samsung Galaxy M15 5G (4GB + 128GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • Wider front camera aperture
      Samsung Galaxy M15 5G (4GB + 128GB) has a wider front camera aperture than the average smartphone (f/2.0 vs f/2.2). The average aperture is f/2.2.
      What it is: The f-stop value of the front camera lens, affecting light intake and background blur in selfies.
      When it matters: When you take selfies in low light and want them to appear brighter.

      Importance: MEDIUM

      Samsung Galaxy M15 5G (4GB + 128GB) has a wider front camera aperture than the average smartphone (f/2.0 vs f/2.2). The average aperture is f/2.2.f/2.0 vs f/2.2
    • 3.5 mm shorter
      Samsung Galaxy M15 5G (4GB + 128GB) is shorter than the average smartphone (160.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
      What it is: The vertical dimension of the device.
      When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

      Importance: LOW

      Good value: <162 mm

      Samsung Galaxy M15 5G (4GB + 128GB) is shorter than the average smartphone (160.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.160.1 mm vs 163.6 mm
    • 21.2% higher screen brightness
      Samsung Galaxy M15 5G (4GB + 128GB) has a higher screen brightness than the average smartphone (800 nits vs 660 nits). The average smartphone brightness is 660 nits.
      What it is: The highest sustained brightness level the screen can achieve to remain visible under direct sunlight.
      When it matters: When you need to read your screen clearly under direct sunlight.

      Importance: MEDIUM

      Good value: >800 nits

      Samsung Galaxy M15 5G (4GB + 128GB) has a higher screen brightness than the average smartphone (800 nits vs 660 nits). The average smartphone brightness is 660 nits.800 nits vs 660 nits
    • Higher on-device AI tier
      Samsung Galaxy M15 5G (4GB + 128GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.
    • Allows app offloading
      Samsung Galaxy M15 5G (4GB + 128GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • Wider front camera aperture
      Samsung Galaxy M15 5G (4GB + 128GB) has a wider front camera aperture than the average smartphone (f/2.0 vs f/2.2). The average aperture is f/2.2.
    • Newer Bluetooth version
      Samsung Galaxy M15 5G (4GB + 128GB) supports a newer Bluetooth version than the average smartphone (5.3 vs 5.2). The average version is Bluetooth 5.2.
    • Has an always-on display
      Samsung Galaxy M15 5G (4GB + 128GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 21.2% higher screen brightness
      Samsung Galaxy M15 5G (4GB + 128GB) has a higher screen brightness than the average smartphone (800 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 0.3% higher pixel density
      Samsung Galaxy M15 5G (4GB + 128GB) has a higher pixel density than the average smartphone (396 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 20% larger battery capacity
      Samsung Galaxy M15 5G (4GB + 128GB) has a larger battery capacity than the average smartphone (6,000 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
    • Has a 3.5 mm headphone jack
      Samsung Galaxy M15 5G (4GB + 128GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • 3.5 mm shorter
      Samsung Galaxy M15 5G (4GB + 128GB) is shorter than the average smartphone (160.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.

    Total
    Overall
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design
    • Worse processor
      Samsung Galaxy M15 5G (4GB + 128GB) uses a worse processor than the average smartphone (MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 7 Gen 3).
    • 50% less storage
      Samsung Galaxy M15 5G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
    • 4 GB less RAM
      Samsung Galaxy M15 5G (4GB + 128GB) has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 25.6% lower Geekbench 6 multi-core benchmark score
      Samsung Galaxy M15 5G (4GB + 128GB) performs worse in Geekbench 6 multi-core than the average smartphone (1,884 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
    • 26.9% lower Geekbench 6 single-core benchmark score
      Samsung Galaxy M15 5G (4GB + 128GB) performs worse in Geekbench 6 single-core than the average smartphone (689 vs 942). The average smartphone scores 942 in the Geekbench 6 single-core test.
    • 22.4% slower memory speed
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower memory speed than the average smartphone (2,133 MHz vs 2,750 MHz). The average smartphone has a memory speed of 2,750 MHz.
    • 50% less L3 cache
      Samsung Galaxy M15 5G (4GB + 128GB) has a smaller L3 cache than the average smartphone (2,048 KB vs 4,096 KB). The average smartphone has an L3 cache of 4,096 KB.
    • 14.3% lower maximum RAM capacity
      Samsung Galaxy M15 5G (4GB + 128GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
    • 8.3% lower CPU boost clock speed
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower CPU boost clock speed than the average smartphone (2.2 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • No live text recognition
      Samsung Galaxy M15 5G (4GB + 128GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • Worse main camera video quality
      Samsung Galaxy M15 5G (4GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • Narrower main camera aperture
      Samsung Galaxy M15 5G (4GB + 128GB) has a narrower main camera aperture than the average smartphone (f/1.8 & f/2.2 & f/2.4 vs f/1.8 & f/2.2 & f/2.4 & f/2.4). The average smartphone aperture is f/1.8 & f/2.2 & f/2.4 & f/2.4.
    • Lower front camera megapixels
      Samsung Galaxy M15 5G (4GB + 128GB) has lower front camera megapixels than the average smartphone (13 MP vs 16 MP). The average smartphone has a 16 MP front camera.
    • Lower-resolution main camera
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower-resolution main camera than the average smartphone (50 MP & 5 MP & 2 MP vs 50 MP & 8 MP). The average smartphone has a 50 MP & 8 MP main camera.
    • 25% lower refresh rate
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 0.17 inches smaller screen size
      Samsung Galaxy M15 5G (4GB + 128GB) has a smaller screen size than the average smartphone (6.5 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • Worse display glass type
      Samsung Galaxy M15 5G (4GB + 128GB) uses a worse display glass type than the average smartphone (Corning Gorilla Glass vs Corning Gorilla Glass 5). 0.00% of smartphones use the better glass type.
    • Lower screen resolution
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower screen resolution than the average smartphone (1080x2340 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
    • 200 nits lower peak brightness
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower peak brightness than the average smartphone (800 nits vs 1,000 nits). The average smartphone peak brightness is 1,000 nits.
    • 24.2% slower charging speed
      Samsung Galaxy M15 5G (4GB + 128GB) has a slower charging speed than the average smartphone (25 W vs 33 W). The average smartphone charges at 33 W.
    • No stereo speakers
      Samsung Galaxy M15 5G (4GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No aptX HD
      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX HD, the average smartphone does. 50.4% of smartphones support aptX HD.
    • No aptX support
      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 10.6% heavier
      Samsung Galaxy M15 5G (4GB + 128GB) is heavier than the average smartphone (217 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 1 mm thicker
      Samsung Galaxy M15 5G (4GB + 128GB) is thicker than the average smartphone (9.3 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 0.8 mm wider
      Samsung Galaxy M15 5G (4GB + 128GB) is wider than the average smartphone (76.8 mm vs 76 mm). The average smartphone has a width of 76 mm.
    • 11.9% larger volume
      Samsung Galaxy M15 5G (4GB + 128GB) has a larger volume than the average smartphone (109,440 cm³ vs 97,800 cm³). The average smartphone volume is 97,800 cm³.
    • No stereo speakers
      Samsung Galaxy M15 5G (4GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
      What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
      When it matters: When you watch videos or play games without headphones and want immersive sound.

      Importance: MEDIUM

      Samsung Galaxy M15 5G (4GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • Worse processor
      Samsung Galaxy M15 5G (4GB + 128GB) uses a worse processor than the average smartphone (MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 7 Gen 3).
      What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
      When it matters: When you want to know the specific engine powering your device's speed and features.

      Importance: HIGH

      Samsung Galaxy M15 5G (4GB + 128GB) uses a worse processor than the average smartphone (MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 7 Gen 3).MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 7 Gen 3
    • 50% less storage
      Samsung Galaxy M15 5G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
      What it is: The total built-in space available for apps, media, and files.
      When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

      Importance: HIGH

      Good value: >256 GB

      Samsung Galaxy M15 5G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.128 GB vs 256 GB
    • 25% lower refresh rate
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
      When it matters: When you want scrolling to feel fluid and games to look smoother.

      Importance: HIGH

      Good value: ≥120 Hz

      Samsung Galaxy M15 5G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.90 Hz vs 120 Hz
    • Worse main camera video quality
      Samsung Galaxy M15 5G (4GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
      What it is: The maximum resolution and frame rate at which the main rear camera can record video.
      When it matters: When you want to record memories or content in high definition or 4K.

      Importance: MEDIUM

      Samsung Galaxy M15 5G (4GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.1080x30 fps vs 2160x30 fps
    • 4 GB less RAM
      Samsung Galaxy M15 5G (4GB + 128GB) has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
      What it is: The amount of volatile memory available for running apps and multitasking.
      When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

      Importance: HIGH

      Good value: >12 GB

      Samsung Galaxy M15 5G (4GB + 128GB) has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.4 GB vs 8 GB
    • No aptX HD
      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX HD, the average smartphone does. 50.4% of smartphones support aptX HD.
      What it is: A Bluetooth codec capable of transmitting high-definition (24-bit) audio wirelessly.
      When it matters: When you want to stream high-definition music over Bluetooth.

      Importance: LOW

      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX HD, the average smartphone does. 50.4% of smartphones support aptX HD.
    • 0.17 inches smaller screen size
      Samsung Galaxy M15 5G (4GB + 128GB) has a smaller screen size than the average smartphone (6.5 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
      What it is: The physical diagonal measurement of the display area, usually expressed in inches.
      When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

      Importance: MEDIUM

      Good value: ≥6.6 inches

      Samsung Galaxy M15 5G (4GB + 128GB) has a smaller screen size than the average smartphone (6.5 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.6.5 inches vs 6.67 inches
    Total
    Performance & Hardware
    Software
    Camera
    Display
    Battery
    Audio
    Design

    Graphic comparison of Samsung Galaxy M15 5G (4GB + 128GB) and other smartphones

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    Third-party reviews

    United Kingdom
    amazon
    4.4
    115 Reviews
    amazon
    4.5
    90 Reviews
    amazon
    4.2
    33 Reviews

    (Reviews last updated: Mar 2026)

    What customers like about Samsung Galaxy M15 5G (4GB + 128GB)?

    • Massive 6000mAh battery that can last for up to two days with normal to heavy usage.
    • High-quality 6.5-inch Full HD+ Super AMOLED display with a 90Hz refresh rate, praised for rich colors and sharpness not typically found in its price range.
    • Good overall performance for everyday tasks, social media, and light gaming, powered by the MediaTek Dimensity 6100+ processor.
    • Excellent software support, with Samsung promising 4 generations of Android OS upgrades and 5 years of security updates.
    • Solid and sturdy build quality and sleek design, feeling more premium than its budget price suggests.
    • Expandable storage (up to 1 TB via microSD) and the presence of a 3.5mm headphone jack.
    • 5G connectivity makes the phone future-proof.
    • Good value for money at its price point, offering a strong set of features for budget-conscious users.

    What customers dislike about Samsung Galaxy M15 5G (4GB + 128GB)?

    • Camera performance dips in low light or indoor environments, with visible noise and a lack of clarity; adequate for social media but not professional photography.
    • Performance can feel less powerful compared to higher-end models, and it is not a gaming powerhouse for very demanding games.
    • Some users reported the phone can sometimes experience lag or hang frequently.
    • A charger may not be included in the box depending on the region, despite supporting 25W fast charging.
    • Some users noted the design feels a bit old-fashioned because of the waterdrop notch display, as punch-hole displays are more common.
    • The phone can feel a bit heavy due to the large battery.

    Expert reviews

    Q
    quechoisir.org
    28/03/2026
    Samsung Galaxy M15 5G Review - Smartphone - UFC-Que Choisir

    The Samsung Galaxy M15 5G, reviewed by UFC-Que Choisir, stands out as a budget-friendly, long-endurance smartphone powered by a 6,000 mAh battery and featuring a vibrant 6.5-inch Super AMOLED 90Hz display. Performance is driven by the MediaTek Dimensity 6100+ processor and 4GB of RAM, suitable for daily tasks, while a significant advantage is the promise of 4 generations of Android...Read more

    (Translated)Show original

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