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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.

7.5

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%

7.4

Technical Score

10.0%

8.1

User score

Very good
7.4

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%

7.2

Performance & Hardware

18.0%

7.0

Camera

15.0%

6.8

Display

15.0%

7.8

Battery

10.0%

8.6

Software

10.0%

8.5

Connectivity

4.0%

5.9

Audio

3.0%

8.0

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

Excellent
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    Best prices

    Best rankings

    ?

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

    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%

    7.2

    Performance & Hardware

    18.0%

    7.0

    Camera

    15.0%

    6.8

    Display

    15.0%

    7.8

    Battery

    10.0%

    8.6

    Software

    10.0%

    8.5

    Connectivity

    4.0%

    5.9

    Audio

    3.0%

    8.0

    Design

    7.4
    Samsung Galaxy M15 5G (4GB + 128GB) has a technical score of 7.44 points, which is lower than 57.5% 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

    8.1
    Samsung Galaxy M15 5G (4GB + 128GB) has a user score of 8.1 points, which is higher than 67.6% 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 62.4% 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%

    7.5

    Overall score

    40.0%

    9.8

    Price

    8.4
    Samsung Galaxy M15 5G (4GB + 128GB) has a quality-to-price ratio of 8.4 points, which is higher than 74.7% 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+
    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 82.6% 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 61.1% 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
    Android 14
    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 49.1% of smartphones and equal to that in 21.2% 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
    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
    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 3.9% of smartphones and equal to the number in 96% 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 3.8% 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
    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

    6000 mAh
    Samsung Galaxy M15 5G (4GB + 128GB) has a battery capacity of 6000 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.
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    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. 45.4% 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.
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    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 68.7% 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

    109440 cm³
    Samsung Galaxy M15 5G (4GB + 128GB) has a device volume of 109440 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 (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 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 (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.6000 mAh vs 5000 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. 45.4% 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. 45.4% 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.
      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
    • 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.
      What it is: The generation of Bluetooth technology supported for wireless communication with peripherals like headphones and smartwatches.
      When it matters: When you want a stable, low-latency connection to your headphones or smartwatch.

      Importance: LOW

      Good value: >5.2

      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 5.2.5.3 vs 5.2
    • 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.
    • 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.
    • 20% larger battery capacity
      Samsung Galaxy M15 5G (4GB + 128GB) has a larger battery capacity than the average smartphone (6000 mAh vs 5000 mAh). The average smartphone battery is 5000 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. 45.4% 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
    Connectivity
    Display
    Battery
    Audio
    Design
    • 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 (2133 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    • 50% less L3 cache
      Samsung Galaxy M15 5G (4GB + 128GB) has a smaller L3 cache than the average smartphone (2048 KB vs 4096 KB). The average smartphone has an L3 cache of 4096 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.
    • 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.
    • 200 nits lower peak brightness
      Samsung Galaxy M15 5G (4GB + 128GB) has a lower peak brightness than the average smartphone (800 nits vs 1000 nits). The average smartphone peak brightness is 1000 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 (109440 cm³ vs 97800 cm³). The average smartphone volume is 97800 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.
    • 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
    • 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
    • No aptX support
      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
      What it is: A widely used Bluetooth codec that offers better audio quality and lower latency than the standard SBC codec.
      When it matters: When you want better sound quality than standard Bluetooth audio allows.

      Importance: LOW

      Samsung Galaxy M15 5G (4GB + 128GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 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.
      What it is: A feature that can identify and extract text from images, camera viewfinder, or documents in real-time for copying, translating, or other actions.
      When it matters: When you need to quickly copy text from a physical document or sign using your camera.

      Importance: MEDIUM

      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.
    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

    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
    ?
    28/03/2025
    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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