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UMIDIGI G9x 4G (4GB + 128GB) Review | 197 Data compared

Avg. price: ~£80
RAM capacity: 4 GB
Internal storage: 128 GB
Screen size: 6.75 inches
Main camera megapixels: 13 MP & 0.3 MP

UMIDIGI G9x 4G (4GB + 128GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.4

Good

6.2

Good

8.3

Excellent

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Available versions:

4GB + 128GB4GB + 64GB £?8GB + 128GB £?8GB + 64GB £?

Verdict

The UMIDIGI G9x 4G is a budget smartphone primarily characterized by a large 6.75-inch HD+ display with a smooth 90Hz refresh rate, a high-capacity 5000mAh battery, and 128GB of internal storage paired with 4GB of physical RAM (expandable by another 4GB virtually). Powered by a UNISOC octa-core processor and running Android 14 Go Edition, its main pros include a sleek, lightweight design, ample storage for the price, and a decent screen for content consumption, with some users finding the camera performance in good light to be acceptable. Cons often mentioned in reviews are its slow 10W charging speed, performance lag during heavy multitasking or graphic-intensive games due to the entry-level processor, and poor camera quality in low-light conditions.

Technical Specifications of smartphone UMIDIGI G9x 4G (4GB + 128GB)

Overall score

6.4

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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.

Performance & Hardware

6.2

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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

UMIDIGI

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

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

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

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

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Software

8.0

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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 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

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

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

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

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Camera

6.0

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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

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

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

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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

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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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Connectivity

6.1

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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

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

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

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

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

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Display

5.2

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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

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

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

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

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

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Battery

6.2

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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

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

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

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

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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

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Audio

5.0

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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

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

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

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

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Design

7.1

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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

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

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

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

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

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UMIDIGI G9x 4G (4GB + 128GB) vs the average smartphone

Why is UMIDIGI G9x 4G (4GB + 128GB) better than the average smartphone?

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Has FM radio
UMIDIGI G9x4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
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
UMIDIGI G9x4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
0.08 inches larger screen size
UMIDIGI G9x4G (4GB + 128GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 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
UMIDIGI G9x4G (4GB + 128GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.6.75 inches vs 6.67 inches
Has a 3.5 mm headphone jack
UMIDIGI G9x4G (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
UMIDIGI G9x4G (4GB + 128GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
3.25x cheaper
UMIDIGI G9x4G (4GB + 128GB) is cheaper than the average smartphone (£80 vs £260).
UMIDIGI G9x4G (4GB + 128GB) is cheaper than the average smartphone (£80 vs £260).£80 vs £260
Supports fast boot
UMIDIGI G9x4G (4GB + 128GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
What it is: The time it takes for the smartphone to power on and become fully operational.
When it matters: When you restart your phone and want to get back to using it quickly.
Importance: LOW
UMIDIGI G9x4G (4GB + 128GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
Includes cross-site tracking protection
UMIDIGI G9x4G (4GB + 128GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
What it is: A privacy safeguard that prevents websites from tracking users across different domains and services.
When it matters: When you browse the web and want to prevent advertisers from following your digital footprint.
Importance: LOW
UMIDIGI G9x4G (4GB + 128GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
3.2% lighter
UMIDIGI G9x4G (4GB + 128GB) is lighter than the average smartphone (190 g vs 196.2 g). The average smartphone weighs 196.2 g.
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
UMIDIGI G9x4G (4GB + 128GB) is lighter than the average smartphone (190 g vs 196.2 g). The average smartphone weighs 196.2 g.190 g vs 196.2 g
99.4% more popular
UMIDIGI G9x4G (4GB + 128GB) is more popular than the average smartphone (10.00 vs 5,014).
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.
UMIDIGI G9x4G (4GB + 128GB) is more popular than the average smartphone (10.00 vs 5,014).10 vs 5.01
Supports fast boot
UMIDIGI G9x4G (4GB + 128GB) supports fast boot, the average smartphone does not. 22.4% of smartphones include fast boot capabilities.
Includes cross-site tracking protection
UMIDIGI G9x4G (4GB + 128GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
0.08 inches larger screen size
UMIDIGI G9x4G (4GB + 128GB) has a larger screen size than the average smartphone (6.8 inches vs 6.67 inches). The average smartphone screen is 6.67 inches.
Has FM radio
UMIDIGI G9x4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
Has a 3.5 mm headphone jack
UMIDIGI G9x4G (4GB + 128GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
3.2% lighter
UMIDIGI G9x4G (4GB + 128GB) is lighter than the average smartphone (190 g vs 196.2 g). The average smartphone weighs 196.2 g.
0.2 mm thinner
UMIDIGI G9x4G (4GB + 128GB) is thinner than the average smartphone (8.1 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.

Why is UMIDIGI G9x 4G (4GB + 128GB) worse than the average smartphone?

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Worse processor
UMIDIGI G9x4G (4GB + 128GB) uses a worse processor than the average smartphone (Unisoc SC9863A1 vs Qualcomm Snapdragon 7 Gen 3).
3.67x larger process node
UMIDIGI G9x4G (4GB + 128GB) is manufactured on a larger process node than the average smartphone (22 nm vs 6 nm). The average smartphone uses a 6 nm process.
50% less storage
UMIDIGI G9x4G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
67.9% lower Geekbench 6 multi-core benchmark score
UMIDIGI G9x4G (4GB + 128GB) performs worse in Geekbench 6 multi-core than the average smartphone (813 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
42.9% lower maximum RAM capacity
UMIDIGI G9x4G (4GB + 128GB) supports less maximum RAM than the average smartphone (8 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
78.8% lower Geekbench 6 single-core benchmark score
UMIDIGI G9x4G (4GB + 128GB) performs worse in Geekbench 6 single-core than the average smartphone (200 vs 942). The average smartphone scores 942 in the Geekbench 6 single-core test.
4 GB less RAM
UMIDIGI G9x4G (4GB + 128GB) has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
33.3% lower CPU boost clock speed
UMIDIGI G9x4G (4GB + 128GB) has a lower CPU boost clock speed than the average smartphone (1.6 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
87.5% fewer shader units
UMIDIGI G9x4G (4GB + 128GB) includes fewer shader units than the average smartphone (32 vs 256). The average smartphone has 256 shader units.
1 fewer memory channels
UMIDIGI G9x4G (4GB + 128GB) supports fewer memory channels than the average smartphone (1 vs 2). The average smartphone supports 2 channels.
No battery health monitoring
UMIDIGI G9x4G (4GB + 128GB) lacks battery health monitoring, the average smartphone includes it. 66.5% of smartphones provide battery health stats.
Lacks instant markup
UMIDIGI G9x4G (4GB + 128GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
No dynamic theme support
UMIDIGI G9x4G (4GB + 128GB) does not support dynamic themes, the average smartphone does. 82% of smartphones support dynamic theming.
Lower-resolution main camera
UMIDIGI G9x4G (4GB + 128GB) has a lower-resolution main camera than the average smartphone (13 MP & 0.3 MP vs 50 MP & 8 MP). The average smartphone has a 50 MP & 8 MP main camera.
Lower front camera megapixels
UMIDIGI G9x4G (4GB + 128GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP). The average smartphone has a 16 MP front camera.
Worse main camera video quality
UMIDIGI G9x4G (4GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
Lacks HDR mode
UMIDIGI G9x4G (4GB + 128GB) lacks an HDR mode, the average smartphone has one. 97.2% of smartphones support HDR photography.
camera supports it, but not the display for video playback/streaming
No manual focus mode
UMIDIGI G9x4G (4GB + 128GB) does not have a manual focus mode, the average smartphone does. 91.9% of smartphones offer manual focus.
No manual exposure control
UMIDIGI G9x4G (4GB + 128GB) does not offer manual exposure control, the average smartphone does. 94.1% of smartphones have manual exposure.
No manual white balance
UMIDIGI G9x4G (4GB + 128GB) does not allow manual white balance adjustments, the average smartphone does. 99% of smartphones include white balance controls.
No 5G connectivity
UMIDIGI G9x4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
No NFC
UMIDIGI G9x4G (4GB + 128GB) does not support NFC, the average smartphone does. 83.1% of smartphones feature NFC.
Older Bluetooth version
UMIDIGI G9x4G (4GB + 128GB) uses an older Bluetooth version than the average smartphone (4.2 vs 5.2). The average smartphone uses Bluetooth 5.2.
Inferior display type
UMIDIGI G9x4G (4GB + 128GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior display type.
34.2% lower pixel density
UMIDIGI G9x4G (4GB + 128GB) has a lower pixel density than the average smartphone (260 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
25% lower refresh rate
UMIDIGI G9x4G (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.
Lower screen resolution
UMIDIGI G9x4G (4GB + 128GB) has a lower screen resolution than the average smartphone (720x1600 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
31.8% lower screen brightness
UMIDIGI G9x4G (4GB + 128GB) has a lower screen brightness than the average smartphone (450 nits vs 660 nits). The average smartphone has a brightness of 660 nits.
550 nits lower peak brightness
UMIDIGI G9x4G (4GB + 128GB) has a lower peak brightness than the average smartphone (450 nits vs 1,000 nits). The average smartphone peak brightness is 1,000 nits.
69.7% slower charging speed
UMIDIGI G9x4G (4GB + 128GB) has a slower charging speed than the average smartphone (10 W vs 33 W). The average smartphone charges at 33 W.
No reverse wired charging
UMIDIGI G9x4G (4GB + 128GB) does not support reverse wired charging, the average smartphone does. 60.9% of smartphones support reverse wired charging.
No fast charging support
UMIDIGI G9x4G (4GB + 128GB) does not support fast charging, the average smartphone does. 93.1% of smartphones feature fast charging.
No stereo speakers
UMIDIGI G9x4G (4GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
No aptX support
UMIDIGI G9x4G (4GB + 128GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
1 fewer microphone/s
UMIDIGI G9x4G (4GB + 128GB) has fewer microphones than the average smartphone (1 vs 2). The average smartphone has 2 microphones.
1.5 m shallower water resistance
UMIDIGI G9x4G (4GB + 128GB) has a shallower water resistance depth than the average smartphone (0 m vs 1.5 m). The average smartphone is resistant to 1.5 m.
2 mm wider
UMIDIGI G9x4G (4GB + 128GB) is wider than the average smartphone (78 mm vs 76 mm). The average smartphone has a width of 76 mm.
4.7 mm taller
UMIDIGI G9x4G (4GB + 128GB) is taller than the average smartphone (168.3 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
7.2% larger volume
UMIDIGI G9x4G (4GB + 128GB) has a larger volume than the average smartphone (104,832 cm³ vs 97,800 cm³). The average smartphone volume is 97,800 cm³.
Worse processor
UMIDIGI G9x4G (4GB + 128GB) uses a worse processor than the average smartphone (Unisoc SC9863A1 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
UMIDIGI G9x4G (4GB + 128GB) uses a worse processor than the average smartphone (Unisoc SC9863A1 vs Qualcomm Snapdragon 7 Gen 3).Unisoc SC9863A1 vs Qualcomm Snapdragon 7 Gen 3
Inferior display type
UMIDIGI G9x4G (4GB + 128GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior 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
UMIDIGI G9x4G (4GB + 128GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED). 0.00% of smartphones use the superior display type.IPS LCD vs OLED/AMOLED
No 5G connectivity
UMIDIGI G9x4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
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
UMIDIGI G9x4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
No stereo speakers
UMIDIGI G9x4G (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
UMIDIGI G9x4G (4GB + 128GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
3.67x larger process node
UMIDIGI G9x4G (4GB + 128GB) is manufactured on a larger process node than the average smartphone (22 nm vs 6 nm). The average smartphone uses a 6 nm process.
What it is: The size of the manufacturing process used to create the chip's transistors, measured in nanometers (nm). Smaller nodes generally indicate more advanced, power-efficient chips.
When it matters: When you want a chipset that is more power-efficient and generates less heat.
Importance: HIGH
Good value: <6 nm
UMIDIGI G9x4G (4GB + 128GB) is manufactured on a larger process node than the average smartphone (22 nm vs 6 nm). The average smartphone uses a 6 nm process.22 nm vs 6 nm
34.2% lower pixel density
UMIDIGI G9x4G (4GB + 128GB) has a lower pixel density than the average smartphone (260 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
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
UMIDIGI G9x4G (4GB + 128GB) has a lower pixel density than the average smartphone (260 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.260 ppi vs 395 ppi
50% less storage
UMIDIGI G9x4G (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
UMIDIGI G9x4G (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
67.9% lower Geekbench 6 multi-core benchmark score
UMIDIGI G9x4G (4GB + 128GB) performs worse in Geekbench 6 multi-core than the average smartphone (813 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
What it is: A cross-platform benchmark by Primate Labs that evaluates multi-core CPU performance. It simulates real-world workloads to measure how efficiently a device handles multitasking and parallel processing.
When it matters: When you perform heavy multitasking or run pro-level apps like video editors.
Importance: MEDIUM
Good value: >4000
UMIDIGI G9x4G (4GB + 128GB) performs worse in Geekbench 6 multi-core than the average smartphone (813 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.813 vs 2,533

Performance & Hardware

Graphic comparison of UMIDIGI G9x 4G (4GB + 128GB) and other smartphones

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Third-party reviews

United Kingdom

(Reviews last updated: Mar 2026)

United Kingdom

(Reviews last updated: Mar 2026)

United Kingdom

(Reviews last updated: Mar 2026)

United Kingdom

(Reviews last updated: Mar 2026)

What customers like about UMIDIGI G9x 4G (4GB + 128GB)?

Extremely competitive price point, offering great value for a new smartphone.
Good for basic daily tasks like calls, social media, and video streaming without major issues.
Comes with a large 6.75-inch display with a 90Hz refresh rate.
Includes useful accessories in the box, such as a case, screen protector (pre-applied), charging cable, and power adapter.
Large 5000mAh battery capacity, providing power throughout the day for average use.
Features modern conveniences like a side fingerprint sensor, AI face unlock, a 3.5mm headphone jack, and FM radio support.
Offers ample storage (64GB/128GB) that is expandable via a microSD card.
Runs on Android 14 Go edition, which is optimized for faster app launches and efficient multitasking on entry-level hardware.
Sturdy build quality for its price range.
Does not overheat even during some light gaming.

What customers dislike about UMIDIGI G9x 4G (4GB + 128GB)?

Performance is limited by the entry-level UNISOC SC9863A1 processor and Android Go OS, leading to occasional lags or stutters.
Poor camera performance in low light conditions; pictures can be blurry or not good enough.
Slow 10W wired charging speed, which is a drawback compared to other Umidigi models.
Some users reported issues with the battery's longevity over time or finding it drains faster than expected.
Not suitable for performance-intensive gaming like *Genshin Impact*; experiences stuttering and freezes with such apps.
Call reception can be terrible, with reports of crackling sounds during calls or calls cutting off.
Some reports of the phone randomly stopping working after a few months.
The camera setup is misleading, appearing to have three rear cameras but actually only having one 13MP main camera and a 0.3MP auxiliary lens, with the third a fake bump for the flash.
Noticeable thick bezels and a prominent chin on the design.

Expert reviews

wonderfullytech.com

18/12/2025

Umidigi G9x Review - Cheap and capable -

The UMIDIGI G9X is an entry-level smartphone featuring a 6.75-inch 90Hz HD+ display, Unisoc T606 processor, 6GB of RAM (expandable), and 128GB of storage. It is designed for daily tasks like browsing and social media, offering a smooth user experience on Android 14. Key pros include a long-lasting 5000mAh battery with 18W charging, a capable 50MP main camera, a 3.5mm headphone jack,...Read more

chinamobilemag.de

09/09/2024

UmiDigi G9 5G Review (Note: Discusses the 4G variant's market position)

The Umidigi G9 5G emerges as a capable budget device priced around €110–€120, featuring the Unisoc T765 chipset which provides a fluid user experience with Antutu scores near 400,000. It boasts a 6.75-inch, 90Hz display, though it is limited to a 720p resolution. The design is lightweight and slim at 7.9mm, housing a substantial 5000mAh battery that offers 1.5 to 2 days of usage....Read more

smartzone.de

01/02/2026

UMIDIGI Phones: All Smartphone Reviews - ChinaHandys.net

UMIDIGI targets the budget market by offering high-end specifications, premium materials, and large batteries at low price points. Pros include an near-stock Android experience, robust durability in the Bison rugged series, and practical features like headphone jacks. Conversely, cons involve inconsistent build quality, underperforming cameras, and a lack of software updates....Read more

Video reviews

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