Scored using Smartphones Methodology v1.0
Smartphones Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Smartphones Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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Sonim XP400 (6GB + 128GB) Review | 197 Data compared

Avg. price:~£220RAM capacity:6 GBInternal storage:128 GBScreen size:6.5 inchesMain camera megapixels:50 MP & 5 MP

Sonim XP400 (6GB + 128GB) Review: Compare 197 technical specifications and user reviews to see how this product ranks in the Smartphones category and whether it is worth buying.

6.2/10

Overall score

Score
6.2/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components

90%

6.2

Technical score

10%

?

User score

â–¼Worse than 72% of smartphones
7.1

Value for money

Value for money
7.1/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components

70%

6.2

Overall score

30%

9.4

Price

â–¼Worse than 71%
6.2

Technical score

Technical score
6.2/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components

25%

6.1

Performance & Hardware

18%

6.2

Camera

15%

4.8

Display

15%

6.1

Battery

10%

7.4

Software

10%

7.8

Connectivity

4%

4.2

Audio

3%

7.4

Design

â–¼Worse than 67%
?

User score

User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

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Technical Specifications of smartphone Sonim XP400 (6GB + 128GB)

Technical score
Technical score
6.2/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components:

25%

6.1

Performance & Hardware

18%

6.2

Camera

15%

4.8

Display

15%

6.1

Battery

10%

7.4

Software

10%

7.8

Connectivity

4%

4.2

Audio

3%

7.4

Design

6.2
User score
User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
Popularity:
Sonim XP400 (6GB + 128GB) has a popularity of 1 point, which is lower than 63.9% of smartphones.
1.0
Value for money
Value for money
7.1/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
Score components:

70%

6.2

Overall score

30%

9.4

Price

7.1
Brand name
Sonim
Processor model
Qualcomm Snapdragon 4 Gen 2
This smartphone uses the Qualcomm Snapdragon 4 Gen 2 processor model which is slower than processors in 52.6% of smartphones and equal to processors in 1.1% of smartphones.
RAM capacity
6 GB
This smartphone has a RAM capacity of 6 GB which is smaller than the RAM capacity of 71.8% of smartphones and equal to that of 10.8% of smartphones.
Internal storage
128 GB
This smartphone 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
2.3 GHz
The CPU boost clock speed of this smartphone is 2.3 GHz which is lower than the boost speed of 63.7% of smartphones and equal to that of 4.4% of smartphones.
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Operating system
Android
This smartphone uses the Android operating system, which outperforms that of 1%.
Android 14
Android version
Android 14
This smartphone 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
no
This smartphone does not receive direct OS updates. 20.6% of smartphones receive direct updates.
Open-source OS
yes
This smartphone uses an open-source OS. 94.6% of smartphones use an open-source OS.
Dark mode
yes
This smartphone offers dark mode. 95.8% of smartphones support this feature.
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Multi-lens main camera
yes
This smartphone includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
Main camera megapixels
50 MP & 5 MP
This smartphone has a main camera resolution of 50 MP & 5 MP which is lower than that of 55.1% of smartphones and equal to that of 0.4% of smartphones.
Main camera aperture
?
Main camera sensor area
?
Main camera pixel size
?
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Number of SIM slots
2
This smartphone 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
yes
This smartphone includes a cellular module. 100% of smartphones include cellular modules.
5G connectivity
yes
This smartphone supports 5G connectivity. 66.9% of smartphones support 5G.
LTE support
yes
This smartphone supports LTE. 99.7% of smartphones include LTE connectivity.
Wi-Fi connectivity
yes
This smartphone supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
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Screen size
6.5 inches
This smartphone 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
720x 1612 px
This smartphone has a screen resolution of 720x1612 px which is lower than that of 78.9% of smartphones and equal to that of 5.3% of smartphones.
Pixel density
272 ppi
This smartphone has a pixel density of 272 ppi which is lower than that of 78.7% of smartphones.
Display type
IPS LCD
This smartphone uses a IPS LCD display type. 0% of smartphones use this display technology.
Refresh rate
60 Hz
This smartphone supports a refresh rate of 60 Hz which is lower than in 84.3% of smartphones and equal to that in 15.7% of smartphones.
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Battery capacity
5,000 mAh
This smartphone has a battery capacity of 5,000 mAh which is larger than the batteries in 28.3% of smartphones and equal to those in 28.8% of smartphones.
Charging speed
18 W
This smartphone supports charging speeds of 18 W which is slower than in 76% of smartphones and equal to speeds in 11.7% of smartphones.
Fast charging
no
This smartphone does not support fast charging. 93.1% of smartphones support fast charging.
GSMArena full wired charge time
?
Wireless charging
yes
This smartphone supports wireless charging. 25.2% of smartphones support wireless charging.
Show more
Stereo speakers
yes
This smartphone includes stereo speakers. 64.4% of smartphones provide stereo audio.
3.5 mm headphone jack
no
This smartphone does not include a 3.5 mm headphone jack. 45.5% of smartphones offer this port.
Number of microphones
2
This smartphone includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
FM radio
yes
This smartphone includes an FM radio. 34.2% of smartphones offer FM radio functionality.
aptX Lossless
no
This smartphone does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
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Height
170 mm
This smartphone has a height of 170 mm which is taller than 87.7% of smartphones and equal to that of 0.2% of smartphones.
Width
78 mm
This smartphone has a width of 78 mm which is wider than 84.2% of smartphones and equal to that of 0.9% of smartphones.
Thickness
10.2 mm
This smartphone has a thickness of 10.2 mm which is thicker than 89% of smartphones and equal to that of 0.2% of smartphones.
Weight
230 g
This smartphone weighs 230 g which is heavier than 86.2% of smartphones and equal to the weight of 0.7% of smartphones.
Device volume
132,600 cm³
This smartphone has a device volume of 132,600 cm³ which is larger than 89.5% of smartphones.
Show more

Sonim XP400 (6GB + 128GB) vs the average smartphone

246810TotalPerformance & HardwareSoftwareCameraConnectivityDisplayBatteryAudioDesign
  • Supports wireless charging
    This smartphone supports wireless charging, the average smartphone does not. 25.2% of smartphones are wireless charging compatible.
  • 33.3% smaller process node
    This smartphone uses a smaller process node than the average smartphone (4 nm vs 6 nm). The average process node size is 6 nm.
    4 nm vs 6 nm
  • Newer DDR memory version
    This smartphone supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.
    5 vs 4
  • Better display glass type
    This smartphone features a better display glass type than the average smartphone (Corning Gorilla Glass Victus 2 vs Corning Gorilla Glass 5). The average smartphone uses Corning Gorilla Glass 5 protection.
    Corning Gorilla Glass Victus 2 vs Corning Gorilla Glass 5
  • Newer USB version
    This smartphone supports a newer USB version than the average smartphone (3.1 vs 2). The average version is USB 2.
    3.1 vs 2
  • 1.5 m deeper water resistance
    This smartphone has a deeper water resistance rating than the average smartphone (1.5 m vs 0 m). The average depth rating is 0 m.
    1.5 m vs 0 m
  • Has a barometer
    This smartphone features a barometer, the average smartphone does not. 19.9% of smartphones include a barometer.
  • Has a rugged design
    This smartphone features a rugged design, the average smartphone does not. 7.5% of smartphones are built for durability.
  • 33.3% smaller process node
    This smartphone uses a smaller process node than the average smartphone (4 nm vs 6 nm). The average process node size is 6 nm.
    4 nm vs 6 nm
  • Newer DDR memory version
    This smartphone supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.
    5 vs 4
  • 14.3% higher maximum RAM
    This smartphone supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    16 GB vs 14 GB
  • 2x more L1
    This smartphone has more L1 cache than the average smartphone (64 KB vs 32 KB). The average L1 cache is 32 KB.
    64 KB vs 32 KB
  • 0.5% faster GPU clock
    This smartphone has a higher GPU frequency than the average smartphone (955 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    955 MHz vs 950 MHz
  • 16.4% faster memory speed
    This smartphone supports faster memory speed than the average smartphone (3,200 MHz vs 2,750 MHz). The average smartphone supports 2,750 MHz memory speed.
    3,200 MHz vs 2,750 MHz
  • Higher CPU base clock speed
    This smartphone has a higher CPU base clock speed than the average smartphone (2x2.3 GHz & 6x2 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
    2x2.3 GHz & 6x2 GHz vs 2x2.2 GHz & 6x2 GHz
  • Wider front camera aperture
    This smartphone has a wider front camera aperture than the average smartphone (f/2 vs f/2.2). The average aperture is f/2.2.
    f/2.0 vs f/2.2
  • Newer USB version
    This smartphone supports a newer USB version than the average smartphone (3.1 vs 2). The average version is USB 2.
    3.1 vs 2
  • Has a barometer
    This smartphone features a barometer, the average smartphone does not. 19.9% of smartphones include a barometer.
  • 1 more external displays supported
    This smartphone supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.
    2 vs 1
  • Better display glass type
    This smartphone features a better display glass type than the average smartphone (Corning Gorilla Glass Victus 2 vs Corning Gorilla Glass 5). The average smartphone uses Corning Gorilla Glass 5 protection.
    Corning Gorilla Glass Victus 2 vs Corning Gorilla Glass 5
  • Supports wireless charging
    This smartphone supports wireless charging, the average smartphone does not. 25.2% of smartphones are wireless charging compatible.
  • Has FM radio
    This smartphone features an FM radio, the average smartphone does not. 34.2% of smartphones include an FM tuner.
  • 1.5 m deeper water resistance
    This smartphone has a deeper water resistance rating than the average smartphone (1.5 m vs 0 m). The average depth rating is 0 m.
    1.5 m vs 0 m
  • Has a rugged design
    This smartphone features a rugged design, the average smartphone does not. 7.5% of smartphones are built for durability.
  • 1 year/s newer release date
    This smartphone has a newer release date than the average smartphone (2025 vs 2024). 1.00% of smartphones are released annually.
    November 2025
    2025 vs 2024
  • Better IP rating
    This smartphone has a better IP rating than the average smartphone (IP68 vs IP67). The average IP rating is IP67.
    IP68 vs IP67
  • Inferior display type
    This smartphone 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
  • 50% lower refresh rate
    This smartphone has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    60 Hz vs 120 Hz
  • Worse main camera video quality
    This smartphone records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    1080x30 fps vs 2160x30 fps
  • 50% less storage
    This smartphone 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
  • Worse processor
    This smartphone uses a worse processor than the average smartphone (Qualcomm Snapdragon 4 Gen 2 vs Qualcomm Snapdragon 7 Gen 3).
    Qualcomm Snapdragon 4 Gen 2 vs Qualcomm Snapdragon 7 Gen 3
  • 33.3% higher TDP (less efficient)
    This smartphone has a higher TDP than the average smartphone (4 W vs 6 W). The average smartphone has a TDP of 6 W.
    4 W vs 6 W
  • 31.1% lower pixel density
    This smartphone has a lower pixel density than the average smartphone (272 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    272 ppi vs 395 ppi
  • No LDAC support
    This smartphone does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
  • 5.44x less popular
    Sonim XP400 (6GB + 128GB) is less popular than the average smartphone (1 vs 5.4).
    1 vs 5.44
  • 2.8% worse value for money
    Sonim XP400 (6GB + 128GB) has worse value for money than the average smartphone (7.13 vs 7.3).
    7.13 vs 7.34
  • 50% less storage
    This smartphone 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
  • Worse processor
    This smartphone uses a worse processor than the average smartphone (Qualcomm Snapdragon 4 Gen 2 vs Qualcomm Snapdragon 7 Gen 3).
    Qualcomm Snapdragon 4 Gen 2 vs Qualcomm Snapdragon 7 Gen 3
  • 33.3% higher TDP (less efficient)
    This smartphone has a higher TDP than the average smartphone (4 W vs 6 W). The average smartphone has a TDP of 6 W.
    4 W vs 6 W
  • 2 GB less RAM
    This smartphone has less RAM than the average smartphone (6 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    6 GB vs 8 GB
  • 50% less L3 cache
    This smartphone has a smaller L3 cache than the average smartphone (2048 KB vs 4,096 KB). The average smartphone has an L3 cache of 4,096 KB.
    2,048 KB vs 4,096 KB
  • 33.6% lower memory bandwidth
    This smartphone has lower memory bandwidth than the average smartphone (17 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
    17 GB/s vs 25.6 GB/s
  • 50% fewer shader units
    This smartphone includes fewer shader units than the average smartphone (128 vs 256). The average smartphone has 256 shader units.
    128 vs 256
  • 4.2% lower CPU boost clock speed
    This smartphone has a lower CPU boost clock speed than the average smartphone (2.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    2.3 GHz vs 2.4 GHz
  • Lacks focus mode
    This smartphone does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
  • No Wi-Fi password sharing
    This smartphone does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
  • Does not allow app offloading
    This smartphone does not support app offloading, the average smartphone does. 51.9% of smartphones support app offloading to save space.
  • Lacks instant markup
    This smartphone does not support instant markup, the average smartphone does. 52.2% of smartphones include instant markup tools.
  • Worse main camera video quality
    This smartphone records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    1080x30 fps vs 2160x30 fps
  • Lower front camera megapixels
    This smartphone has lower front camera megapixels than the average smartphone (8 MP vs 16 MP). The average smartphone has a 16 MP front camera.
    8 MP vs 16 MP
  • Lower-resolution main camera
    This smartphone has a lower-resolution main camera than the average smartphone (50 MP & 5 MP vs 50 MP & 8 MP). The average smartphone has a 50 MP & 8 MP main camera.
    50 MP & 5 MP vs 50 MP & 8 MP
  • Older Bluetooth version
    This smartphone uses an older Bluetooth version than the average smartphone (5.1 vs 5.2). The average smartphone uses Bluetooth 5.2.
    5.1 vs 5.2
  • Inferior display type
    This smartphone 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
  • 50% lower refresh rate
    This smartphone has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    60 Hz vs 120 Hz
  • 31.1% lower pixel density
    This smartphone has a lower pixel density than the average smartphone (272 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    272 ppi vs 395 ppi
  • 0.17 inches inch smaller screen size
    This smartphone 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
  • Lower screen resolution
    This smartphone has a lower screen resolution than the average smartphone (720x1612 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
    720x1612 px vs 1080x2400 px
  • 75% slower wireless charging speed
    This smartphone has a slower wireless charging speed than the average smartphone (5 W vs 20 W). The average smartphone wireless charging speed is 20 W.
    5 W vs 20 W
  • 45.5% slower charging speed
    This smartphone has a slower charging speed than the average smartphone (18 W vs 33 W). The average smartphone charges at 33 W.
    18 W vs 33 W
  • No fast charging support
    This smartphone does not support fast charging, the average smartphone does. 93.1% of smartphones feature fast charging.
  • No LDAC support
    This smartphone does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
  • No aptX HD
    This smartphone does not support aptX HD, the average smartphone does. 50.7% of smartphones support aptX HD.
  • 17.2% heavier
    This smartphone is heavier than the average smartphone (230 g vs 196.2 g). The average smartphone weighs 196.2 g.
    230 g vs 196.2 g
  • 1.9 mm thicker
    This smartphone is thicker than the average smartphone (10.2 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    10.2 mm vs 8.3 mm
  • 6.4 mm taller
    This smartphone is taller than the average smartphone (170 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    170 mm vs 163.6 mm
  • 2 mm wider
    This smartphone is wider than the average smartphone (78 mm vs 76 mm). The average smartphone has a width of 76 mm.
    78 mm vs 76 mm
  • Poor brand origin
    This smartphone has a poorer brand origin compared to the average smartphone. 0.00% of smartphones come from top-tier brand origins.
    United States vs China
  • 35.6% larger volume
    This smartphone has a larger volume than the average smartphone (132,600 cm³ vs 97,800 cm³). The average smartphone volume is 97,800 cm³.
    132,600 cm³ vs 97,800 cm³

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Not graded
Not graded

Third-party reviews

What customers like about Sonim XP400 (6GB + 128GB)

  • Extreme durability with MIL-STD-810H and IP68/IPX9K ratings for drop, water, and dust resistance
  • Excellent battery life supported by a 5000mAh capacity
  • Dual loud speakers and noise-canceling microphones provide clear communication in noisy environments
  • Dedicated programmable buttons for Push-to-Talk (PTT) and emergency SOS functions
  • Responsive 6.5-inch touchscreen that works with gloves and in wet conditions
  • Comprehensive 3-year warranty and strong professional-grade build quality

What customers don't like about Sonim XP400 (6GB + 128GB)

  • Large size and weight (230g) may be bulky for non-industrial users
  • Performance can feel slow or sluggish during heavy app usage according to some users
  • Side buttons are noted by some users to be small or easily affected by certain RAM mounts
  • The 720p display resolution is lower than standard modern smartphones
  • Camera quality is average and primarily intended for documentation rather than photography
  • No 3.5mm headphone jack

Verdict

The Sonim XP400 (6GB + 128GB) is an ultra-rugged 5G smartphone running Android 14, engineered with MIL-STD-810H and IP68/IPX9K ratings to withstand drops from up to 1.8 meters, water immersion, dust, and extreme temperatures. Key specifications include a Qualcomm Snapdragon 4 Gen 2 processor, a 6.5-inch Corning Gorilla Glass Victus 2 display, and a powerful 5000mAh battery. The main pros are its exceptional durability for harsh environments, fast 5G connectivity, a sharp 50MP main camera, and expandable storage up to 2TB, along with useful features like NFC and programmable buttons. Potential cons include a display that can be difficult to view in direct sunlight and a lack of a headphone jack.

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