Xiaomi Poco X7 vs Xiaomi Black Shark 4

Compared 2 smartphones : Xiaomi Poco X7 Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 7300 Ultra, vs Xiaomi Black Shark 4, Manufactured in March, 2021 with chipsetQualcomm Snapdragon 870 5G. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X7
  • Higher pixel density: 446ppi
  • Lighter design: 185.5g vs 210g
  • Higher battery capacity: 5110mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Xiaomi Black Shark 4
  • Higher refresh rate: 144Hz

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/512 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/128 GB
- 12/256 GB

Review

Key Specs Xiaomi Poco X7 and Xiaomi Black Shark 4
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.67 in 6.67 in
Resolution 1220x2712 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 446 ppi 395 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes No
Max brightness 1200 nits 500 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 480 Hz 720 Hz
Screen-to-body ratio 88.9 % 85.8 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X7
1107 nits
Xiaomi Black Shark 4
688 nits
sRGB gamut100 %100 %
PWM (Flicker)120 Hz162 Hz
Response time1 ms8.5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.33 mm (6.39 in) 163.8 mm (6.45 in)
Width 74.42 mm (2.93 in) 76.4 mm (3.01 in)
Thickness 8.4 mm (0.33 in) 9.9 mm (0.39 in)
Weight 185.5 g (6.54 oz) 210 g (7.41 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Silver
- Green
- Black
- Silver
- Blue
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Xiaomi Poco X7
88.9 %
Xiaomi Black Shark 4
85.8 %

Performance

Testing Xiaomi Poco X7 and Xiaomi Black Shark 4 In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Ultra Qualcomm Snapdragon 870 5G
Max Frequency 2500 MHz 3200 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)
- 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
Process TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor MediaTek APU 655 Hexagon 698
Graphics Mali-G615 MP2 Adreno 650
GPU Cores 256 768
GPU Frequency 1047 MHz 670 MHz
FLOPS 536.1 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7
1031
Xiaomi Black Shark 4
1374
Geekbench 6 (Multi-Core)
Xiaomi Poco X7
2842
Xiaomi Black Shark 4
3731
Geekbench 6 (Single-Core)10311374
Geekbench 6 (Multi-Core)28423731
Geekbench Compute (GPU)2507n/a
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7
675069
Xiaomi Black Shark 4
785107
CPU203194218905
GPU143338213774
Memory159275148795
UX169262203633
NanoReview Score675069785107
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X7
n/a
Xiaomi Black Shark 4
4294
Max Surface Temp.n/a45.4 °C
Stabilityn/a99 %
Graphics Testn/a25 fps
Graphics Scoren/a4294
PCMark 3.0
PCMark 3.0
Xiaomi Poco X7
n/a
Xiaomi Black Shark 4
14766
Writing scoren/a18061
Web scoren/a13097
Video editingn/a7303
Data manipulationn/a10523
NanoReview Scoren/a14766

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 6 GB
- 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 2750 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardNoNo

Software

OS Android 14 Android 11
OS Size n/a 18 GB
UI Skin HyperOS 1.0 Joy UI 12.5

Battery

Volume 5110 mAh 4500 mAh
Max Charging Power 45 W 120 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (62% in 30 min) Yes (100% in 19 min)
Full Charge Time 1:05 h 0:19 h
Battery Life Test
Battery Life
Xiaomi Poco X7
19:25
Xiaomi Black Shark 4
18:09
Web Browsing06:50 h07:34 h
Video Playback10:59 h11:34 h
Games05:14 h05:04 h
Standby Mode104 h81 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (1080p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.5f/1.8
Focal length26 mmn/a
SensorSony IMX882Sony IMX582 Exmor RS
Sensor size1/1.961/2.0
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mmn/a
SensorSony IMX355Sony IMX355
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 20 MP
Photo resolution 5184x3888 pixels n/a
Aperture f/2.2 f/2.0
Focal length 25 mm 26 mm
Sensor Omnivision OV20B CMOS
Sensor size 1/4.0 n/a
Pixel size 0.7 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.2
Bluetooth features LE LE, HID, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM B2/3/5/8
3G BandsWCDMA B1/2/4/5/6/8/19WCDMA B1/2/4/5/6/8/9/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28)
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X7
91.4 dB
Xiaomi Black Shark 4
82 dB

Other

Class Mid-range Flagship
Announced January, 2025 yr March, 2021 yr
Release Date January, 2025 yr March, 2021 yr
Launch Price ($) 229 500
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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