Home Phone comparison Xiaomi Black Shark 4 and Xiaomi Poco F8 Ultra - Which is better?

Xiaomi Black Shark 4 vs Xiaomi Poco F8 Ultra

58 out 100
Xiaomi Black Shark 4
VS
93 out 100
Xiaomi Poco F8 Ultra
Xiaomi Black Shark 4
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Xiaomi Black Shark 4 Manufactured in March, 2021, with display 6.67 with chipsetQualcomm Snapdragon 870 5G, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Black Shark 4
  • Higher refresh rate: 144Hz
  • Lighter design: 210g vs 218g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 416ppi
  • Higher battery capacity: 6500mAh vs 4500mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/128 GB
- 12/256 GB		 - 12/256 GB
- 16/512 GB

Review

Key Specs Xiaomi Black Shark 4 and Xiaomi Poco F8 Ultra
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Black Shark 4
vs
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.67 in 6.9 in
Resolution 1080x2400 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 395 ppi 416 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 500 nits 2000 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 720 Hz 480 Hz
Screen-to-body ratio 85.8 % 91.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Black Shark 4
688 nits
Xiaomi Poco F8 Ultra
3501 nits
sRGB gamut100 %n/a
PWM (Flicker)162 Hzn/a
Response time8.5 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Black Shark 4]

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 163.3 mm (6.43 in)
Width 76.4 mm (3.01 in) 77.8 mm (3.06 in)
Thickness 9.9 mm (0.39 in) 7.9 mm (0.31 in)
Weight 210 g (7.41 oz) 218 g (7.69 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Blue		 - White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Black Shark 4
85.8 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Xiaomi Black Shark 4 and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 870 5G Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3200 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 7 nm 3 nm
Neural Processor Hexagon 698 Hexagon
Graphics Adreno 650 Adreno 840
GPU Cores 768 1536
GPU Frequency 670 MHz 1200 MHz
FLOPS 1029.1 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Black Shark 4
1374
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Xiaomi Black Shark 4
3731
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)13743553
Geekbench 6 (Multi-Core)373110883
Geekbench Compute (GPU)n/a27420
Sources: Geekbench v6 [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Black Shark 4
785107
Xiaomi Poco F8 Ultra
3865467
CPU2189051163106
GPU2137741394796
Memory148795546277
UX203633761288
NanoReview Score7851073865467
3DMark Wild Life
3DMark Wild Life
Xiaomi Black Shark 4
4294
Xiaomi Poco F8 Ultra
n/a
Max Surface Temp.45.4 °Cn/a
Stability99 %n/a
Graphics Test25 fpsn/a
Graphics Score4294n/a
Sources: 3DMark [Xiaomi Black Shark 4]
PCMark 3.0
PCMark 3.0
Xiaomi Black Shark 4
14766
Xiaomi Poco F8 Ultra
n/a
Writing score18061n/a
Web score13097n/a
Video editing7303n/a
Data manipulation10523n/a
NanoReview Score14766n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 2750 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 11 Android 16
OS Size 18 GB n/a
UI Skin Joy UI 12.5 HyperOS 3

Battery

Volume 4500 mAh 6500 mAh
Max Charging Power 120 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (100% in 19 min) Yes (78% in 15 min)
Full Charge Time 0:19 h 0:39 h
Battery Life Test
Battery Life
Xiaomi Black Shark 4
18:09
Xiaomi Poco F8 Ultra
32:38
Web Browsing07:34 h15:14 h
Video Playback11:34 h22:44 h
Games05:04 h08:06 h
Standby Mode81 h124 h

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Optical, 5x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 960 fps (1080p)
Wide-angle lens 120 ° 102 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.7
Focal lengthn/a23 mm
SensorSony IMX582 Exmor RSOmnivision Light Hunter 950
Sensor size1/2.01/1.31 (0.76)
Pixel size0.8 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Focal lengthn/a115 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.4
Focal lengthn/a18 mm
SensorSony IMX355n/a
Sensor size1/4.01/2.88 (0.35)
Pixel size1.12 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Aperture f/2.0 f/2.2
Focal length 26 mm 21 mm
Sensor CMOS CMOS
Sensor size n/a 1/3.44 (0.29)
Pixel size 0.8 μm 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) 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 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 6.0
Bluetooth features LE, HID, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8n/a
3G BandsWCDMA B1/2/4/5/6/8/9/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28)n/a
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo 2.1
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi Black Shark 4
82 dB
Xiaomi Poco F8 Ultra
n/a

Other

Class Flagship Flagship
Announced March, 2021 yr November, 2025 yr
Release Date March, 2021 yr November, 2025 yr
Launch Price ($) 500 n/a
MSRP ($) n/a 729
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco F8 Ultra the clear winner in this comparison.

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