Home Phone comparison Samsung Galaxy S8 and Xiaomi Poco F8 Ultra - Which is better?

Samsung Galaxy S8 vs Xiaomi Poco F8 Ultra

44 out 100
Samsung Galaxy S8
VS
93 out 100
Xiaomi Poco F8 Ultra
Samsung Galaxy S8
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Samsung Galaxy S8 Manufactured in April, 2017, with display 5.8 with chipsetSamsung Exynos 9 Octa 8895, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025 with 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 Samsung Galaxy S8
  • Higher pixel density: 570ppi
  • Lighter design: 155g vs 218g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6500mAh vs 3000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options 4/64 GB - 12/256 GB
- 16/512 GB

Review

Key Specs Samsung Galaxy S8 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:
Samsung Galaxy S8
vs
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 5.8 in 6.9 in
Resolution 1440x2960 pixels 1200x2608 pixels
Aspect ratio 18.5:9 19.5:9
Pixel density 570 ppi 416 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 540 nits 2000 nits
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 84.2 % 91.9 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S8
614 nits
Xiaomi Poco F8 Ultra
3501 nits
sRGB gamut99.8 %n/a
PWM (Flicker)250 Hzn/a
Response time4.4 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S8]

Design & Build

Design and ergonomics comparison
Height 148.9 mm (5.86 in) 163.3 mm (6.43 in)
Width 68.1 mm (2.68 in) 77.8 mm (3.06 in)
Thickness 8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 155 g (5.47 oz) 218 g (7.69 oz)
Water resistance IP68 IP68
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Gold
- Gray
- Blue
- Red
- Pink		 - White
- Black
- Blue
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S8
84.2 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Samsung Galaxy S8 and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 8895 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.69 (Cortex-A53)
- 4/2.314 (Exynos M2)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor No Hexagon
Graphics Mali-G71 MP20 Adreno 840
GPU Cores 320 1536
GPU Frequency 546 MHz 1200 MHz
FLOPS 375 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S8
519
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Samsung Galaxy S8
1563
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)5193553
Geekbench 6 (Multi-Core)156310883
Geekbench Compute (GPU)n/a27420
Sources: Geekbench v6 [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S8
377103
Xiaomi Poco F8 Ultra
3865467
CPU1079901163106
GPU1165341394796
Memory84213546277
UX68366761288
NanoReview Score3771033865467

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1794 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity64 GB256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 7.0 (Upgradeable to Android 9.0) Android 16
OS Size 11.7 GB n/a
UI Skin One UI HyperOS 3

Battery

Volume 3000 mAh 6500 mAh
Max Charging Power 15 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes Qi/PMA Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Samsung Adaptive Fast Charge (40% in 30 min) Yes (78% in 15 min)
Full Charge Time 1:45 h 0:39 h
Battery Life Test
Battery Life
Samsung Galaxy S8
16:58
Xiaomi Poco F8 Ultra
32:38
Web Browsing06:26 h15:14 h
Video Playback10:09 h22:44 h
Games04:05 h08:06 h
Standby Mode85 h124 h

Main camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels 8192x6144 pixels
Zoom Digital Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
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 n/a 102 °
Lenses count Standard: 12 MP Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Pro mode - Bokeh effect
- Pro mode
Main lens
Matrix12 MP50 MP
Aperturef/1.7f/1.7
Focal length26 mm23 mm
SensorSony IMX333Omnivision Light Hunter 950
Sensor size1/2.551/1.31 (0.76)
Pixel size1.4 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
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
Matrixn/a50 MP
Aperturen/af/2.4
Focal lengthn/a18 mm
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S8
88
Xiaomi Poco F8 Ultra
n/a
Video quality
Samsung Galaxy S8
88
Xiaomi Poco F8 Ultra
n/a
Overall camera score
Samsung Galaxy S8
88
Xiaomi Poco F8 Ultra
n/a
Sources: DxOMark [Samsung Galaxy S8]

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/1.7 f/2.2
Focal length 25 mm 21 mm
Sensor Samsung S5K3H7 CMOS
Sensor size 1/3.6 1/3.44 (0.29)
Pixel size 1.22 μm 0.64 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1440p at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S8
86
Xiaomi Poco F8 Ultra
n/a
Video quality
Samsung Galaxy S8
107
Xiaomi Poco F8 Ultra
n/a

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 6.0
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - 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 SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)n/a
LTE category16n/a
5G SupportNoYes

Sound

Speakers Mono 2.1
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S8
82.4 dB
Xiaomi Poco F8 Ultra
n/a

Other

Class Flagship Flagship
Announced March, 2017 yr November, 2025 yr
Release Date April, 2017 yr November, 2025 yr
Launch Price ($) 720 n/a
MSRP ($) 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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