Xiaomi 15 vs Samsung Galaxy S8

93 out 100
Xiaomi 15
VS
44 out 100
Samsung Galaxy S8

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy S8, Manufactured in April, 2017 with chipsetSamsung Exynos 9 Octa 8895. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi 15
  • Larger display: 6.36in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5400mAh vs 3000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Samsung Galaxy S8
  • Higher pixel density: 570ppi
  • Lighter design: 155g vs 191g

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB
4/64 GB

Review

Key Specs Xiaomi 15 and Samsung Galaxy S8
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:
vs

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.36 in 5.8 in
Resolution 1200x2670 pixels 1440x2960 pixels
Aspect ratio 20:9 18.5:9
Pixel density 460 ppi 570 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 1500 nits 540 nits
HDR support Yes Dolby Vision Yes HDR10
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 90.1 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming
Always-On Display
Display test
Peak brightness (auto)
Xiaomi 15
1508 nits
Samsung Galaxy S8
614 nits
sRGB gamut99.5 %99.8 %
PWM (Flicker)120 Hz250 Hz
Response time1 ms4.4 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 152.3 mm (6 in) 148.9 mm (5.86 in)
Width 71.2 mm (2.8 in) 68.1 mm (2.68 in)
Thickness 8.08 mm (0.32 in) 8 mm (0.31 in)
Weight 191 g (6.74 oz) 155 g (5.47 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green
- Purple
- Black
- Silver
- Gold
- Gray
- Blue
- Red
- Pink
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi 15
90.1 %
Samsung Galaxy S8
84.2 %

Performance

Testing Xiaomi 15 and Samsung Galaxy S8 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Samsung Exynos 9 Octa 8895
Max Frequency 4320 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 4/1.69 (Cortex-A53)
- 4/2.314 (Exynos M2)
Process TSMC Samsung
Transistor Size 3 nm 10 nm
Neural Processor Hexagon No
Graphics Adreno 830 Mali-G71 MP20
GPU Cores 1536 320
GPU Frequency 1100 MHz 546 MHz
FLOPS 3379.2 GFLOPS 375 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15
2934
Samsung Galaxy S8
519
Geekbench 6 (Multi-Core)
Xiaomi 15
8762
Samsung Galaxy S8
1563
Geekbench 6 (Single-Core)2934519
Geekbench 6 (Multi-Core)87621563
Geekbench Compute (GPU)24507n/a
AnTuTu 10
AnTuTu 10
Xiaomi 15
2620144
Samsung Galaxy S8
377103
CPU584725107990
GPU1142381116534
Memory51940684213
UX37363268366
NanoReview Score2620144377103
3DMark Wild Life
3DMark Wild Life
Xiaomi 15
20823
Samsung Galaxy S8
n/a
PCMark 3.0
PCMark 3.0
Xiaomi 15
18292
Samsung Galaxy S8
n/a
Writing score22508n/a
Web score18826n/a
Video editing8060n/a
Data manipulation14605n/a
NanoReview Score18292n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1794 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
64 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoMicroSD

Software

OS Android 15 Android 7.0 (Upgradeable to Android 9.0)
OS Size 21 GB 11.7 GB
UI Skin HyperOS 2.0 One UI

Battery

Volume 5400 mAh 3000 mAh
Max Charging Power 90 W 15 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging Yes (50 W) Yes Qi/PMA
Reverse Charging Yes (Wireless) No
Fast Charging Yes (83% in 30 min) Yes Samsung Adaptive Fast Charge (40% in 30 min)
Full Charge Time 0:45 h 1:45 h
Battery Life Test
Battery Life
Xiaomi 15
31:54
Samsung Galaxy S8
16:58
Web Browsing13:20 h06:26 h
Video Playback19:22 h10:09 h
Games07:10 h04:05 h
Standby Mode150 h85 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8192x6144 pixels 4000x3000 pixels
Zoom Optical, 2.6x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 240 fps (720p)
Wide-angle lens 115 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Standard: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
Pro mode
Main lens
Matrix50 MP12 MP
Aperturef/1.6f/1.7
Focal length23 mm26 mm
SensorOmniVision OVX9000 Light Fusion 900Sony IMX333
Sensor size1/1.311/2.55
Pixel size1.2 μm1.4 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/2.0n/a
Focal length60 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MPn/a
Aperturef/2.2n/a
Focal length14 mmn/a
SensorSamsung S5KJN1n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi 15
150
Samsung Galaxy S8
88
Video quality
Xiaomi 15
133
Samsung Galaxy S8
88
Overall camera score
Xiaomi 15
147
Samsung Galaxy S8
88
Bokeh75n/a
Preview87n/a
Zoom152n/a

Front camera

Matrix 32 MP 8 MP
Photo resolution 6528x4896 pixels 3264x2448 pixels
Aperture f/2.0 f/1.7
Focal length 22 mm 25 mm
Sensor Omnivision OV32B Samsung S5K3H7
Sensor size 1/3.14 1/3.6
Pixel size 0.7 μm 1.22 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1440p at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 15
n/a
Samsung Galaxy S8
86
Video quality
Xiaomi 15
n/a
Samsung Galaxy S8
107

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
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
Bluetooth version 5.4 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoYes
2G BandsGSM B2/B3/B5/B8GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)
LTE categoryn/a16
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15
91.3 dB
Samsung Galaxy S8
82.4 dB

Other

Class Flagship Flagship
Announced October, 2024 yr March, 2017 yr
Release Date October, 2024 yr April, 2017 yr
Launch Price ($) 757 720
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 90 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15 the clear winner in this comparison.

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