Asus ROG Phone 8 vs Samsung Galaxy S20 Ultra

Compared 2 smartphones : Asus ROG Phone 8 Manufactured in January, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Samsung Galaxy S20 Ultra, Manufactured in March, 2020 with chipsetSamsung Exynos 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Asus ROG Phone 8
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 5500mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
  • Includes charger
Reasons to choose Samsung Galaxy S20 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 511ppi
  • Lighter design: 220g vs 225g
  • Built-in eSIM

Versions

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

Review

Key Specs Asus ROG Phone 8 and Samsung Galaxy S20 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

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.78 in 6.9 in
Resolution 1080x2400 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 388 ppi 511 ppi
Refresh rate 165 Hz 120 Hz
Adaptive refresh rate Yes No
Max brightness 2500 nits 800 nits
HDR support Yes HDR10 Yes HDR10+
Screen-to-body ratio 88.2 % 90.6 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Asus ROG Phone 8
n/a
Samsung Galaxy S20 Ultra
886 nits
sRGB gamutn/a99.2 %
PWM (Flicker)n/a240 Hz
Response timen/a6.2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 166.9 mm (6.57 in)
Width 76.8 mm (3.02 in) 76 mm (2.99 in)
Thickness 8.9 mm (0.35 in) 8.8 mm (0.35 in)
Weight 225 g (7.94 oz) 220 g (7.76 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gray
- Black
- Gray
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Asus ROG Phone 8
88.2 %
Samsung Galaxy S20 Ultra
90.6 %

Performance

Testing Asus ROG Phone 8 and Samsung Galaxy S20 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Samsung Exynos 990
Max Frequency 3300 MHz 3020 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 2 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Yes
Graphics Adreno 750 Mali-G77 MP11
GPU Cores 1536 704
GPU Frequency 903-1000 MHz 800 MHz
FLOPS 2774 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Asus ROG Phone 8
2265
Samsung Galaxy S20 Ultra
1159
Geekbench 6 (Multi-Core)
Asus ROG Phone 8
7398
Samsung Galaxy S20 Ultra
3158
Geekbench 6 (Single-Core)22651159
Geekbench 6 (Multi-Core)73983158
AnTuTu 10
AnTuTu 10
Asus ROG Phone 8
2137672
Samsung Galaxy S20 Ultra
760316
CPU453834220525
GPU889510225011
Memory418137146451
UX376191168329
NanoReview Score2137672760316
3DMark Wild Life
3DMark Wild Life
Asus ROG Phone 8
18451
Samsung Galaxy S20 Ultra
4320
Max Surface Temp.n/a38.6 °C
Stability75 %53 %
Graphics Test110 fps25 fps
Graphics Score184514320
PCMark 3.0
PCMark 3.0
Asus ROG Phone 8
21662
Samsung Galaxy S20 Ultra
11163
Writing score2555413391
Web score231228714
Video editing90166104
Data manipulation192509006
NanoReview Score2166211163

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4200 MHz 3200 MHz
Channels 4 2
Storage
Storage Capacity256 GB- 128 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.0
Memory CardNoMicroSD

Software

OS Android 14 Android 10.0 (Upgradeable to Android 13)
OS Size n/a 23.7 GB
UI Skin ROG UI One UI 5.1

Battery

Volume 5500 mAh 5000 mAh
Max Charging Power 65 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (15 W) Yes (15 W)
Reverse Charging Yes Yes (Wireless)
Fast Charging Yes (50% in 20 min) Yes (100% in 80 min)
Full Charge Time 0:39 h 1:20 h
Battery Life Test
Battery Life
Asus ROG Phone 8
n/a
Samsung Galaxy S20 Ultra
18:01
Web Browsingn/a06:27 h
Video Playbackn/a11:23 h
Gamesn/a04:23 h
Standby Moden/a91 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12032x9204 pixels
Zoom Optical, 3x Optical, 4x
Flash LED LED
Stabilization Optical Optical
8K Recording Up to 24FPS Up to 24FPS
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 120 fps (2160p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 13 MP
Standard: 108 MP
Telephoto: 48 MP
Ultra-wide: 12 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.9f/1.8
Focal length238 mm26 mm
SensorSony IMX890Samsung Bright S5KHM1
Sensor size1/1.561/1.33
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix32 MP48 MP
Aperturef/2.4f/3.5
Focal length24 mm103 mm
Sensorn/aSony IMX586
Sensor size1/3.21/2
Pixel sizen/a0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix13 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Sensorn/aSamsung S5K2LA
Sensor size1/3.21/2.55
Pixel sizen/a1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 40 MP
Photo resolution n/a 7864x5200 pixels
Aperture f/2.5 f/2.2
Focal length 22 mm 26 mm
Sensor n/a Samsung S5KGH1
Sensor size 1/3.2 1/2.65
Pixel size n/a 0.7 μm
Autofocus n/a Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE, 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 DP 1.4 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoYes
2G BandsGSM 850 / 900 / 1800 / 1900MHzGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsWCDMA 850 / 900 / 1700 / 1800 / 1900 / 2100MHzHSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B25/B26/B28/B32/B34/B38/B39/B40/B41/B42/B43/B48/B66)LTE (B850/B900/B1700/B1900/B2100)
LTE category1822
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Asus ROG Phone 8
n/a
Samsung Galaxy S20 Ultra
84.4 dB

Other

Class Flagship Flagship
Announced January, 2024 yr February, 2020 yr
Release Date January, 2024 yr March, 2020 yr
Launch Price ($) 1099 1400
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 65 W n/a

Note

Asus ROG Phone 8:

Support for NTFS is available for external storage devices.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Asus ROG Phone 8 the clear winner in this comparison.

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