Xiaomi Redmi 12 vs Samsung Galaxy S20 Ultra

Compared 2 smartphones : Xiaomi Redmi 12 Manufactured in June, 2023, with display 6.79 with chipsetMediaTek Helio G88, 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 Xiaomi Redmi 12
  • Lighter design: 198.5g vs 220g
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
Reasons to choose Samsung Galaxy S20 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 511ppi
  • Higher refresh rate: 120Hz
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 2/128 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/128 GB
- 12/256 GB
- 16/512 GB

Review

Key Specs Xiaomi Redmi 12 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 IPS LCD Dynamic AMOLED
Size 6.79 in 6.9 in
Resolution 1080x2460 pixels 1440x3200 pixels
Aspect ratio 19.5:9 20:9
Pixel density 396 ppi 511 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No No
Max brightness 550 nits 800 nits
HDR support No Yes HDR10+
Screen-to-body ratio 88 % 90.6 %
Features n/a - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi 12
539 nits
Samsung Galaxy S20 Ultra
886 nits
sRGB gamut96.3 %99.2 %
PWM (Flicker)n/a240 Hz
Response time26 ms6.2 ms
Contrast898:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 168.6 mm (6.64 in) 166.9 mm (6.57 in)
Width 76.28 mm (3 in) 76 mm (2.99 in)
Thickness 8.17 mm (0.32 in) 8.8 mm (0.35 in)
Weight 198.5 g (7 oz) 220 g (7.76 oz)
Water resistance IP53 IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Silver
- Blue
- Black
- Gray
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Redmi 12
88 %
Samsung Galaxy S20 Ultra
90.6 %

Performance

Testing Xiaomi Redmi 12 and Samsung Galaxy S20 Ultra In benchmarks
Processor
Chipset MediaTek Helio G88 Samsung Exynos 990
Max Frequency 2000 MHz 3020 MHz
CPU Cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 12 nm 7 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G52 MP2 Mali-G77 MP11
GPU Cores 48 704
GPU Frequency 1000 MHz 800 MHz
FLOPS 96 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 12
434
Samsung Galaxy S20 Ultra
1159
Geekbench 6 (Multi-Core)
Xiaomi Redmi 12
1223
Samsung Galaxy S20 Ultra
3158
Geekbench 6 (Single-Core)4341159
Geekbench 6 (Multi-Core)12233158
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 12
266658
Samsung Galaxy S20 Ultra
760316
CPU84508220525
GPU39522225011
Memory69688146451
UX72940168329
NanoReview Score266658760316
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 12
743
Samsung Galaxy S20 Ultra
4320
Max Surface Temp.n/a38.6 °C
Stabilityn/a53 %
Graphics Testn/a25 fps
Graphics Scoren/a4320
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 12
9150
Samsung Galaxy S20 Ultra
11163
Writing score864613391
Web score86158714
Video editing68496104
Data manipulation63919006
NanoReview Score915011163

Memory

RAM
RAM Size - 4 GB
- 8 GB
- 12 GB
- 16 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 1800 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 128 GB
- 512 GB
Storage TypeeMMC 5.1UFS 3.0
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 10.0 (Upgradeable to Android 13)
OS Size 18 GB 23.7 GB
UI Skin HyperOS 2.0 One UI 5.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (29% in 30 min) Yes (100% in 80 min)
Full Charge Time 2:07 h 1:20 h
Battery Life Test
Battery Life
Xiaomi Redmi 12
22:09
Samsung Galaxy S20 Ultra
18:01
Web Browsing07:58 h06:27 h
Video Playback12:45 h11:23 h
Games04:59 h04:23 h
Standby Mode118 h91 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8150x6150 pixels 12032x9204 pixels
Zoom Digital Optical, 4x
Flash LED LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Depth: 2 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/1.8f/1.8
Focal lengthn/a26 mm
SensorSamsung S5KJN1Samsung Bright S5KHM1
Sensor size1/2.761/1.33
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a48 MP
Aperturen/af/3.5
Focal lengthn/a103 mm
Sensorn/aSony IMX586
Sensor sizen/a1/2
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX355Samsung S5K2LA
Sensor size1/2.81/2.55
Pixel size1.14 μm1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 8 MP 40 MP
Photo resolution 3264x2448 pixels 7864x5200 pixels
Aperture f/2.1 f/2.2
Focal length n/a 26 mm
Sensor n/a Samsung S5KGH1
Sensor size n/a 1/2.65
Pixel size n/a 0.7 μm
Autofocus No 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 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesYes
2G BandsGSM 2/3/5/8GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsWCDMA 1/5/8HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B850/B900/B1700/B1900/B2100)
LTE category722
5G SupportNoYes

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 12
79.4 dB
Samsung Galaxy S20 Ultra
84.4 dB

Other

Class Budget Flagship
Announced June, 2023 yr February, 2020 yr
Release Date June, 2023 yr March, 2020 yr
Launch Price ($) 159 1400
Sensors - Accelerometer
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S20 Ultra the clear winner in this comparison.

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