Realme 12 Pro Plus 5G vs Samsung Galaxy S21 Ultra

Compared 2 smartphones : Realme 12 Pro Plus 5G Manufactured in January, 2024, with display 6.7 with chipsetQualcomm Snapdragon 7s Gen 2, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Realme 12 Pro Plus 5G
  • Lighter design: 196g vs 227g
  • Includes charger
Reasons to choose Samsung Galaxy S21 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 515ppi
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM

Versions

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

Review

Key Specs Realme 12 Pro Plus 5G and Samsung Galaxy S21 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.
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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 6.7 in 6.8 in
Resolution 1080x2412 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 394 ppi 515 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (10-120 Hz)
Max brightness 950 nits 1500 nits
HDR support n/a Yes HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 90.6 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Realme 12 Pro Plus 5G
796 nits
Samsung Galaxy S21 Ultra
1019 nits

Design & Build

Design and ergonomics comparison
Height 161.47 mm (6.36 in) 165.1 mm (6.5 in)
Width 74.02 mm (2.91 in) 75.6 mm (2.98 in)
Thickness 8.75 mm (0.34 in) 8.9 mm (0.35 in)
Weight 196 g (6.91 oz) 227 g (8.01 oz)
Water resistance IP65 IP68
Cooling system Vapor chamber n/a
Back panel n/a Glass
Frame n/a Metal
Colors - Blue
- Red
- Yellow
- Black
- Silver
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Realme 12 Pro Plus 5G
90.6 %
Samsung Galaxy S21 Ultra
89.5 %

Performance

Testing Realme 12 Pro Plus 5G and Samsung Galaxy S21 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 2 Samsung Exynos 2100
Max Frequency 2400 MHz 2900 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.95 (Cortex-A55)
- 4/2.4 (Cortex-A78)
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process Samsung Samsung
Transistor Size 4 nm 5 nm
Neural Processor Yes Yes
Graphics Adreno 710 Mali-G78 MP14
GPU Cores 256 896
GPU Frequency 940 MHz 854 MHz
FLOPS 481.3 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 12 Pro Plus 5G
1017
Samsung Galaxy S21 Ultra
1449
Geekbench 6 (Multi-Core)
Realme 12 Pro Plus 5G
2893
Samsung Galaxy S21 Ultra
3892
Geekbench 6 (Single-Core)10171449
Geekbench 6 (Multi-Core)28933892
AnTuTu 10
AnTuTu 10
Realme 12 Pro Plus 5G
657798
Samsung Galaxy S21 Ultra
843008
CPU214998232358
GPU120430256356
Memory165223163007
UX157147191217
NanoReview Score657798843008
3DMark Wild Life
3DMark Wild Life
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
5221
Max Surface Temp.n/a40.8 °C
Stabilityn/a69 %
Graphics Testn/a31 fps
Graphics Scoren/a5221

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 12 GB
- 16 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 2750 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 128 GB
- 256 GB
- 512 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 14 Android 11 (Upgradeable to Android 14)
OS Size n/a 26.4 GB
UI Skin Realme UI 5.0 One UI 6

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 67 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (81% in 30 min) Yes (54% in 30 min)
Full Charge Time 0:43 h 1:11 h
Battery Life Test
Battery Life
Realme 12 Pro Plus 5G
25:33
Samsung Galaxy S21 Ultra
22:05
Web Browsing10:56 h07:58 h
Video Playback15:00 h13:59 h
Games05:28 h05:14 h
Standby Mode121 h111 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12000x9000 pixels
Zoom Optical, 3x Optical, 10x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
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 (720p)
Wide-angle lens 112 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 64 MP
Ultra-wide: 8 MP
Standard: 108 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSony IMX890Samsung S5KHM3
Sensor size1/1.561/1.33
Pixel size1 μm0.8 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix64 MP10 MP
Aperturef/2.8f/4.9
Focal length71 mm240 mm
SensorOmnivision OV64BSamsung S5K3J1
Sensor size1/21/2.65
Pixel size0.7 μm1.22 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length16 mm13 mm
SensorHynix HI-846Sony IMX563
Sensor size1/4.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
121
Video quality
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
100
Overall camera score
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
115
Bokehn/a70
Previewn/a67
Zoomn/a106

Front camera

Matrix 32 MP 40 MP
Photo resolution 6560x4928 pixels 7864x5200 pixels
Aperture f/2.4 f/2.2
Focal length 22 mm 26 mm
Sensor n/a Samsung S5KGH1
Sensor size n/a 1/2.65
Pixel size 0.8 μm 0.7 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
133
Video quality
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
140

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
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 5.2
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Galileo
- QZSS
- 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 SlotNoNo
2G BandsGSM 850/900/1800GSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA 1/5/8WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B3/B5/B8/B28B/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category1824
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Realme 12 Pro Plus 5G
n/a
Samsung Galaxy S21 Ultra
88 dB

Other

Class Mid-range Flagship
Announced January, 2024 yr January, 2021 yr
Release Date January, 2024 yr February, 2021 yr
Launch Price ($) 360 1200
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 67 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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