Home Phone comparison Realme 12 Pro 5G and Samsung Galaxy A51 - Which is better?

Realme 12 Pro 5G vs Samsung Galaxy A51

61 out 100
Realme 12 Pro 5G
VS
41 out 100
Samsung Galaxy A51
Realme 12 Pro 5G
Samsung Galaxy A51

Compared 2 smartphones : Realme 12 Pro 5G Manufactured in January, 2024, with display 6.7 with chipsetQualcomm Snapdragon 6 Gen 1, vs Samsung Galaxy A51, Manufactured in December, 2019with chipsetSamsung Exynos 9 Octa 9611. 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 Realme 12 Pro 5G
  • Larger display: 6.7in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 190g

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Realme 12 Pro 5G and Samsung Galaxy A51
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
Smartphones:
Realme 12 Pro 5G
vs
Samsung Galaxy A51

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.7 in 6.5 in
Resolution 1080x2412 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 394 ppi 405 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 950 nits 400 nits
HDR support n/a No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 90.6 % 87.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
Realme 12 Pro 5G
n/a
Samsung Galaxy A51
631 nits
sRGB gamutn/a98.8 %
PWM (Flicker)n/a242 Hz
Response timen/a25 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 161.47 mm (6.36 in) 158.5 mm (6.24 in)
Width 74.02 mm (2.91 in) 73.6 mm (2.9 in)
Thickness 8.75 mm (0.34 in) 7.9 mm (0.31 in)
Weight 190 g (6.7 oz) 172 g (6.07 oz)
Water resistance IP65 No
Cooling system Vapor chamber n/a
Back panel n/a Plastic
Frame n/a Plastic
Colors - Blue
- Yellow		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Realme 12 Pro 5G
90.6 %
Samsung Galaxy A51
87.5 %

Performance

Testing Realme 12 Pro 5G and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 1 Samsung Exynos 9 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Cortex-A55)
- 4/2.2 (Cortex-A78)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 4 nm 10 nm
Neural Processor Yes Yes
Graphics Adreno 710 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 676 MHz 850 MHz
FLOPS 346.1 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 12 Pro 5G
937
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Realme 12 Pro 5G
2758
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)937512
Geekbench 6 (Multi-Core)27581556
Sources: Geekbench v6 [Realme 12 Pro 5G]
AnTuTu 10
AnTuTu 10
Realme 12 Pro 5G
576716
Samsung Galaxy A51
268760
CPU18766783857
GPU9538545166
Memory15299363828
UX14067175909
NanoReview Score576716268760
3DMark Wild Life
3DMark Wild Life
Realme 12 Pro 5G
n/a
Samsung Galaxy A51
812
Max Surface Temp.n/a42.2 °C
Stabilityn/a95 %
Graphics Testn/a4 fps
Graphics Scoren/a812
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size 8 GB - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.0
Memory CardNoMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 13)
OS Size n/a 23 GB
UI Skin Realme UI 5.0 One UI 5.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 67 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 19 min) Yes (40% in 35 min)
Full Charge Time 0:47 h 1:50 h
Battery Life Test
Battery Life
Realme 12 Pro 5G
n/a
Samsung Galaxy A51
17:53
Web Browsingn/a07:15 h
Video Playbackn/a11:25 h
Gamesn/a04:49 h
Standby Moden/a81 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Optical, 2x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 960 fps (720p)
Wide-angle lens 112 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 8 MP		 Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSony IMX882Sony IMX582
Sensor size1/2.01/2
Pixel size0.7 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix32 MPn/a
Aperturef/2.0n/a
Focal length47 mmn/a
SensorSony IMX709n/a
Sensor size1/2.75n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length16 mm13 mm
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6560x4928 pixels
Aperture f/2.4 f/2.2
Focal length 24 mm 26 mm
Sensor CMOS Samsung S5KGD1
Sensor size n/a 1/2.8
Pixel size n/a 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage 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 *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA 1/5/8UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B3/B5/B8/B28B/B40/B41)LTE (B850/B900/B1800/B2100/B2600)
LTE category1812
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Realme 12 Pro 5G
n/a
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced January, 2024 yr December, 2019 yr
Release Date January, 2024 yr December, 2019 yr
Launch Price ($) 315 399
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - 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

After analyzing the data, we consider Realme 12 Pro 5G the clear winner in this comparison.

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