Home Phone comparison Realme C51 and OnePlus Nord 5 - Which is better?

Realme C51 vs OnePlus Nord 5

44 out 100
Realme C51
VS
78 out 100
OnePlus Nord 5
Realme C51
OnePlus Nord 5

Compared 2 smartphones : Realme C51 Manufactured in August, 2023, with display 6.74 with chipsetUnisoc Tiger T612, vs OnePlus Nord 5, Manufactured in July, 2025 with chipsetQualcomm Snapdragon 8s Gen 3. 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 C51
  • Lighter design: 186g vs 211g
  • Includes charger
Reasons to choose OnePlus Nord 5
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 5200mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports Dolby Atmos
  • Infrared port

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 4/64 GB
- 4/128 GB
- 6/256 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Realme C51 and OnePlus Nord 5
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 C51
vs
OnePlus Nord 5

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.74 in 6.83 in
Resolution 720x1600 pixels 1272x2800 pixels
Aspect ratio 20:9 19.8:9
Pixel density 260 ppi 450 ppi
Refresh rate 90 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 560 nits 1400 nits
HDR support No Yes, HDR10+
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 85.6 % 90.1 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Realme C51
n/a
OnePlus Nord 5
1324 nits

Design & Build

Design and ergonomics comparison
Height 167.2 mm (6.58 in) 163.41 mm (6.43 in)
Width 76.7 mm (3.02 in) 77.04 mm (3.03 in)
Thickness 7.99 mm (0.31 in) 8.1 mm (0.32 in)
Weight 186 g (6.56 oz) 211 g (7.44 oz)
Water resistance No IP65
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Green		 - White
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Realme C51
85.6 %
OnePlus Nord 5
90.1 %

Performance

Testing Realme C51 and OnePlus Nord 5 In benchmarks
Processor
Chipset Unisoc Tiger T612 Qualcomm Snapdragon 8s Gen 3
Max Frequency 1800 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 4 + 3)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 3/2 (Cortex-A520)
- 4/2.8 (Cortex-A720)
- 1/3 (Cortex-X4)
Process TSMC TSMC
Transistor Size 12 nm 4 nm
Neural Processor n/a Hexagon
Graphics Mali-G57 MP1 Adreno 735
GPU Cores 32 768
GPU Frequency 614 MHz 1100 MHz
FLOPS 78.6 GFLOPS 1689.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme C51
415
OnePlus Nord 5
1963
Geekbench 6 (Multi-Core)
Realme C51
1476
OnePlus Nord 5
4981
Geekbench 6 (Single-Core)4151963
Geekbench 6 (Multi-Core)14764981
Geekbench Compute (GPU)n/a10567
Sources: Geekbench v6 [Realme C51], [OnePlus Nord 5]
AnTuTu 10
AnTuTu 10
Realme C51
244837
OnePlus Nord 5
1481616
CPU85532395746
GPU23310525594
Memory66023263364
UX69972296912
NanoReview Score2448371481616

Memory

RAM
RAM Size 4 GB 8 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 13 Android 15
UI Skin Realme UI T OxygenOS 15

Battery

Volume 5000 mAh 5200 mAh
Max Charging Power 33 W 80 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 28 min) Yes (79% in 30 min)
Full Charge Time 1:12 h 0:42 h
Battery Life Test
Battery Life
Realme C51
n/a
OnePlus Nord 5
25:12
Web Browsingn/a10:44 h
Video Playbackn/a16:17 h
Gamesn/a05:44 h
Standby Moden/a112 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 30 fps (480p) 240 fps (1080p)
Wide-angle lens n/a 116 °
Lenses count Standard: 50 MP
Depth: 0.08 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length27 mm24 mm
SensorSamsung S5KJN1Sony LYT-700
Sensor size1/2.761/1.56
Pixel size0.64 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensorn/aOmnivision OV08D10
Sensor sizen/a1/4.0
Stabilizationn/aDigital

Front camera

Matrix 5 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length 28 mm 21 mm
Sensor Samsung S5K5E9 Samsung JN5
Sensor size 1/5 1/2.76
Pixel size 1.12 μm 0.64 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 720p 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 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM (850/900/1800/1900)
3G BandsWCDMA 1/5/8WCDMA (850/900/1700/1900/2100)
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B32/B66)
LTE category718
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No Yes

Other

Class Budget Mid-range
Announced July, 2023 yr July, 2025 yr
Release Date August, 2023 yr July, 2025 yr
Launch Price ($) 160 n/a
MSRP ($) n/a 549
Sensors - Proximity Sensor
- Accelerometer
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Nord 5 the clear winner in this comparison.

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