Home Phone comparison Realme C51 and Xiaomi Redmi 9A - Which is better?

Realme C51 vs Xiaomi Redmi 9A

44 out 100
Realme C51
VS
36 out 100
Xiaomi Redmi 9A
Realme C51
Xiaomi Redmi 9A

Compared 2 smartphones : Realme C51 Manufactured in August, 2023, with display 6.74 with chipsetUnisoc Tiger T612, vs Xiaomi Redmi 9A, Manufactured in August, 2020with chipsetMediaTek Helio G25. 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
  • Larger display: 6.74in
  • Higher refresh rate: 90Hz
  • Lighter design: 186g vs 194g
  • Includes charger
  • Fingerprint scanner
Reasons to choose Xiaomi Redmi 9A
  • Higher pixel density: 269ppi

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 4/64 GB
- 4/128 GB
- 6/256 GB		 - 2/32 GB
- 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

Review

Key Specs Realme C51 and Xiaomi Redmi 9A
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
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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
Xiaomi Redmi 9A

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.74 in 6.53 in
Resolution 720x1600 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 260 ppi 269 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 560 nits 400 nits
HDR support No No
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 85.6 % 81.1 %
Display test
Peak brightness (auto)
Realme C51
n/a
Xiaomi Redmi 9A
434 nits
sRGB gamutn/a92.9 %
Response timen/a40 ms
Contrastn/a1318:1
Sources: NotebookCheck [Xiaomi Redmi 9A]

Design & Build

Design and ergonomics comparison
Height 167.2 mm (6.58 in) 164.9 mm (6.49 in)
Width 76.7 mm (3.02 in) 77 mm (3.03 in)
Thickness 7.99 mm (0.31 in) 9 mm (0.35 in)
Weight 186 g (6.56 oz) 194 g (6.84 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Green		 - Gray
- Blue
- Green
Fingerprint sensor Yes In-Button No
Screen-to-body ratio
Realme C51
85.6 %
Xiaomi Redmi 9A
81.1 %

Performance

Testing Realme C51 and Xiaomi Redmi 9A In benchmarks
Processor
Chipset Unisoc Tiger T612 MediaTek Helio G25
Max Frequency 1800 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 4/1.5 (Cortex-A53)
- 4/2 (Cortex-A53)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor n/a No
Graphics Mali-G57 MP1 PowerVR GE8320
GPU Cores 32 32
GPU Frequency 614 MHz 650 MHz
FLOPS 78.6 GFLOPS 41.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme C51
415
Xiaomi Redmi 9A
472
Geekbench 6 (Multi-Core)
Realme C51
1476
Xiaomi Redmi 9A
1524
Geekbench 6 (Single-Core)415472
Geekbench 6 (Multi-Core)14761524
Sources: Geekbench v6 [Realme C51]
AnTuTu 10
AnTuTu 10
Realme C51
244837
Xiaomi Redmi 9A
125125
CPU8553250728
GPU2331016844
Memory6602328611
UX6997228942
NanoReview Score244837125125

Memory

RAM
RAM Size 4 GB - 2 GB
- 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1600 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 32 GB
- 64 GB
- 128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 13 Android 10 (Upgradeable to Android 11)
OS Size n/a 11 GB
UI Skin Realme UI T MIUI 12.5 Enhanced

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 33 W 10 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) No
Full Charge Time 1:12 h 2:55 h
Battery Life Test
Battery Life
Realme C51
n/a
Xiaomi Redmi 9A
24:07
Web Browsingn/a10:08 h
Video Playbackn/a13:37 h
Gamesn/a05:37 h
Standby Moden/a118 h

Main camera

Matrix 50 MP 13 MP
Photo resolution 8192x6144 pixels 4128x3096 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 30 fps (480p) No
Lenses count Standard: 50 MP
Depth: 0.08 MP		 Standard: 13 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix50 MP13 MP
Aperturef/1.8f/2.2
Focal length27 mm28 mm
SensorSamsung S5KJN1n/a
Sensor size1/2.76n/a
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 5 MP 5 MP
Photo resolution 3264x2448 pixels 2560x1960 pixels
Aperture f/2.2 f/2.2
Focal length 28 mm n/a
Sensor Samsung S5K5E9 CMOS
Sensor size 1/5 n/a
Pixel size 1.12 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 720p at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE LE, HID, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region No
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM B2/3/5/8
3G BandsWCDMA 1/5/8WCDMA B1/2/4/5/8
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)
LTE category74
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos No No
Speaker Test
Max Volume
Realme C51
n/a
Xiaomi Redmi 9A
76.5 dB

Other

Class Budget Budget
Announced July, 2023 yr June, 2020 yr
Release Date August, 2023 yr August, 2020 yr
Launch Price ($) 160 100
Sensors - Proximity Sensor
- Accelerometer
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
Charger Included Yes 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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