Realme C51 vs Realme C21

Compare Realme C51 and Realme C21 to understand which one suits your needs the best. The Realme C51 is priced from ₹8,999, while Realme C21 is available at ₹7,999 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.

Realme C51 vs Realme C21 Comparison Overview

Key HighlightsRealme C51Realme C21
Price₹8,999₹7,999
ProcessorUnisoc Tiger T612MediaTek Helio G35
Display6.74", HD+ IPS LCD, 90Hz6.5", HD+ IPS LCD, 60Hz
Rear Camera50MP (Wide-angle), 5MP (Auxiliary), 5MP (Front)13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front)
Battery5000mAh, 33Watt, Charger in the box5000mAh, 10Watt, Charger in the box
RAM/Storage4GB (LPDDR4X), 64GB (UFS 2.1)3GB (LPDDR4X), 32GB (UFS 2.1)
10/10

Comparison Score

Realme C51

₹8,999

Lowest price since launch

VS
9.6/10

Comparison Score

Realme C21

₹7,999

VS
VS
VS
Realme C51

₹8,999

VS
Realme C21

₹7,999

VS
VS
VS

Performance Scorecard

GamingSee More Details
Realme C51100
Realme C2170
CameraSee More Details
Realme C21100
Realme C5192
DisplaySee More Details
Realme C21100
Realme C5158
BatterySee More Details
Realme C51100
Realme C2182
BodySee More Details
Realme C51100
Realme C2158

Key Specifications

ProcessorUnisoc Tiger T612MediaTek Helio G35
Display6.74", HD+ IPS LCD, 90Hz6.5", HD+ IPS LCD, 60Hz
Camera50MP (Wide-angle), 5MP (Auxiliary), 5MP (Front)13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front)
Battery5000mAh, 33Watt, Charger in the box5000mAh, 10Watt, Charger in the box
RAM4GB (LPDDR4X)3GB (LPDDR4X)
Storage 64GB (UFS 2.1) 32GB (UFS 2.1)

General

Box ContentsPhone, 33W Charger, Type-C Cable, Case, SIM Ejector ToolPhone, 10W Charger, USB Cable, SIM Ejector Tool
ColorsMint Green, Carbon BlackCross Blue, Cross Black
LaunchSeptember 04, 2023April 08, 2021
StoresRealme, Flipkart, Amazon, Reliance DigitalFlipkart, Amazon
Launch CountryIndiaIndia
Launch Price₹8,999₹7,999

Display

🏆 Winner: Realme C21

Display TypeIPS LCDIPS LCD
Refresh Rate90Hz60Hz
Playback QualitySDRSDR
Touch Sampling Rate180Hz120Hz
Display Size6.74 inches6.5 inches
Area109.7cm²102cm²
Display Form FactorFlat DisplayFlat Display
Screen to Body Ratio90.389.5
Resolution Width720 pixels720 pixels
Resolution Height1600 pixels1600 pixels
Aspect Ratio20:920:9
Pixel Density260ppi270ppi
Display Bit Rate8-bit8-bit
Display ResolutionHD+HD+
Peak Brightness560 nits1000 nits
Colour Depth16.7 Million Colours-
Color Gamut Range-80.8%
Typical Brightness-400 nits
Eye Protection-TUV Rheinland certification

Body

🏆 Winner: Realme C51

Height167.2mm162.5mm
Width76.7mm76.4mm
Thickness8mm8.9mm
Weight186 grams190 grams
Screen MaterialGlassGlass
Back MaterialPlasticPlastic
Side MaterialPlastic FramePlastic Frame
Build QualityPlastic Material-
PortsUSB Type-C 2.0microUSB 2.0
Additional FeaturesOTG3.5mm Headphone Jack, OTG
SpeakerMono SpeakerLoudspeaker
Sound TuningNo Tuning-

Processor

🏆 Winner: Realme C51

Chipset ManufacturerUnisocMediaTek
ChipsetTiger T612Helio G35
Fabrication Size12nm12nm
Number of CoresOcta-coreOcta-core
Clock Speed2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55(4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPUMali-G57IMG GE8320

Performance Benchmarks

AnTuTu

244837

146708

Geekbench 6 CPU Single-Core

422

189

Main Camera

🏆 Winner: Realme C21

Main Camera #1 Megapixel50MP13MP
Main Camera #1 Aperturef/1.8f/2.2
Main Camera #1 Focal Length27mm26mm
Main Camera #1 Pixel Size0.64µm1.12µm
Main Camera #1 Lens TypeWide-angleWide-angle
Main Camera #1 Camera SensorUnknown Sensor-
Main Camera #1 Sensor Size1/2.76"1/3.06"
Main Camera #2 Megapixel5MP2MP
Main Camera #2 Lens TypeAuxiliaryMacro
Main Camera #2 Camera SensorUnknown Sensor-
FeaturesFilter, HDR, Panaroma, Slow MotionHDR
Camera StabilizationNo Stabilization-
Dynamic Video Recording SupportSDR recordingHDR recording
Slow Motion Recording120 fps slomo-
Dedicated Imaging ChipNo Chip-
Lens EnhancementsNo enhancement-
Video Features120fps Slo-mo-
Video Recording1080p@30fps1080p@30fps
Main Camera #2 Aperture-f/2.4
Main Camera #2 Focal Length-40mm
Pixel Size-1.75µm
Main Camera #3 Megapixel-2MP
Main Camera #3 Aperture-f/2.4
Main Camera #3 Focal Length-25mm
Main Camera #3 Pixel Size-1.75µm
Main Camera #3 Lens Type-Depth

Operating System

OS NameAndroidAndroid
OS Version1310
OS SkinRealme UIRealme UI
Security Updates1 year(s)3 year(s)
Gaming Mode-Yes
OS Updates-1 year(s)

Selfie Camera

🏆 Winner: Realme C51

Front Camera #1 Megapixel5MP5MP
Front Camera #1 Aperturef/2.2f/2.2
Front Camera #1 Focal Length28mm-
Front Camera #1 Pixel Size1.12µm1.12µm
Front Camera #1 Lens TypeWideWide
Front Camera #1 Camera SensorUnknown Sensor-
Front Camera #1 Sensor Size1/5"-
FeaturesAI Beauty Mode, Face recognition, Filters, Portrait ModePortrait
Video Features480p@30fps, 720p@30fps1080p@30fps
HDR Recording SupportSDR recording-
Video Recording-1080@30fps

Battery

🏆 Winner: Realme C51

Battery Capacity5000mAh5000mAh
Battery TypeLithium PolymerLithium Polymer
Charging Speed Wired33W10W
Reverse Wired Charging Support-Yes

Network

Sim TypeHybrid Dual SIM (2 Nano SIMs + 1 microSD)Hybrid Dual SIM (2 Nano SIMs + 1 microSD)
Network Support4G4G
Band TypesGSM, HSPA, LTEGSM, LTE, WCDMA
2G Bands1800, 1900, 850, 9001800, 1900, 850, 900
3G Bands1, 5, 8WCDMA 1, 5, 8
4G Bands1, 3, 5, 8, 38, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41

Connectivity

🏆 Winner: Realme C51

Wi-Fi StandardsWi-Fi 5 802.11 a/b/g/n/acWi-Fi 4 802.11 a/b/g/n
Wi-Fi VersionWiFi 5WiFi 4
Bluetooth Version55
Bluetooth CodecsA2DP, LEA2DP, LE
GPSA-GPS, GPSAGPS, GPS
NFC SupportSupported-
Radio-FM Radio

Features

Fingerprint ScannerSide MountedRear Mounted
Sensors on BoardAccelerometer, Compass, Gyroscope, Proximity SensorAccelerometer, Compass, Proximity Sensor

Realme C51 Comparison with Similar Phones

Realme C21 Comparison with Similar Phones