Realme C31 vs Realme C21

Phones Images
PHONES
Phone Names Realme C31 Realme C21
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 3, 5, 8, 38, 40, 41 - India
Launch
Announced2022, March 252021, March 05
StatusAvailable. Released 2022, March 31Available. Released 2021, March 05
Body
BuildGlass front, plastic frame, plastic backGlass front, plastic back, plastic frame
Dimensions164.7 x 76.1 x 8.4 mm (6.48 x 3.00 x 0.33 in)165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight197 g (6.95 oz)190 g (6.70 oz)
Display
ProtectionPanda Glass-
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.5 inches, 102.0 cm2 (~81.4% screen-to-body ratio)6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio)
TypeIPS LCD, 400 nitsIPS LCD, 400 nits (typ)
Platform
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetUnisoc Tiger T612 (12 nm)Mediatek MT6765G Helio G35 (12 nm)
GPUMali-G57PowerVR GE8320
OSAndroid 11, Realme UI 2.0Android 10, Realme UI
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM, 64GB 4GB RAM32GB 3GB RAM, 64GB 4GB RAM
 UFS 2.2eMMC 5.1
Main Camera
Dual-13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm5 MP, f/2.2, (wide), 1/5.0", 1.12µm
Triple13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, AF 2 MP (macro) Auxiliary lens-
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR, panorama
Single5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm5 MP, f/2.2, (wide), 1/5.0", 1.12µm
Video720p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, BDS
RadioNoFM radio
USBmicroUSB 2.0microUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximityFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging10W wired10W wired Reverse wired
Type5000 mAh5000 mAh
Misc
ColorsLight Silver, Dark GreenCross Black, Cross Blue
ModelsRMX3501RMX3201
PriceAbout 150 EURAbout 410 EUR