Phone Comparison - Realme C21 vs Realme C25Y vs Realme C55

Price Comparison (India)

general General Info

Manufacturer realme Realme Realme
Announced 2021, March 05 September 2021 March 2023
Status Available. Released 2021, March 05 Coming Soon - September 2021 Available - March 2023
Price Rs. 8,999 ($0.00) [Similarly Priced] Rs. 11,999 ($0.00) [Similarly Priced] -
Colors Cross Black, Cross Blue Glacier Blue, Metal Gray Sun Shower, Rainy Night, Rainforest
Form Factor Candybar Candybar Candybar
Dimension 165.2 x 76.4 x 8.9 mm
(6.5 x 3.01 x 0.35 in)
164.5 x 76 x 9.1 mm
(6.48 x 2.99 x 0.36 in)
165.6 x 75.9 x 7.9 mm
(6.52 x 2.99 x 0.31 in)
Weight 190 g (6.7 oz) 200 g (7.05 oz) 189.5 g (6.67.0.18 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G Network 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 8, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor (rear-mounted)
- Fingerprint Sensor (rear-mounted)
- Fingerprint Sensor

hardware Hardware and OS

OS Android 10 Android 11 Android 13
User Interface Realme UI 1.0 Realme UI R Realme UI 4.0
Processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek Helio G35 (12 nm) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Unisoc T610 (12 nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Mediatek Helio G88 (12nm)
GPU PowerVR GE8320 Mali-G52 Mali-G52 MC2
RAM 4 GB 4 GB 64GB/4GB
Internal Memory 64 GB 128 GB N/A
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type HD+ IPS LCD Screen HD+ IPS LCD Screen
420 nits (typ)
IPS LCD, 90Hz, 680 nits
Colors 16M Colour 16M Colors 16M
Size 6.5 inches 6.5 inches 6.72 inches
Resolution 720 x 1600 pixels (270 ppi) 720 x 1600 pixels (270 ppi) 1080 x 2400 pixels (392 ppi)
Screen-to-Body Ratio 80.78% 81.55% 86.58%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio Unspecified No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP + 2 MP + 2 MP 50 MP + 2 MP + 2 MP 64 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
50 MP, f/1.8, 26mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, Panorama
64 MP, (wide), 1/2", PDAF
2 MP, (depth)
HDR, Panorama
Video 1080p@30fps 1080p@30fps 1080p@30/60fps
Front Camera 5 MP, f/2.2, (wide), 1/5.0", 1.12µm
HDR
1080p@30fps [Similar]
8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
HDR
720p@30fps [Similar]
8 MP, (wide), HDR, panorama, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE HSPA 42.2/5.76 Mbps, LTE HSPA, LTE-A
Bluetooth 5.1, A2DP, LE 5.0, A2DP, LE 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band
USB microUSB 2.0, USB On-The-Go microUSB 2.0 USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM or 32 GB, 3 GB RAM eMMC 5.1 128 GB, 4 GB RAM 64GB/4GB RAM, 64GB/6GB RAM, 128GB/6GB RAM, 128GB/8GB RAM, 256GB/8GB RAM
Expandable Storage microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present gyroscope sensor not present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Battery Charging 10W
Li-Ion, non-removable
Fast charging 18W
Li-Po, non-removable, 33W
Capacity 5000 mAh 5000 mAh 5000 MAh
Stand by - - -
Talk Time - - -