Realme C21
#3055
vivo Y20i
#2800Category Breakdown
Realme C21
vivo Y20i
Performance
60.362.5
Camera
42.442.4
Display
70.570.5
Battery
58.558.5
Build
77.877.8
Overall
59.360.0
Summary
- The Realme C21 and vivo Y20i both feature a similar build quality with glass fronts and plastic backs, but the C21 is slightly heavier at 190g compared to the Y20i's 192.3g.
- Display-wise, both have 6.5-inch IPS LCD screens with the same resolution and refresh rate.
- In terms of performance, the C21 uses a MediaTek Helio G35 chipset, while the Y20i is powered by a Snapdragon 460, which may offer better efficiency.
- Camera specifications are comparable, with both having a 13 MP main sensor, but the Y20i has a wider aperture at f/1.8, potentially improving low-light performance.
- Both devices have a 5000mAh battery, but the Y20i supports faster 18W charging compared to the C21's 10W.
- Software experience is similar, as both run Android 10, but with different skins: Realme UI for the C21 and Funtouch OS for the Y20i.
Side-by-side Specification Comparison
Realme C21
vivo Y20i
General
Release Date
2021, March 05
2020, August 26
Announced
2021, March 05
2020, August 26
Description
N/A
N/A
Display
Size
6.5"
6.51"
Type
IPS LCD, 400 nits (typ)
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6765G Helio G35 (12 nm)
Qualcomm SM4250 Snapdragon 460 (11 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)
GPU
PowerVR GE8320
Adreno 610
Memory
32GB 3GB RAM, 64GB 4GB RAM
64GB 3GB RAM, 64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
13 MP, f/1.8, (wide), PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
Front Camera
5 MP
8 MP
Front Camera Details
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
8 MP, (wide)
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
5000 mAh
5000 mAh
Charging Details
10W wiredReverse wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)
Weight
190 g
192.3 g
Materials
Glass front, plastic back, plastic frame
Glass front, plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Cross Black, Cross Blue
Dawn White, Nebula Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Software
Operating System
Android 10, Realme UI
Android 10, Funtouch 10.5
OS Version
Android 10, Realme UI
Android 10, Funtouch 10.5
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes