Realme C21

Released March 2021

Essential (<$200)
Realme C21

Summary

Pros

  • Accurate touch experience
  • Flicker-free display, making it a good companion for night reading
  • Battery autonomy, with more than two days of moderate use

Cons

  • Inability to play HDR10 videos
  • Display brightness too low for outdoor conditions
  • Long time to charge, requiring more than 3 hours for a full charge, due to 10W charger

Scores

Display
Battery
52
display
130th

in Global Ranking

2nd

in Essential Ranking (<$200)

Overall Display Score i
52
52
Realme C21
BEST 151
Top score
Honor Magic5 Pro

Sub-scores

Readability i
40
40
Realme C21
BEST 160
Top score
Apple iPhone 14 Pro Max
Color i
105
49
Xiaomi Black Shark 3 Pro
BEST 163
Top score
Huawei Mate 50 Pro
Video i
40
40
Realme C21
BEST 162
Top score
Samsung Galaxy S23 (Snapdragon)
Motion i
54
54
Realme C21
BEST 155
Top score
Huawei P40 Pro
Touch i
40
40
Realme C21
BEST 165
Top score
OnePlus 9
Artifacts i
72
40
Crosscall Action-X5
BEST 158
Top score
Vivo X Fold
Tests

Read the test results

Realme C21 display
99
battery
102nd

in Global Ranking

8th

in Essential Ranking (<$200)

Overall Battery Score i
99
75
Samsung Galaxy S22 (Exynos)
BEST 152
Top score
Honor Magic5 Lite 5G

Sub-scores

Autonomy i
117
55
Xiaomi 12 Pro
BEST 188
Top score
Honor X7a
Charging i
77
72
Wiko Power U20
BEST 181
Top score
Realme GT Neo 3
Efficiency i
97
47
Xiaomi 12 Pro
BEST 154
Top score
Oppo Reno6 5G

Key performances

Battery Life
2 days 9h
Battery Life
0-80% Charge
1h50
0-80% Charge
Full Charge
3h07
Full Charge
after 5-minute charge
1h27 Autonomy
after 5-minute charge
Tests

Read the test results

Realme C21 battery

Specifications

165.2 x 76.4 x 8.9mm

Dimensions

4G
Dual SIM

Network

No water protection
No IP rating

Protection

Wired only

Charging

32/64 GB

Storage

Wide, Macro, Depth

Main camera
Show more specifications