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Realme C21 Specifications
Realme
Released 2021, Mar 5
3 / 4 GB RAM · Mediatek MT6765G Helio G35 (12 nm)
- 190g, 8.9mm thickness
- Android 10, Realme UI
- 32GB/64GB storage, microSDXC
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Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 9.8 | — |
| Display | 5.2 | — |
| Performance | 4.5 | — |
| Camera | 3.9 | — |
| Body | 5.2 | — |
| Gaming | 4.8 | — |
| Software | 4.4 | — |
| Connectivity | 2.5 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
6.5"
720x1600 pixels
13MP
1080p
3/4GB RAM
Helio G35
5000mAh
10W
Score breakdown
From specs, price tier & release year
Community ratings
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Full specifications
|
Network
|
Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 2100 | |
| 4G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International | |
| ??? | 1, 3, 5, 8, 38, 40, 41 - India | |
| Speed | HSPA, LTE |
|
Launch
|
Announced | 2021, March 05 |
|---|---|---|
| Status | Available. Released 2021, March 05 |
|
Body
|
Dimensions | 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in) |
|---|---|---|
| Weight | 190 g (6.70 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | Nano-SIM + Nano-SIM |
|
Display
|
Type | IPS LCD, 400 nits (typ) |
|---|---|---|
| Size | 6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio) | |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
|
Platform
|
OS | Android 10, Realme UI |
|---|---|---|
| Chipset | Mediatek MT6765G Helio G35 (12 nm) | |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | |
| GPU | PowerVR GE8320 |
|
Memory
|
Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM, 64GB 4GB RAM | |
| ??? | eMMC 5.1 |
|
Main Camera
|
Dual | 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12??m, PDAF 2 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps |
|
Selfie camera
|
Single | 5 MP, f/2.2, (wide), 1/5.0", 1.12??m |
|---|---|---|
| Features | HDR, panorama | |
| Video | 1080p@30fps |
|
Sound
|
Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
|
Comms
|
WLAN | Wi-Fi 802.11 b/g/n |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0, OTG |
|
Features
|
Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass |
|---|
|
Battery
|
Type | 5000 mAh |
|---|---|---|
| Charging | 10W wired Reverse wired |
|
Misc
|
Colors | Cross Black, Cross Blue |
|---|---|---|
| Models | RMX3201 | |
| Price | About 410 EUR |
Realme C21 official images
Frequently asked questions
Is Realme C21 worth buying in 2026?
Realme C21 is worth considering if its strengths match your priorities. Genze scores it 5.3/10 for its class. Read owner reviews and compare alternatives before you buy.
What is the battery capacity of Realme C21?
Realme C21 has a 5,000 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Realme C21 have?
Realme C21 features a 6.50-inch display. See the Display section for resolution, refresh rate, and panel details.
How much RAM does Realme C21 have?
Realme C21 is available with 3 / 4 GB RAM variants. Storage options are listed in the Memory section.
What is the Genze score for Realme C21?
Genze rates Realme C21 5.3/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
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