Infinix Smart 20 vs Realme C11 (2021)
A spec-by-spec comparison of the Infinix Smart 20 and the Realme C11 (2021), taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Infinix Smart 20 | Realme C11 (2021) |
| Our rating | 7/10 | 6/10 |
| Battery | 5,200 mAh | 5,000 mAh |
| Wired charging | 15W | 10W |
| RAM (max) | — | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Screen size | 6.78 in | 6.52 in |
| Refresh rate | 120 Hz | — |
| Main camera | 8 MP | 8 MP |
| Weight (lower is lighter) | 189 g | 190 g |
| Released | Mar 2026 | Jun 2021 |
Summary: Infinix Smart 20 is ahead on our rating, battery, wired charging, storage (max).
Display
| Infinix Smart 20 | Realme C11 (2021) |
| Type | IPS LCD, 120Hz refresh rate, up to 700 nits HBM brightness | IPS LCD, 400 nits (typ) |
| Size | 6.78 inches | 6.52 inches, 102.6 cm2 (~81.3% screen-to-body ratio) |
| Resolution | 720 x 1576 pixels (HD+) | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
| Aspect Ratio | 20:9 | — |
| Screen-to-body ratio | ~82.9% | — |
| Protection | — | Corning Gorilla Glass 3 |
Platform
| Infinix Smart 20 | Realme C11 (2021) |
| OS | Android 16, XOS 16 | Android 11, Realme Go UI |
| Chipset | MediaTek Helio G81 Ultimate (12 nm) | Unisoc SC9863A (28nm) |
| CPU | Octa-core (2 GHz Octa-Core) | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) |
| GPU | Mali G52 | IMG8322 |
Memory
| Infinix Smart 20 | Realme C11 (2021) |
| RAM | 4GB LPDDR4X RAM (expandable with MemFusion) | — |
| Internal Storage | 64GB, 128GB eMMC 5.1 | — |
| Card slot | microSDXC (dedicated slot, up to 2TB) | microSDXC (dedicated slot) |
| Internal | — | 32GB 2GB RAM, 64GB 4GB RAM (eMMC 5.1) |
Main Camera
| Infinix Smart 20 | Realme C11 (2021) |
| Single | 8 MP, f/2.0 | 8 MP, f/2.0, (wide), AF |
| Features | Dual-LED flash | HDR, panorama |
| Video | 1440p | 1080p@30fps |
Selfie Camera
| Infinix Smart 20 | Realme C11 (2021) |
| Single | 8 MP, f/2.0 | 5 MP, f/2.2, (wide) |
| Features | — | HDR, panorama |
| Video | — | 1080p@30fps |
Battery
| Infinix Smart 20 | Realme C11 (2021) |
| Type | Li-Po, non-removable | Li-Po 5000 mAh, non-removable |
| Capacity | 5200 mAh | — |
| Charging | 15W wired charging, 5W reverse wired charging | 10W wired, Reverse charging |
Body
| Infinix Smart 20 | Realme C11 (2021) |
| Dimensions | 167.7 x 78.8 x 7.7 mm | 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in) |
| Weight | 189 g | 190 g (6.70 oz) |
| Build | Flat 3D texture composite rear panel | Glass front (Gorilla Glass 3), plastic frame, plastic back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Protection | IP64 dust and splash resistance | Splash resistant design |
Comms
| Infinix Smart 20 | Realme C11 (2021) |
| WLAN | Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v5.20 | 4.2, A2DP |
| GPS | Yes | — |
| NFC | Yes (Enhanced NFC Touch Transfer) | — |
| Radio | FM Radio | Unspecified |
| Positioning | — | GPS, A-GPS, GLONASS, BDS |
| USB | — | Micro-USB 2.0, OTG |
Launch
| Infinix Smart 20 | Realme C11 (2021) |
| Announced | 2026, February (Bangladesh), June 2026 (India) | 2021, June 28 |
| Status | Available. Released 2026, March | Available. Released 2021, June 28 |
Frequently asked questions
Which has the better battery, Infinix Smart 20 or Realme C11 (2021)?
Infinix Smart 20 — 5,200 mAh for the Infinix Smart 20 versus 5,000 mAh for the Realme C11 (2021).
Which is lighter, Infinix Smart 20 or Realme C11 (2021)?
Infinix Smart 20 — 189 g for the Infinix Smart 20 versus 190 g for the Realme C11 (2021).
Which is newer, Infinix Smart 20 or Realme C11 (2021)?
Infinix Smart 20 — Mar 2026 for the Infinix Smart 20 versus Jun 2021 for the Realme C11 (2021).
Is the Infinix Smart 20 or the Realme C11 (2021) rated higher?
We rate the Infinix Smart 20 7/10 and the Realme C11 (2021) 6/10.
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