Realme C51 vs Xiaomi Redmi A3
A spec-by-spec comparison of the Realme C51 and the Xiaomi Redmi A3, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Our rating | 7/10 | 6/10 |
| Battery | 5,000 mAh | 5,000 mAh |
| Wired charging | 33W | 10W |
| RAM (max) | 8 GB | 8 GB |
| Storage (max) | 256 GB | 128 GB |
| Screen size | 6.74 in | 6.71 in |
| Refresh rate | 90 Hz | 90 Hz |
| Main camera | 50 MP | 8 MP |
| Weight (lower is lighter) | 186 g | 193 g |
| Released | Aug 2023 | Feb 2024 |
Summary: Realme C51 is ahead on our rating, wired charging, storage (max), screen size.
★ Which should you buy? Realme C51 is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Type | IPS LCD, 90Hz, 560 nits (peak) | IPS LCD, 90Hz, 500 nits (HBM) |
| Size | 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) | 6.71 inches, 106.5 cm² (~82.9% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~260 ppi density) | 720 x 1650 pixels (~268 ppi density) |
| Protection | Corning Gorilla Glass (unspecified version) | Corning Gorilla Glass 3 |
Platform
| Realme C51 | Xiaomi Redmi A3 |
|---|
| OS | Android 13, Realme UI T Edition | Android 14 (Go edition), upgradable to Android 15 |
| Chipset | Unisoc Tiger T612 (12 nm) | MediaTek Helio G36 (12 nm) |
| CPU | Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53) |
| GPU | Mali-G57 | PowerVR GE8320 |
Memory
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot, up to 1TB) |
| Internal | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 8GB RAM, 256GB 6GB RAM (eMMC 5.1) | 64GB 2GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM (eMMC 5.1) |
Main Camera
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Dual | 50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF; 0.08 MP (auxiliary/depth sensor) | 8 MP, f/2.0, (wide) + 0.08 MP (auxiliary lens) |
| Features | LED flash, HDR, panorama | LED flash, HDR |
| Video | 1080p@30fps | 1080p@30fps |
Selfie Camera
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Single | 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm | 5 MP, f/2.2, (wide) |
| Features | HDR | — |
| Video | 720p@30fps | 1080p@30fps |
Battery
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Type | Li-Po 5000 mAh, non-removable | Li-Po 5000 mAh, non-removable |
| Charging | 33W wired, 50% in 28 min (advertised) | 10W wired |
Body
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Dimensions | 167.2 x 76.7 x 7.99 mm | 168.3 x 76.3 x 8.3 mm |
| Weight | 186 g | 193 g (eco-leather back) or 199 g (glass back) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Colors | Carbon Black, Mint Green | — |
| Build | — | Glass front (Gorilla Glass 3), glass back or eco-leather back, plastic frame |
Comms
| Realme C51 | Xiaomi Redmi A3 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth | 5.0, A2DP, LE | 5.4, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (360-degree enabled, market/region dependent) | Yes (market/region dependent) |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| Radio | — | FM radio |
Launch
| Realme C51 | Xiaomi Redmi A3 |
|---|
| Announced | 2023, August | February 14, 2024 |
| Status | Available. Released 2023, August | Available. Released 2024, February 14 |
Frequently asked questions
Which is lighter, Realme C51 or Xiaomi Redmi A3?
Realme C51 — 186 g for the Realme C51 versus 193 g for the Xiaomi Redmi A3.
Which is newer, Realme C51 or Xiaomi Redmi A3?
Xiaomi Redmi A3 — Aug 2023 for the Realme C51 versus Feb 2024 for the Xiaomi Redmi A3.
Is the Realme C51 or the Xiaomi Redmi A3 rated higher?
We rate the Realme C51 7/10 and the Xiaomi Redmi A3 6/10.
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