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 |
|---|
| Price | ₹7,199 | ₹6,590 |
| 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. If budget matters more than the extra capability, Xiaomi Redmi A3 is the cheaper option.
Researched with AI assistance by infozme.com from manufacturer and retailer sources — 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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