Redmi A4 5G vs Samsung Galaxy A51
20Performance20
44.1Display30.8
29Camera34.7
40.3Battery29.4
36Features33.3
6 spec wins — Redmi A4 5G6 spec wins — Samsung Galaxy A51
InnoReviews verdict
Redmi A4 5G wins this phone face-off, 32.3 to 28.3, pulling ahead mainly in display (+13) and battery (+11). Samsung Galaxy A51 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi A4 5G
- Stronger display score: 44 vs 31
- Stronger battery score: 40 vs 29
- 100% higher Refresh rate: 120 Hz vs 60 Hz
- 29% higher capacity: 5,160 mAh vs 4,000 mAh
- 20% higher Wired charging: 18 W vs 15 W
Reasons to pick the Samsung Galaxy A51
- Stronger camera score: 35 vs 29
- 540% higher Front camera: 32 MP vs 5 MP
- 56% higher Pixel density: 405 ppi vs 260 ppi
- 50% higher RAM (max): 6 GB vs 4 GB
- 50% higher OS update pledge: 3 years vs 2 years
Display
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Screen size | 6.88 ″+6% | 6.5 ″ |
| Panel type | IPS LCD | Super AMOLED |
| Resolution | 720x1640 | 2400x1080 |
| Pixel density | 260 ppi | 405 ppi+56% |
| Refresh rate | 120 Hz+100% | 60 Hz |
| Peak brightness | 600 nits | — |
| Screen-to-body | 90 % | — |
Performance
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Chipset | Snapdragon 4s Gen 2 | Samsung Exynos 9611 |
| AnTuTu | — | 215,000 |
| Geekbench 6 (single) | — | 350Bottom 1% |
| Geekbench 6 (multi) | — | 1,250Bottom 1% |
| RAM (max) | 4 GB | 6 GB+50% |
| Storage options | 64/128GB | 64GB / 128GB |
| Storage type | UFS 2.2 | UFS 2.0 |
Camera
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Main camera | 50 MP+4% | 48 MP |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | — | 12 MP |
| Max video | 1080p@30fps | 4K@30fps |
| Front camera | 5 MP | 32 MP+540% |
| OIS | — | No |
Battery
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Capacity | 5,160 mAh+29% | 4,000 mAh |
| Wired charging | 18 W+20% | 15 W |
Design
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Weight | 212 g | 172 g+19% |
| Thickness | 8.2 mm | 7.9 mm+4% |
| IP rating | IP52 | — |
| Frame material | Plastic | Plastic |
Connectivity
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 5.0 |
| NFC | — | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| OS at launch | Android 14 (HyperOS) | Android 10 (One UI 2) |
| OS update pledge | 2 years | 3 years+50% |
Audio
| Spec | Redmi A4 5G | Samsung Galaxy A51 |
|---|---|---|
| Stereo speakers | No | No |
| 3.5mm jack | Yes | Yes |