Redmi K70 Ultra vs Samsung Galaxy A51
100Performance20
75.1Display30.8
43.4Camera34.7
71.8Battery29.4
86.7Features33.3
10 spec wins — Redmi K70 Ultra5 spec wins — Samsung Galaxy A51
InnoReviews verdict
Redmi K70 Ultra wins this phone face-off, 76.7 to 28.3, pulling ahead mainly in performance (+80) and features (+53). 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 K70 Ultra
- Stronger performance score: 100 vs 20
- Stronger display score: 75 vs 31
- Stronger camera score: 43 vs 35
- Stronger battery score: 72 vs 29
- Stronger features score: 87 vs 33
Reasons to pick the Samsung Galaxy A51
- 60% higher Front camera: 32 MP vs 20 MP
- 50% higher ultra-wide: 12 MP vs 8 MP
- 18% lower weight: 172 g vs 211 g
- Has 3.5mm jack — the other doesn't
Display
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Screen size | 6.67 ″+3% | 6.5 ″ |
| Panel type | OLED | Super AMOLED |
| Resolution | 1220x2712 | 2400x1080 |
| Pixel density | 446 ppi+10% | 405 ppi |
| Refresh rate | 144 Hz+140% | 60 Hz |
| Peak brightness | 4,000 nits | — |
| Screen-to-body | 89.1 % | — |
Performance
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Chipset | MediaTek Dimensity 9300+ | Samsung Exynos 9611 |
| AnTuTu | — | 215,000 |
| Geekbench 6 (single) | — | 350Bottom 1% |
| Geekbench 6 (multi) | — | 1,250Bottom 1% |
| RAM (max) | 24 GB+300% | 6 GB |
| Storage options | 256/512GB/1TB | 64GB / 128GB |
| Storage type | UFS 4.0 | UFS 2.0 |
Camera
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Main camera | 50 MP+4% | 48 MP |
| Main aperture | f/1.7 | f/2.0 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Max video | 8K@30fps | 4K@30fps |
| Front camera | 20 MP | 32 MP+60% |
| OIS | Yes | No |
Battery
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Capacity | 5,500 mAh+38% | 4,000 mAh |
| Wired charging | 120 W+700% | 15 W |
| Wireless charging | 0 W | — |
Design
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Weight | 211 g | 172 g+18% |
| Thickness | 8.4 mm | 7.9 mm+6% |
| IP rating | IP68 | — |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| OS at launch | Android 14 (HyperOS) | Android 10 (One UI 2) |
| OS update pledge | — | 3 years |
Audio
| Spec | Redmi K70 Ultra | Samsung Galaxy A51 |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | Yes |