Samsung Galaxy A51 vs Samsung Galaxy S25 Ultra
20Performance80
30.8Display66.7
34.7Camera74
29.4Battery65.8
33.3Features94.7
4 spec wins — Samsung Galaxy A5116 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 28.3, pulling ahead mainly in features (+61) and performance (+60). 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 Samsung Galaxy A51
- 167% higher Front camera: 32 MP vs 12 MP
- 21% lower weight: 172 g vs 218 g
- Has 3.5mm jack — the other doesn't
- Lower launch price: $399 vs $1,300
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 20
- Stronger display score: 67 vs 31
- Stronger camera score: 74 vs 35
- Stronger battery score: 66 vs 29
- Stronger features score: 95 vs 33
Display
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.5 ″ | 6.9 ″+6% |
| Panel type | Super AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 2400x1080 | 1440x3120 |
| Pixel density | 405 ppi | 498 ppi+23% |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | — | 2,600 nits |
| Screen-to-body | — | 92.5 % |
| AnTuTu 10 (CPU) | — | 895,141Top 10% |
| AnTuTu 10 (GPU) | — | 989,555Top 13% |
| AnTuTu 10 (Memory) | — | 348,188Top 19% |
| AnTuTu 10 (UX) | — | 555,097Top 13% |
Performance
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Samsung Exynos 9611 | Snapdragon 8 Elite for Galaxy |
| AnTuTu 10 | 215,000Top 98% | 2,787,981+1197%Top 4% |
| Geekbench 6 (single) | 350Top 99% | 3,030+766%Top 8% |
| Geekbench 6 (multi) | 1,250Top 100% | 9,800+684%Top 3% |
| RAM (max) | 6 GB | 16 GB+167% |
| Storage options | 64GB / 128GB | 256/512GB/1TB |
| Storage type | UFS 2.0 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 48 MP | 200 MP+317% |
| Main aperture | f/2.0 | f/1.7 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 32 MP+167% | 12 MP |
| OIS | No | Yes |
Battery
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 4,000 mAh | 5,000 mAh+25% |
| Wired charging | 15 W | 45 W+200% |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 172 g+21% | 218 g |
| Thickness | 7.9 mm+4% | 8.2 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Titanium |
Connectivity
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 10 (One UI 2) | Android 15 (One UI 7) |
| OS update pledge | 3 years | 7 years+133% |
Audio
| Spec | Samsung Galaxy A51 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |
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