POCO X7 vs Samsung Galaxy S21 Ultra
34.5Performance37.2
62.2Display56.3
43.4Camera72
59Battery46.4
73.3Features78.7
8 spec wins — POCO X712 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 50.6, pulling ahead mainly in camera (+29) and features (+5). POCO X7 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the POCO X7
- Stronger display score: 62 vs 56
- Stronger battery score: 59 vs 46
- 100% higher Peak brightness: 3,000 nits vs 1,500 nits
- 80% higher Wired charging: 45 W vs 25 W
- 19% lower weight: 186 g vs 228 g
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger camera score: 72 vs 43
- Stronger features score: 79 vs 73
- 900% higher Optical zoom: 10 x vs 1 x
- 116% higher Main camera: 108 MP vs 50 MP
- 100% higher Front camera: 40 MP vs 20 MP
Display
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.8 ″+2% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1220x2712 | 3200x1440 |
| Pixel density | 446 ppi | 515 ppi+15% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits+100% | 1,500 nits |
Performance
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 7300 Ultra | Samsung Exynos 2100 |
| AnTuTu 11 | 803,683+3%Bottom 25% | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | 300,148+14%Bottom 25% | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | 108,744Bottom 27% | 126,989+17%Bottom 33% |
| AnTuTu 11 (Memory) | 135,681Bottom 8% | 165,563+22%Bottom 35% |
| AnTuTu 11 (UX) | 259,110+14%Bottom 30% | 227,841Bottom 20% |
| Geekbench 6 (single) | 1,030Bottom 36% | 1,430+39%Top 46% |
| Geekbench 6 (multi) | 2,908Bottom 35% | 3,550+22%Bottom 50% |
| Wild Life Extreme stability | 100 %Top 3% | — |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256/512GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.5 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 10 MP |
| Optical zoom | 1 x | 10 x+900% |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 20 MP | 40 MP+100% |
| OIS | Yes | Yes |
Battery
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 5,110 mAh+2% | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | 0 W | 15 W |
| Active use endurance | 11.1 h | — |
Design
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 186 g+19% | 228 g |
| Thickness | 8.4 mm+6% | 8.9 mm |
| IP rating | IP68 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 14 (HyperOS 1.0) | Android 11 (One UI 3.1) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | POCO X7 | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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