POCO X7 Pro vs Samsung Galaxy S21 Ultra
53.7Performance37.2
64.8Display56.3
43.4Camera72
76.6Battery46.4
65.3Features78.7
12 spec wins — POCO X7 Pro9 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
POCO X7 Pro wins this phone face-off, 59.6 to 53.9, pulling ahead mainly in battery (+30) and performance (+17). Samsung Galaxy S21 Ultra 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 Pro
- Stronger performance score: 54 vs 37
- Stronger display score: 65 vs 56
- Stronger battery score: 77 vs 46
- 340% higher AnTuTu 10 (GPU): 558,121 vs 126,989
- 260% higher Wired charging: 90 W vs 25 W
- Lower launch price: $349 vs $1,199
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger camera score: 72 vs 43
- Stronger features score: 79 vs 65
- 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 Pro | 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 | 3,200 nits+113% | 1,500 nits |
| Screen-to-body | 89.5 % | — |
| AnTuTu 10 (CPU) | 584,928+122%Top 44% | 263,424Top 88% |
| AnTuTu 10 (GPU) | 558,121+340%Top 41% | 126,989Top 82% |
| AnTuTu 10 (Memory) | 314,253+90%Top 32% | 165,563Top 72% |
| AnTuTu 10 (UX) | 417,390+83%Top 47% | 227,841Top 82% |
Performance
| Spec | POCO X7 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 8400 Ultra | Samsung Exynos 2100 |
| AnTuTu 10 | 1,874,692+139%Top 15% | 783,817Top 65% |
| Geekbench 6 (single) | 1,450+1%Top 48% | 1,430Top 52% |
| Geekbench 6 (multi) | 6,300+77%Top 23% | 3,550Top 56% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256/512GB | 128GB / 256GB / 512GB |
| Storage type | UFS 4.0 | UFS 3.1 |
Camera
| Spec | POCO X7 Pro | 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@60fps | 8K@24fps |
| Front camera | 20 MP | 40 MP+100% |
| OIS | Yes | Yes |
Battery
| Spec | POCO X7 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 6,000 mAh+20% | 5,000 mAh |
| Wired charging | 90 W+260% | 25 W |
| Wireless charging | 0 W | 15 W |
| Active use endurance | 13 h | — |
Design
| Spec | POCO X7 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 195 g+14% | 228 g |
| Thickness | 8.3 mm+7% | 8.9 mm |
| IP rating | IP68 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | POCO X7 Pro | 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 | No | Yes |
Software
| Spec | POCO X7 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 11 (One UI 3.1) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | POCO X7 Pro | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
POCO X7 Provs Google Pixel 10VSPOCO X7 Provs Infinix Note 60 ProVSPOCO X7 Provs Samsung Galaxy S25 FEVSPOCO X7 Provs Oppo Reno16VSSamsung Galaxy S21 Ultravs iPhone 16eVSSamsung Galaxy S21 Ultravs Google Pixel 9aVSSamsung Galaxy S21 Ultravs Honor 400VSSamsung Galaxy S21 Ultravs Nothing Phone (3a) ProVS