POCO F9 Ultra vs Samsung Galaxy S21 Ultra
64.4Performance37.2
84.3Display56.3
78.2Camera72
92Battery46.4
78.7Features78.7
11 spec wins — POCO F9 Ultra4 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
POCO F9 Ultra wins this phone face-off, 78.1 to 53.9, pulling ahead mainly in battery (+46) and display (+28). 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 F9 Ultra
- Stronger performance score: 64 vs 37
- Stronger display score: 84 vs 56
- Stronger camera score: 78 vs 72
- Stronger battery score: 92 vs 46
- 400% higher telephoto: 50 MP vs 10 MP
- Lower launch price: $799 vs $1,199
Reasons to pick the Samsung Galaxy S21 Ultra
- 100% higher Optical zoom: 10 x vs 5 x
- 25% higher Front camera: 40 MP vs 32 MP
- 24% higher Pixel density: 515 ppi vs 416 ppi
Display
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.9 ″+1% | 6.8 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2608x1200 | 3200x1440 |
| Pixel density | 416 ppi | 515 ppi+24% |
| Refresh rate | 185 Hz+54% | 120 Hz |
| Peak brightness | 4,500 nits+200% | 1,500 nits |
Performance
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 33% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 35% |
| AnTuTu 11 (UX) | — | 227,841Bottom 20% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 200 MP+85% | 108 MP |
| Main aperture | f/1.68 | f/1.8 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Telephoto | 50 MP+400% | 10 MP |
| Optical zoom | 5 x | 10 x+100% |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 32 MP | 40 MP+25% |
| OIS | Yes | Yes |
Battery
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 8,050 mAh+61% | 5,000 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | 50 W+233% | 15 W |
Design
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 235 g | 228 g+3% |
| Thickness | 8.7 mm+2% | 8.9 mm |
| IP rating | IP68 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 6.0 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | POCO F9 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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