Redmi K90 vs Samsung Galaxy S20 Ultra
84.3Performance29.1
65.4Display54
53.1Camera65.9
83.2Battery55.1
86.7Features73.3
7 spec wins — Redmi K907 spec wins — Samsung Galaxy S20 Ultra
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 51.1, pulling ahead mainly in performance (+55) and battery (+28). Samsung Galaxy S20 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 29
- Stronger display score: 65 vs 54
- Stronger battery score: 83 vs 55
- Stronger features score: 87 vs 73
- 192% higher Peak brightness: 3,500 nits vs 1,200 nits
Reasons to pick the Samsung Galaxy S20 Ultra
- Stronger camera score: 66 vs 53
- 116% higher Main camera: 108 MP vs 50 MP
- 100% higher Front camera: 40 MP vs 20 MP
- 60% higher Optical zoom: 4 x vs 2.5 x
- 50% higher ultra-wide: 12 MP vs 8 MP
Display
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.9 ″+5% |
| Panel type | AMOLED | AMOLED |
| Resolution | 2510x1156 | 3200x1440 |
| Pixel density | 419 ppi | 511 ppi+22% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+192% | 1,200 nits |
| Screen-to-body | 89.8 % | — |
Performance
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Samsung Exynos 990 |
| AnTuTuDifferent AnTuTu versions — not compared | 3,106,623Top 11% | 500,000 |
| AnTuTu 11 (CPU) | 872,376Top 15% | — |
| AnTuTu 11 (GPU) | 1,143,259Top 13% | — |
| AnTuTu 11 (Memory) | 462,601Top 6% | — |
| AnTuTu 11 (UX) | 628,387Top 13% | — |
| Geekbench 6 (single) | — | 900Bottom 22% |
| Geekbench 6 (multi) | — | 2,650Bottom 27% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB |
| Storage type | UFS | UFS 3.0 |
Camera
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.88 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | 50 MP+4% | 48 MP |
| Optical zoom | 2.5 x | 4 x+60% |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 20 MP | 40 MP+100% |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+42% | 5,000 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 15 W |
Design
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Weight | 206 g+7% | 222 g |
| Thickness | 8 mm+9% | 8.8 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 10 (One UI 2) |
| OS update pledge | — | 3 years |
Audio
| Spec | Redmi K90 | Samsung Galaxy S20 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |