Redmi K90 vs Samsung Galaxy S23 Ultra
84.3Performance54.3
65.4Display59.7
53.1Camera69.9
83.2Battery62.8
86.7Features78.7
13 spec wins — Redmi K907 spec wins — Samsung Galaxy S23 Ultra
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 62.6, pulling ahead mainly in performance (+30) and battery (+20). Samsung Galaxy S23 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 54
- Stronger display score: 65 vs 60
- Stronger battery score: 83 vs 63
- Stronger features score: 87 vs 79
- 400% higher telephoto: 50 MP vs 10 MP
Reasons to pick the Samsung Galaxy S23 Ultra
- Stronger camera score: 70 vs 53
- 300% higher Main camera: 200 MP vs 50 MP
- 300% higher Optical zoom: 10 x vs 2.5 x
- 50% higher ultra-wide: 12 MP vs 8 MP
- 20% higher Pixel density: 501 ppi vs 419 ppi
Display
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.8 ″+3% |
| Panel type | AMOLED | Dynamic AMOLED 2X |
| Resolution | 2510x1156 | 1440x3088 |
| Pixel density | 419 ppi | 501 ppi+20% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+100% | 1,750 nits |
| Screen-to-body | 89.8 % | 89.9 % |
Performance
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Gen 2 for Galaxy |
| AnTuTu 11 | 3,106,623+85%Top 11% | 1,677,954Bottom 50% |
| AnTuTu 11 (CPU) | 872,376+59%Top 15% | 550,163Bottom 51% |
| AnTuTu 11 (GPU) | 1,143,259+175%Top 13% | 416,322Bottom 47% |
| AnTuTu 11 (Memory) | 462,601+66%Top 6% | 277,973Bottom 51% |
| AnTuTu 11 (UX) | 628,387+45%Top 13% | 433,496Top 44% |
| Geekbench 6 (single) | — | 2,000Top 34% |
| Geekbench 6 (multi) | — | 5,400Top 34% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB/1TB |
| Storage type | UFS | UFS 4.0 |
Camera
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.88 | f/1.7 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | 50 MP+400% | 10 MP |
| Optical zoom | 2.5 x | 10 x+300% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 20 MP+67% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+42% | 5,000 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 15 W |
| Active use endurance | — | 12 h |
Design
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Weight | 206 g+12% | 234 g |
| Thickness | 8 mm+10% | 8.9 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Armor Aluminum |
Connectivity
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 13 (One UI 5.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | Redmi K90 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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