Redmi 15 vs Samsung Galaxy S23 Ultra
21.8Performance54.3
50.5Display59.7
29Camera69.9
66.7Battery62.8
28Features78.7
5 spec wins — Redmi 1513 spec wins — Samsung Galaxy S23 Ultra
InnoReviews verdict
Samsung Galaxy S23 Ultra wins this phone face-off, 62.6 to 38.6, pulling ahead mainly in features (+51) and camera (+41). Redmi 15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi 15
- Stronger battery score: 67 vs 63
- 40% higher capacity: 7,000 mAh vs 5,000 mAh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
Reasons to pick the Samsung Galaxy S23 Ultra
- Stronger performance score: 54 vs 22
- Stronger display score: 60 vs 51
- Stronger camera score: 70 vs 29
- Stronger features score: 79 vs 28
- 322% higher Geekbench 6 (single): 2,000 vs 474
Display
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Screen size | 6.9 ″+1% | 6.8 ″ |
| Panel type | IPS LCD | Dynamic AMOLED 2X |
| Resolution | 1080x2340 | 1440x3088 |
| Pixel density | 374 ppi | 501 ppi+34% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 850 nits | 1,750 nits+106% |
| Screen-to-body | — | 89.9 % |
Performance
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Chipset | Snapdragon 685 | Snapdragon 8 Gen 2 for Galaxy |
| AnTuTu | — | 1,677,954Bottom 50% |
| AnTuTu 11 (CPU) | — | 550,163Bottom 51% |
| AnTuTu 11 (GPU) | — | 416,322Bottom 47% |
| AnTuTu 11 (Memory) | — | 277,973Bottom 51% |
| AnTuTu 11 (UX) | — | 433,496Top 44% |
| Geekbench 6 (single) | 474Bottom 9% | 2,000+322%Top 34% |
| Geekbench 6 (multi) | 1,620Bottom 10% | 5,400+233%Top 34% |
| Wild Life Extreme stability | 99 %Top 39% | — |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.0 |
Camera
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 8 MP | 12 MP+50% |
| OIS | No | Yes |
Battery
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 33 W | 45 W+36% |
| Wireless charging | — | 15 W |
| Active use endurance | — | 12 h |
Design
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Weight | 214 g+9% | 234 g |
| Thickness | 8.4 mm+6% | 8.9 mm |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Armor Aluminum |
Connectivity
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6E |
| Bluetooth | 5.0 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 13 (One UI 5.1) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | Redmi 15 | Samsung Galaxy S23 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | No | No |
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