Redmi K90 Pro Max vs Ulefone Armor 28 Ultra
88.4Performance55.2
67Display53.7
69.5Camera46.8
92Battery94.7
86.7Features60
7 spec wins — Redmi K90 Pro Max4 spec wins — Ulefone Armor 28 Ultra
InnoReviews verdict
Redmi K90 Pro Max wins this phone face-off, 80.9 to 61.6, pulling ahead mainly in performance (+33) and features (+27). Ulefone Armor 28 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 Pro Max
- Stronger performance score: 88 vs 55
- Stronger display score: 67 vs 54
- Stronger camera score: 70 vs 47
- Stronger features score: 87 vs 60
- 59% higher Peak brightness: 3,500 nits vs 2,200 nits
Reasons to pick the Ulefone Armor 28 Ultra
- 56% higher Front camera: 50 MP vs 32 MP
- 40% higher capacity: 10,600 mAh vs 7,560 mAh
- 20% higher Wired charging: 120 W vs 100 W
- Has 3.5mm jack — the other doesn't
Display
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.67 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 2608x1200 | 1080x2400 |
| Pixel density | 416 ppi+5% | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+59% | 2,200 nits |
| Screen-to-body | 91.8 % | — |
Performance
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300+ |
| AnTuTu | 3,734,624Top 3% | — |
| AnTuTu 11 (CPU) | 1,069,368Top 3% | — |
| AnTuTu 11 (GPU) | 1,381,879Top 4% | — |
| AnTuTu 11 (Memory) | 487,580Top 3% | — |
| AnTuTu 11 (UX) | 795,797Top 3% | — |
| Geekbench 6 (single) | — | 2,158Top 29% |
| Geekbench 6 (multi) | — | 7,082Top 22% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB / 512GB / 1TB | 1TB |
| Storage type | UFS 4.1 | UFS 4.0 |
Camera
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.9 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 5 x | — |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 32 MP | 50 MP+56% |
| OIS | Yes | No |
Battery
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Capacity | 7,560 mAh | 10,600 mAh+40% |
| Wired charging | 100 W | 120 W+20% |
| Wireless charging | 50 W | 50 W |
Design
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Weight | 218 g+52% | 450 g |
| Thickness | 7.9 mm+59% | 19.4 mm |
| IP rating | IP68 | IP68/IP69K |
| Frame material | Aluminum | — |
Connectivity
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 Gen 2 |
| eSIM | No | No |
Software
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 14 |
Audio
| Spec | Redmi K90 Pro Max | Ulefone Armor 28 Ultra |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | Yes |
Related comparisons
Redmi K90 Pro Maxvs Vivo X300 ProVSRedmi K90 Pro Maxvs Huawei Mate 80 RS Ultimate DesignVSRedmi K90 Pro Maxvs Xiaomi 17 UltraVSRedmi K90 Pro Maxvs Xiaomi 17T ProVSUlefone Armor 28 Ultravs iPhone AirVSUlefone Armor 28 Ultravs Huawei Mate XT Ultimate DesignVSUlefone Armor 28 Ultravs iQOO Z9 TurboVSUlefone Armor 28 Ultravs Samsung Galaxy Z Fold8 UltraVS