Samsung Galaxy S21 Ultra vs Xiaomi MIX Flip
37.2Performance49.2
56.3Display63.1
72Camera54.7
46.4Battery56.3
78.7Features86.7
5 spec wins — Samsung Galaxy S21 Ultra8 spec wins — Xiaomi MIX Flip
InnoReviews verdict
Xiaomi MIX Flip wins this phone face-off, 58.3 to 53.9, pulling ahead mainly in performance (+12) and battery (+10). 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 Samsung Galaxy S21 Ultra
- Stronger camera score: 72 vs 55
- 400% higher Optical zoom: 10 x vs 2 x
- 116% higher Main camera: 108 MP vs 50 MP
- 25% higher Front camera: 40 MP vs 32 MP
- 12% higher Pixel density: 515 ppi vs 460 ppi
Reasons to pick the Xiaomi MIX Flip
- Stronger performance score: 49 vs 37
- Stronger display score: 63 vs 56
- Stronger battery score: 56 vs 46
- Stronger features score: 87 vs 79
- 400% higher telephoto: 50 MP vs 10 MP
Display
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Screen size | 6.8 ″ | 6.86 ″+1% |
| Panel type | LTPO AMOLED | Foldable LTPO AMOLED |
| Resolution | 3200x1440 | 1224x2912 |
| Pixel density | 515 ppi+12% | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 3,000 nits+100% |
Performance
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Snapdragon 8 Gen 3 |
| 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% | 2,195+53%Top 28% |
| Geekbench 6 (multi) | 3,550Bottom 50% | 6,323+78%Top 30% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB / 256GB / 512GB | 512GB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 12 MP | — |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+400% | 2 x |
| Max video | 8K@24fps | 8K@24fps |
| Front camera | 40 MP+25% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Capacity | 5,000 mAh+5% | 4,780 mAh |
| Wired charging | 25 W | 67 W+168% |
| Wireless charging | 15 W | — |
Design
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Weight | 228 g | 192 g+16% |
| Thickness | 8.9 mm | 7.8 mm+12% |
| IP rating | IP68 | — |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C |
| eSIM | Yes | — |
Software
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 14 (HyperOS) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S21 Ultra | Xiaomi MIX Flip |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
Samsung Galaxy S21 Ultravs realme P4 Power 5GVSSamsung Galaxy S21 Ultravs TECNO POVA Curve 2 5GVSSamsung Galaxy S21 Ultravs Motorola Edge 50 ProVSSamsung Galaxy S21 Ultravs iPhone 16eVSXiaomi MIX Flipvs Huawei Pura 70VSXiaomi MIX Flipvs Samsung Galaxy S24VSXiaomi MIX Flipvs Google Pixel 8 ProVSXiaomi MIX Flipvs Samsung Galaxy Z Fold 6VS