Redmi K100 Pro Max vs Samsung Galaxy S21 FE 5G
64.4Performance37.5
83.8Display47.2
78.2Camera41.7
92Battery41.7
86.7Features78.7
12 spec wins — Redmi K100 Pro Max3 spec wins — Samsung Galaxy S21 FE 5G
InnoReviews verdict
Redmi K100 Pro Max wins this phone face-off, 78.8 to 45.2, pulling ahead mainly in battery (+50) and display (+37). Samsung Galaxy S21 FE 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi K100 Pro Max
- Stronger performance score: 64 vs 38
- Stronger display score: 84 vs 47
- Stronger camera score: 78 vs 42
- Stronger battery score: 92 vs 42
- Stronger features score: 87 vs 79
Reasons to pick the Samsung Galaxy S21 FE 5G
- 26% lower weight: 177 g vs 238 g
- Has eSIM — the other doesn't
Display
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Screen size | 6.9 ″+8% | 6.4 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1200x2608 | 2340x1080 |
| Pixel density | 416 ppi+4% | 401 ppi |
| Refresh rate | 185 Hz+54% | 120 Hz |
| Peak brightness | 4,500 nits+275% | 1,200 nits |
| Screen-to-body | 91.5 % | — |
Performance
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | Snapdragon 888 |
| AnTuTu | — | 1,040,324 |
| Geekbench 6 (single) | — | 1,450Top 44% |
| Geekbench 6 (multi) | — | 3,650Top 50% |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256/512GB | 128GB / 256GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Main camera | 200 MP+1567% | 12 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Telephoto | 50 MP+525% | 8 MP |
| Optical zoom | 5 x+67% | 3 x |
| Max video | 8K@30fps | 4K@60fps |
| Front camera | 32 MP | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Capacity | 9,070 mAh+102% | 4,500 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | 50 W+233% | 15 W |
Design
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Weight | 238 g | 177 g+26% |
| Thickness | 8.5 mm | 7.9 mm+7% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 6.0 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 12 (One UI 4) |
| OS update pledge | — | 4 years |
Audio
| Spec | Redmi K100 Pro Max | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
Related comparisons
Redmi K100 Pro Maxvs Vivo X500 Pro MaxVSRedmi K100 Pro Maxvs Motorola SignatureVSRedmi K100 Pro Maxvs iPhone 18 Pro MaxVSRedmi K100 Pro Maxvs Xiaomi 18 FoldVSSamsung Galaxy S21 FE 5Gvs OPPO Reno12 F 5GVSSamsung Galaxy S21 FE 5Gvs realme P3 5GVSSamsung Galaxy S21 FE 5Gvs TECNO CAMON 30S ProVSSamsung Galaxy S21 FE 5Gvs realme C85 ProVS