Samsung Galaxy S21 FE vs Xiaomi 12
The Verdict
Samsung Galaxy S21 FE and Xiaomi 12 occupy similar price territory but diverge significantly in their strengths. The S21 FE offers a proven ecosystem with One UI 4, superior display brightness at 1300 nits versus 1100 nits, and reliable Samsung build quality with polycarbonate construction. Its camera system includes a dedicated 3x telephoto lens, providing optical zoom advantages for users who value zoom capability. The Xiaomi 12 counters with the more powerful Snapdragon 8 Gen 1 processor (versus Snapdragon 888), 8GB RAM standard, and dramatically superior charging speeds: 67W wired and 50W wireless compared to 25W and 15W respectively. The 50MP main sensor with Sony IMX766 captures more detail than the 12MP competitor, though both shoot 4K at 60fps. Xiaomi's aluminum frame with Gorilla Glass Victus feels more premium, though it lacks official IP rating protection that the S21 FE's IP68 provides. Battery capacity matches at 4500mAh. For tech enthusiasts prioritizing raw performance and charging speed, Xiaomi delivers compelling value. Samsung suits those wanting established software support, optical zoom, and verified durability ratings. The S21 FE's ecosystem advantage matters if you own other Samsung devices.
Who Should Buy
Buy the Samsung Galaxy S21 FE if…
- →Flagship Snapdragon 888 chip at a lower price
- →Excellent 32 MP selfie camera
- →Lightweight polycarbonate body at just 177 g
Buy the Xiaomi 12 if…
- →Compact flagship at 6.28 inches
- →67W wired and 50W wireless charging
- →Good 50 MP main camera with OIS
Category Scores
Pros & Cons
Samsung Galaxy S21 FE
Pros
- Flagship Snapdragon 888 chip at a lower price
- Excellent 32 MP selfie camera
- Lightweight polycarbonate body at just 177 g
- IP68 water and dust resistance
- Wireless charging included
Cons
- Only 6 GB RAM in the base model
- Snapdragon 888 runs warmer than newer chips
- Slow 25W wired charging
- Main camera sensor is just 12 MP despite the price
Xiaomi 12
Pros
- Compact flagship at 6.28 inches
- 67W wired and 50W wireless charging
- Good 50 MP main camera with OIS
- Lightweight at 180 g
- Harman Kardon stereo speakers
Cons
- Snapdragon 8 Gen 1 runs hot
- No telephoto camera
- 13 MP ultrawide is weak
- No official IP rating
- MIUI 13 bloatware
Full Specifications
| Spec | Samsung Galaxy S21 FE | Xiaomi 12 |
|---|---|---|
| Software | Android 12, One UI 4 | Android 12, MIUI 13 |
| Body | ||
| Weight | 177 g | 180 g |
| Material | Polycarbonate | Aluminum frame, Gorilla Glass Victus |
| IP rating | IP68 | No official rating |
| Dimensions | 155.7 x 74.5 x 8.4 mm | 152.7 x 69.9 x 8.16 mm |
| Camera | ||
| Main camera | 12 MP, f/1.8, OIS | 50 MP, f/1.9, OIS (Sony IMX766) |
| Front camera | 32 MP, f/2.2 | 32 MP, f/2.45 |
| Video | 4K@60fps | 8K@24fps, 4K@60fps |
| Telephoto | 8 MP 3x optical | — |
| Ultrawide | 12 MP, f/2.2 | 13 MP, f/2.4 |
| Macro | — | 5 MP, f/2.4 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage options | 128 GB, 256 GB | 128 GB, 256 GB |
| Battery | ||
| Capacity | 4500 mAh | 4500 mAh |
| Charging | 25W wired | 67W wired |
| Wireless charging | 15W | 50W wireless |
| Display | ||
| Size | 6.4 inches | 6.28 inches |
| Type | Dynamic AMOLED 2X | AMOLED |
| Resolution | 2400 x 1080 | 2400 x 1080 |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 1300 | 1100 |
| Processor | ||
| CPU | Octa-core (1x2.84 GHz + 3x2.42 GHz + 4x1.80 GHz) | Octa-core (1x3.0 GHz + 3x2.5 GHz + 4x1.8 GHz) |
| GPU | Adreno 660 | Adreno 730 |
| Chipset | Snapdragon 888 | Qualcomm Snapdragon 8 Gen 1 |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 2.0 |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.0 | 5.2 |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in phones, see all Samsung products or all Xiaomi products. View full details for the Samsung Galaxy S21 FE or the Xiaomi 12.
