ASUS Zenfone 9 vs Samsung Galaxy S21 FE 5G
45.8Performance37.5
49.3Display47.2
42.6Camera41.7
39.8Battery41.7
60Features78.7
9 spec wins — ASUS Zenfone 97 spec wins — Samsung Galaxy S21 FE 5G
InnoReviews verdict
This one is close to a dead heat: ASUS Zenfone 9 scores 46.1 against 45.2 for Samsung Galaxy S21 FE 5G. Pick by the categories that matter to you — ASUS Zenfone 9 edges ahead in performance and display, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS Zenfone 9
- Stronger performance score: 46 vs 38
- 317% higher Main camera: 50 MP vs 12 MP
- 33% higher RAM (max): 8 GB vs 6 GB
- 26% higher Geekbench 6 (multi): 4,600 vs 3,650
- 25% higher AnTuTu 10: 1,300,000 vs 1,040,324
Reasons to pick the Samsung Galaxy S21 FE 5G
- Stronger features score: 79 vs 60
- 167% higher Front camera: 32 MP vs 12 MP
- 100% higher OS update pledge: 4 years vs 2 years
- 13% lower thickness: 7.9 mm vs 9.1 mm
- Has eSIM — the other doesn't
Display
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Screen size | 5.9 ″ | 6.4 ″+8% |
| Panel type | AMOLED | AMOLED |
| Resolution | 2400x1080 | 2340x1080 |
| Pixel density | 445 ppi+11% | 401 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 1,200 nits+9% |
Performance
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Chipset | Snapdragon 8+ Gen 1 | Snapdragon 888 |
| AnTuTu 10 | 1,300,000+25%Top 31% | 1,040,324Top 46% |
| Geekbench 6 (single) | 1,800+24%Top 40% | 1,450Top 48% |
| Geekbench 6 (multi) | 4,600+26%Top 40% | 3,650Top 53% |
| RAM (max) | 8 GB+33% | 6 GB |
| Storage options | 128GB / 256GB | 128GB / 256GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.9 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | — | 8 MP |
| Optical zoom | — | 3 x |
| Max video | 8K@24fps | 4K@60fps |
| Front camera | 12 MP | 32 MP+167% |
| OIS | Yes | Yes |
Battery
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Capacity | 4,300 mAh | 4,500 mAh+5% |
| Wired charging | 30 W+20% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Weight | 169 g+5% | 177 g |
| Thickness | 9.1 mm | 7.9 mm+13% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| OS at launch | Android 12 (ZenUI) | Android 12 (One UI 4) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | ASUS Zenfone 9 | Samsung Galaxy S21 FE 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |
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