Samsung Galaxy S21 vs Samsung Galaxy Z Fold 6
34.4Performance60.9
49.1Display58.6
40.8Camera46.9
36.9Battery47.9
78.7Features94.7
4 spec wins — Samsung Galaxy S219 spec wins — Samsung Galaxy Z Fold 6
InnoReviews verdict
Samsung Galaxy Z Fold 6 wins this phone face-off, 58.4 to 43.6, pulling ahead mainly in performance (+27) and features (+16). Samsung Galaxy S21 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
- 540% higher telephoto: 64 MP vs 10 MP
- 35% lower thickness: 7.9 mm vs 12.1 mm
- 28% lower weight: 171 g vs 239 g
- 13% higher Pixel density: 421 ppi vs 374 ppi
- Lower launch price: $799 vs $1,900
Reasons to pick the Samsung Galaxy Z Fold 6
- Stronger performance score: 61 vs 34
- Stronger display score: 59 vs 49
- Stronger camera score: 47 vs 41
- Stronger battery score: 48 vs 37
- Stronger features score: 95 vs 79
Display
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Screen size | 6.2 ″ | 7.6 ″+23% |
| Panel type | AMOLED | Foldable Dynamic LTPO AMOLED 2X |
| Resolution | 2400x1080 | 1856x2160 |
| Pixel density | 421 ppi+13% | 374 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,300 nits | 2,600 nits+100% |
| Screen-to-body | — | 90.5 % |
| AnTuTu 10 (CPU) | 252,025Top 94% | — |
| AnTuTu 10 (GPU) | 127,819Top 79% | — |
| AnTuTu 10 (Memory) | 144,909Top 91% | — |
| AnTuTu 10 (UX) | 221,794Top 88% | — |
Performance
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Snapdragon 8 Gen 3 for Galaxy |
| AnTuTu 10 | 746,547Top 66% | 1,820,000+144%Top 18% |
| Geekbench 6 (single) | 1,430Top 52% | 2,270+59%Top 18% |
| Geekbench 6 (multi) | 3,550Top 56% | 7,000+97%Top 16% |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Main camera | 12 MP | 50 MP+317% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | 64 MP+540% | 10 MP |
| Optical zoom | — | 3 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 10 MP | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Capacity | 4,000 mAh | 4,400 mAh+10% |
| Wired charging | 25 W | 25 W |
| Wireless charging | 15 W | 15 W |
| Active use endurance | — | 10 h |
Design
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Weight | 171 g+28% | 239 g |
| Thickness | 7.9 mm+35% | 12.1 mm |
| IP rating | IP68 | IP48 |
| Frame material | Aluminum | Armor Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 14 (One UI 6.1.1) |
| OS update pledge | 4 years | 7 years+75% |
Audio
| Spec | Samsung Galaxy S21 | Samsung Galaxy Z Fold 6 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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