realme GT 8 vs Samsung Galaxy S21
64.4Performance34.4
88.2Display49.1
54.2Camera40.8
83.2Battery36.9
70.7Features78.7
9 spec wins — realme GT 84 spec wins — Samsung Galaxy S21
InnoReviews verdict
realme GT 8 wins this phone face-off, 71.5 to 43.6, pulling ahead mainly in battery (+46) and display (+39). 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 realme GT 8
- Stronger performance score: 64 vs 34
- Stronger display score: 88 vs 49
- Stronger camera score: 54 vs 41
- Stronger battery score: 83 vs 37
- 438% higher Peak brightness: 7,000 nits vs 1,300 nits
Reasons to pick the Samsung Galaxy S21
- Stronger features score: 79 vs 71
- 50% higher ultra-wide: 12 MP vs 8 MP
- 28% higher telephoto: 64 MP vs 50 MP
- 20% lower weight: 171 g vs 214 g
Display
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.79 ″+10% | 6.2 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1440x3136 | 2400x1080 |
| Pixel density | 508 ppi+21% | 421 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 7,000 nits+438% | 1,300 nits |
| Screen-to-body | 90.7 % | — |
Performance
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 |
| AnTuTu | — | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 35% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 16% |
| AnTuTu 11 (UX) | — | 221,794Bottom 18% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256GB, 512GB, 1TB | 128GB / 256GB |
| Storage type | UFS 4.0 | UFS 3.1 |
Camera
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | 50 MP | 64 MP+28% |
| Optical zoom | 3.5 x | — |
| Max video | 8K@30fps, 4K@120fps, 1080p@240fps | 8K@24fps |
| Front camera | 16 MP+60% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,000 mAh+75% | 4,000 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Weight | 214 g | 171 g+20% |
| Thickness | 8.2 mm | 7.9 mm+4% |
| IP rating | IP68/IP69/IP66 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 6.0 | 5.0 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 16 (Realme UI 7.0) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | realme GT 8 | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |