realme 16 5G vs Samsung Galaxy S21 Ultra
25.3Performance37.2
71.1Display56.3
37.9Camera72
75.6Battery46.4
57.3Features78.7
6 spec wins — realme 16 5G7 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 50.2, pulling ahead mainly in camera (+34) and features (+21). realme 16 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme 16 5G
- Stronger display score: 71 vs 56
- Stronger battery score: 76 vs 46
- 180% higher Peak brightness: 4,200 nits vs 1,500 nits
- 140% higher Wired charging: 60 W vs 25 W
- 40% higher capacity: 7,000 mAh vs 5,000 mAh
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 25
- Stronger camera score: 72 vs 38
- Stronger features score: 79 vs 57
- 116% higher Main camera: 108 MP vs 50 MP
- 77% higher Geekbench 6 (single): 1,430 vs 807
Display
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.57 ″ | 6.8 ″+4% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1080x2372 | 3200x1440 |
| Pixel density | 397 ppi | 515 ppi+30% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4,200 nits+180% | 1,500 nits |
| Screen-to-body | 93 % | — |
Performance
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6400 Turbo | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 19% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 14% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 29% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 31% |
| AnTuTu 11 (UX) | — | 227,841Bottom 17% |
| Geekbench 6 (single) | 807Bottom 20% | 1,430+77%Top 48% |
| Geekbench 6 (multi) | 2,040Bottom 20% | 3,550+74%Bottom 48% |
| Wild Life Extreme stability | 98 %Top 45% | — |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128/256GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 1080p@60fps | 8K@24fps |
| Front camera | 50 MP+25% | 40 MP |
| OIS | — | Yes |
Battery
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+40% | 5,000 mAh |
| Wired charging | 60 W+140% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 183 g+20% | 228 g |
| Thickness | 8.1 mm+9% | 8.9 mm |
| IP rating | IP66/IP68/IP69/IP69K | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6E |
| Bluetooth | 5.3 | 5.2 |
| NFC | — | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 16 (realme UI 7.0) | Android 11 (One UI 3.1) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | realme 16 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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