Samsung Galaxy S21 Ultra vs Samsung Galaxy S24
37.2Performance58
56.3Display60.7
72Camera47.3
46.4Battery48.4
78.7Features94.7
7 spec wins — Samsung Galaxy S21 Ultra11 spec wins — Samsung Galaxy S24
InnoReviews verdict
Samsung Galaxy S24 wins this phone face-off, 58.2 to 53.9, pulling ahead mainly in performance (+21) and features (+16). Samsung Galaxy S21 Ultra 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 Ultra
- Stronger camera score: 72 vs 47
- 233% higher Optical zoom: 10 x vs 3 x
- 233% higher Front camera: 40 MP vs 12 MP
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher RAM (max): 12 GB vs 8 GB
Reasons to pick the Samsung Galaxy S24
- Stronger performance score: 58 vs 37
- Stronger display score: 61 vs 56
- Stronger features score: 95 vs 79
- 360% higher AnTuTu 10 (GPU): 583,932 vs 126,989
- 142% higher AnTuTu 10: 1,897,064 vs 783,817
- Lower launch price: $800 vs $1,199
Display
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Screen size | 6.8 ″+10% | 6.2 ″ |
| Panel type | LTPO AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 3200x1440 | 1080x2340 |
| Pixel density | 515 ppi+24% | 416 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 2,600 nits+73% |
| Screen-to-body | — | 90.5 % |
| AnTuTu 10 (CPU) | 263,424Top 88% | 628,799+139%Top 35% |
| AnTuTu 10 (GPU) | 126,989Top 82% | 583,932+360%Top 35% |
| AnTuTu 10 (Memory) | 165,563Top 72% | 271,803+64%Top 57% |
| AnTuTu 10 (UX) | 227,841Top 82% | 412,530+81%Top 50% |
Performance
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Snapdragon 8 Gen 3 for Galaxy |
| AnTuTu 10 | 783,817Top 65% | 1,897,064+142%Top 14% |
| Geekbench 6 (single) | 1,430Top 52% | 2,200+54%Top 24% |
| Geekbench 6 (multi) | 3,550Top 56% | 6,750+90%Top 20% |
| RAM (max) | 12 GB+50% | 8 GB |
| Storage options | 128GB / 256GB / 512GB | 128/256/512GB |
| Storage type | UFS 3.1 | UFS 3.1/4.0 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | 10 MP | 10 MP |
| Optical zoom | 10 x+233% | 3 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 40 MP+233% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Capacity | 5,000 mAh+25% | 4,000 mAh |
| Wired charging | 25 W | 25 W |
| Wireless charging | 15 W | 15 W |
| Active use endurance | — | 11 h |
Design
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Weight | 228 g | 167 g+27% |
| Thickness | 8.9 mm | 7.6 mm+15% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Armor Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 14 (One UI 6.1) |
| OS update pledge | 4 years | 7 years+75% |
Audio
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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