iPhone 15 vs Samsung Galaxy S21
54.5Performance34.4
41.8Display49.1
44.3Camera40.8
39.5Battery36.9
89.3Features78.7
9 spec wins — iPhone 155 spec wins — Samsung Galaxy S21
InnoReviews verdict
iPhone 15 wins this phone face-off, 50.4 to 43.6, pulling ahead mainly in performance (+20) and features (+11). 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 iPhone 15
- Stronger performance score: 55 vs 34
- Stronger camera score: 44 vs 41
- Stronger features score: 89 vs 79
- 300% higher Main camera: 48 MP vs 12 MP
- 83% higher Geekbench 6 (multi): 6,500 vs 3,550
Reasons to pick the Samsung Galaxy S21
- Stronger display score: 49 vs 42
- 100% higher Refresh rate: 120 Hz vs 60 Hz
- 33% higher RAM (max): 8 GB vs 6 GB
- 25% higher Wired charging: 25 W vs 20 W
- 19% higher capacity: 4,000 mAh vs 3,349 mAh
Display
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.1 ″ | 6.2 ″+2% |
| Panel type | Super Retina XDR OLED | AMOLED |
| Resolution | 1179x2556 | 2400x1080 |
| Pixel density | 461 ppi+10% | 421 ppi |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | 2,000 nits+54% | 1,300 nits |
| Screen-to-body | 87.6 % | — |
| 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 | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Apple A16 Bionic | Samsung Exynos 2100 |
| AnTuTu 10 | 1,250,000+67%Top 35% | 746,547Top 66% |
| Geekbench 6 (single) | 2,600+82%Top 13% | 1,430Top 52% |
| Geekbench 6 (multi) | 6,500+83%Top 22% | 3,550Top 56% |
| RAM (max) | 6 GB | 8 GB+33% |
| Storage options | 128/256/512GB | 128GB / 256GB |
| Storage type | NVMe | UFS 3.1 |
Camera
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 48 MP+300% | 12 MP |
| Main aperture | f/1.6 | f/1.8 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | — | 64 MP |
| Optical zoom | 2 x | — |
| Max video | 4K@60fps | 8K@24fps |
| Front camera | 12 MP+20% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 3,349 mAh | 4,000 mAh+19% |
| Wired charging | 20 W | 25 W+25% |
| Wireless charging | 15 W | 15 W |
| Active use endurance | 10 h | — |
Design
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Weight | 171 g | 171 g |
| Thickness | 7.8 mm+1% | 7.9 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.3 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | iOS 17 | Android 11 (One UI 3.1) |
| OS update pledge | 6 years+50% | 4 years |
Audio
| Spec | iPhone 15 | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |