Samsung Galaxy S21 5G vs vivo iQOO Z11
Compare Samsung Galaxy S21 5G vs vivo iQOO Z11 side by side: Exynos 2100 / Snapdragon 888 5G (5 nm) vs Qualcomm Snapdragon 7s Gen 4, 12MP vs 50MP camera…
Samsung
Galaxy S21 5G
$799
6categories won
vivo
iQOO Z11
$450
12categories won
1 categories tied · 19 scored in total · add a third phone
Which one wins?
vivo iQOO Z11 takes the overall win
The vivo iQOO Z11 proves superior overall against the Samsung Galaxy S21 5G, outperforming on battery endurance and daily usability. In camera testing, the Galaxy S21 5G leads with sharper imaging, while battery endurance leans towards the iQOO Z11. Choose the iQOO Z11 if you want the highest performance ceiling, or opt for the Galaxy S21 5G if its specific hardware strengths better fit your budget.
iQOO Z11 takes battery honors offering 9,020 mAh alongside 90W charging.
Both handsets deliver top-tier speed with Exynos 2100 / Snapdragon 888 5G (5 nm) and smooth everyday multitasking.
Galaxy S21 5G wins photography with 12MP main imaging and 3x dedicated optical zoom.
iQOO Z11 wins on budget and value at $450 compared to $799.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Galaxy S21 5G vs iQOO Z11: specifications compared
Display
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Screen size | 6.2" | 6.83" |
| Resolution | 1080 x 2400 | 1260 x 2800Winner |
| Pixel density | 424 ppi | 450 ppiWinner |
| Refresh rate | 120 Hz | 144 HzWinner |
| Peak brightness | 1300 nits | 5000 nitsWinner |
Performance
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Chipset | Exynos 2100 / Snapdragon 888 5G (5 nm) | Qualcomm Snapdragon 7s Gen 4 |
| Process node | 5 nm | 4 nmWinner |
| AnTuTu score | 820,000 | — |
| Geekbench multi | 3720Winner | 3091 |
| Maximum RAM | 8 GB | 12 GBWinner |
| Maximum storage | 128GB | 256GBWinner |
Camera
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Main sensor | 12 MP | 50 MPWinner |
| Rear cameras | 3Winner | 2 |
| Optical zoom | 3x | — |
| Ultrawide | 12 MPWinner | 8 MP |
| Selfie camera | 10 MP | 32 MPWinner |
| Max video | 8K at 24fps / 4K at 60fps | 4K@30fps |
Battery and charging
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Capacity | 4,000 mAh | 9,020 mAhWinner |
| Wired charging | 25 W | 90 WWinner |
| Wireless charging | 15 W | No |
Design
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Weight | 169 gWinner | 213 g |
| Thickness | 7.9 mmWinner | 8.3 mm |
| Water resistance | IP68 | IP68/IP69 |
| Build | Aluminum frame, glastic back, Gorilla Glass Victus front | Glass front, plastic frame, plastic back |
Software and support
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| Operating system | Android 11 | Android 16 |
| OS updates | 4 yearsWinner | 3 years |
| Security updates | 5 years | 5 years |
Connectivity and value
| Specification | Galaxy S21 5G | iQOO Z11 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 (802.11ax) | 802.11 a/b/g/n/ac/6 |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $799 | $450Winner |
Samsung Galaxy S21 5G
Highlighting Samsung's two-tone Contour-Cut camera housing and iconic Phantom Violet finish, the Galaxy S21 delivers 8K video capture, flat 120Hz AMOLED smoothness, and a featherlight 169g frame.
- Display
- 6.2"
- Chipset
- Exynos 2100 / Snapdragon 888 5G (5 nm)
- Main camera
- 12MP
- Battery
- 4,000mAh
vivo iQOO Z11
The vivo iQOO Z11 is a $450 mid-range smartphone defined by its gargantuan 9020 mAh battery and premium IP69 durability. Featuring a crisp 144Hz AMOLED display and a capable Snapdragon 7s Gen 4 chipset, it suits power users and gamers who prioritize multi-day endurance over camera versatility or premium materials.
- Display
- 6.83"
- Chipset
- Qualcomm Snapdragon 7s Gen 4
- Main camera
- 50MP
- Battery
- 9,020mAh