Samsung Galaxy S21 Ultra vs Apple iPhone 13 Pro Max
Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S21 Ultra (with Exynos 2100) that was released on January 14, 2021, against the Apple iPhone 13 Pro Max, which is powered by Apple A15 Bionic and came out 8 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Samsung Galaxy S21 Ultra
- The rear camera has a 10x optical zoom
- Newer Bluetooth version (v5.2)
- Fingerprint scanner
- Slow-motion recording at 960FPS
- Uses a faster type of memory: LPDDR5 2750 MHz
- Has 33% more RAM: 8GB versus 6GB
- Has 2 SIM card slots
- 12% higher pixel density (515 vs 458 PPI)
- Reverse charging feature
- CPU with a higher amount of cores (+2)
Reasons to consider the Apple iPhone 13 Pro Max
- Shows 27% longer battery life (28:08 vs 22:05 hours)
- Better camera quality (According to DxOMark rating)
- 63% faster in single-core GeekBench 6 test: 2427 and 1486 points
- The phone is 8 months newer
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Select your primary usage scenario to get a more accurate DeviceFacts Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Dynamic AMOLED | OLED |
| Size | 6.8 inches | 6.7 inches |
| Resolution | 1440 x 3200 pixels | 1284 x 2778 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| PPI | 515 ppi | 458 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (10-120 Hz) | Yes (10-120 Hz) |
| Max rated brightness | 1500 nits | 1000 nits |
| Max rated brightness in HDR | - | 1200 nits |
| HDR support | Yes, HDR10+ | Yes, Dolby Vision |
| Screen protection | Gorilla Glass Victus | - |
| Screen-to-body ratio | 89.5% | 87.7% |
| Display features | - DCI-P3 - Always-On Display |
- DCI-P3 |
| RGB color space | - | 99.9% |
| PWM | - | 238 Hz |
| Response time | - | 8.5 ms |
| Contrast | - | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 165.1 mm (6.5 inches) | 160.8 mm (6.33 inches) |
| Width | 75.6 mm (2.98 inches) | 78.1 mm (3.07 inches) |
| Thickness | 8.9 mm (0.35 inches) | 7.65 mm (0.3 inches) |
| Weight | 227 g (8.01 oz) | 240 g (8.47 oz) |
| Waterproof | IP68 | IP68 |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Gray, Blue | Black, Silver, Gold, Blue, Green |
| Fingerprint scanner | Yes, in-display | No |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 2100 | Apple A15 Bionic |
| Max clock | 2900 MHz | 3230 MHz |
| CPU cores | 8 (1 + 3 + 4) | 6 (2 + 4) |
| Architecture | - 4 cores at 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
- 4 cores at 2.02 GHz: Blizzard - 2 cores at 3.23 GHz: Avalanche |
| Manufacturing | Samsung | TSMC |
| Lithography process | 5 nanometers | 5 nanometers |
| Neural processor (NPU) | Yes | Apple Neural Engine |
| Graphics | Mali-G78 MP14 | Apple GPU (5 cores) |
| GPU shading units | 448 | 640 |
| GPU clock | 854 MHz | 1338 MHz |
| FLOPS | ~765.2 GFLOPS | ~1712.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 6870 | 21357 |
| Single-core score | 1486 | 2427 |
| Multi-core score | 3800 | 6142 |
AnTuTu Benchmark 11
| CPU | 420330 | 276639 |
| GPU | 186151 | 369897 |
| Memory | 193925 | 116764 |
| UX | 273776 | 390373 |
| Total score | 1074182 | 1153673 |
| Samples | [11 tests] | [3 tests] |
3DMark Solar Bay
| Stability | - | 75% |
| Graphics test | - | 14 FPS |
| Section 1 | - | 19 FPS |
| Section 2 | - | 14 FPS |
| Section 3 | - | 9 FPS |
| Graphics score | - | 3785 |
3DMark Wild Life Extreme
| Stability | - | 73% |
| Graphics test | - | 17 FPS |
| Graphics score | - | 2960 |
Recent User Tests
Samsung Galaxy S21 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-10-06 (Nurik) | AnTuTu 12 | 900228 |
| 📘 2026-09-30 -> fh_hxx19 | AnTuTu 12 | 1191592 |
| 📘 2026-09-30 -> fh_hxx19 | AnTuTu 12 | 1191592 |
| 📘 2026-07-22 (Squizzyyy) | AnTuTu 11 | 857016 |
| 📘 2026-06-02 (My name) | AnTuTu 11 | 1271841 |
Apple iPhone 13 Pro Max
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-10-12 -> HotPower | Geekbench 7 CPU | 2155 / 5548 |
| 📘 2026-09-23 -> HotPower | AnTuTu 11 | 1184759 |
| 📘 2026-09-19 -> HotPower | Geekbench 6 GPU | 21284 |
| 📘 2026-09-19 -> HotPower | Geekbench 6 CPU | 2423 / 5985 |
| 📘 2026-09-12 (Simon) | AnTuTu 11 | 1146332 |
Memory
| RAM size | 8 GB | 6 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 2750 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 128 GB |
| Storage type | UFS 3.1 | NVMe |
| Memory card | No | No |
Software
| Operating system | Android 11 (Can be upgraded to Android 15) | iOS 15 (Can be upgraded to iOS 27) |
| ROM | One UI 7.0 | - |
| OS size | 26.4 GB | 13 GB |
| OS updates | 2 years | - |
| Security updates | 4 years | - |
Battery
| Capacity | 5000 mAh | 4352 mAh |
| Max charge power | 25 W | 23 W |
| Battery type | Li-Ion | Li-Ion |
| Replaceable | No | No |
| Wireless charging | Yes (15 W) | Yes (7.5 W) |
| Reverse charging | Yes, (wireless) | No |
| Bypass charging | - | No |
| Fast charging | Yes (54% in 30 min) | Yes (42% in 30 min) |
| Full charging time | 1:11 hr | 1:46 hr |
| Web browsing | 07:58 hr | 11:16 hr |
| Watching video | 13:59 hr | 17:03 hr |
| Gaming | 05:14 hr | 06:41 hr |
| Standby | 111 hr | 136 hr |
General battery life
Smartphones With Long Battery Life (#89th place)
Main camera
| Matrix | 108 megapixels | 12 megapixels |
| Image resolution | 12000 x 9000 | 4032 x 3024 |
| Zoom | Optical, 10x | Optical, 3x |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 24FPS | No |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 960 FPS (720p) | 240 FPS (1080p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 1) Standard: 108 MP 2) Telephoto: 10 MP 3) Telephoto: 10 MP 4) Ultrawide: 12 MP |
1) Standard: 12 MP 2) Telephoto: 12 MP 3) Ultrawide: 12 MP 4) Depth |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 108 MP | 12 MP |
| Aperture | f/1.8 | f/1.5 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5KHM3 | Sony IMX703 |
| Sensor size | 1/1.33" (≈ 0.75 inch) | 1/1.66" (≈ 0.6 inch) |
| Pixel size | 0.8 micron | 1.9 micron |
| Autofocus | Laser autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Optical | Optical |
| Image resolution | 10 MP | 12 MP |
| Aperture | f/4.9 | f/2.8 |
| Focal length | 240 mm | 77 mm |
| Sensor | Samsung S5K3J1 | Sony IMX713 |
| Sensor size | 1/2.65" (≈ 0.38 inch) | 1/3.4" (≈ 0.29 inch) |
| Pixel size | 1.22 micron | 1 micron |
| Stabilization | Optical | Optical |
| Image resolution | 12 MP | 12 MP |
| Aperture | f/2.2 | f/1.8 |
| Focal length | 13 mm | 13 mm |
| Sensor | Sony IMX563 | Sony IMX772 |
| Sensor size | 1/2.55" (≈ 0.39 inch) | 1/3.4" (≈ 0.29 inch) |
| Pixel size | 1.4 micron | 1 micron |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | 70 | 75 |
| Preview | 67 | 81 |
| Zoom | 106 | 119 |
| Samples | Photo samples of Samsung Galaxy S21 Ultra from DxOMark | Photo samples of Apple iPhone 13 Pro Max from DxOMark |
Selfie camera
| Megapixels | 40 megapixels | 12 megapixels |
| Image resolution | 7864 x 5200 | 4032 x 3024 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 23 mm |
| Sensor | Samsung S5KGH1 | Sony IMX514 |
| Sensor size | 1/2.65" (≈ 0.38 inch) | 1/3.6" (≈ 0.28 inch) |
| Pixel size | 0.7 micron | 1 micron |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | Yes |
DxOMark front camera
| Photo | 133 | 128 |
| Video | 140 | 143 |
Connectivity
| Wi-Fi standard | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.2 | 5 |
| Bluetooth features | LE, A2DP | LE, A2DP |
| USB type | USB Type-C | - |
| USB version | 3.2 | 2 |
| USB features | - Charging - USB-Storage mode - USB-Host mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 1 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | - |
| eSIM support* | Yes | Yes |
| Hybrid slot | No | No |
| LTE Cat* | 24 | 18 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | January 2021 | September 2021 |
| Release date | February 2021 | September 2021 |
| Launch price (MSRP) | $1200 | $1100 |
| Successor | - Samsung Galaxy S22 Ultra | - Apple iPhone 17 Pro Max |
| SAR (head) | 0.71 W/kg | 0.99 W/kg |
| SAR (body) | 1.58 W/kg | 0.98 W/kg |
| Sensors | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Face recognition sensor |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Apple iPhone 13 Pro Max is definitely a better buy.
Cast your vote
Total votes: 5888