Samsung Galaxy S21 Ultra vs OnePlus Nord 6
67
out 100
VS
83
out 100
Compared 2 smartphones : Samsung Galaxy S21 Ultra Manufactured in February, 2021, with display 6.8 with chipsetSamsung Exynos 2100, vs OnePlus Nord 6, Manufactured in April, 2026 with chipsetQualcomm Snapdragon 8s Gen 4. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy S21 Ultra
- Larger display: 6.8in
- Higher pixel density: 515ppi
- Supports newer USB: 3.2 vs 2
- Supports Dolby Atmos
- Built-in eSIM
Reasons to choose OnePlus Nord 6
- Higher refresh rate: 165Hz
- Lighter design: 210g vs 227g
- Higher battery capacity: 7500mAh vs 5000mAh
- Newer Bluetooth version: 6.0 vs 5.2
- Infrared port
- Includes charger
Versions
| Memory Options | - 12/128 GB - 12/256 GB - 12/512 GB - 16/256 GB - 16/512 GB |
- 8/256 GB - 12/256 GB - 12/512 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | Dynamic AMOLED | AMOLED |
| Size | 6.8 in | 6.78 in |
| Resolution | 1440x3200 pixels | 1272x2772 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| Pixel density | 515 ppi | 450 ppi |
| Refresh rate | 120 Hz | 165 Hz |
| Adaptive refresh rate | Yes (10-120 Hz) | Yes (60-165 Hz) |
| Max brightness | 1500 nits | 1800 nits |
| HDR support | Yes HDR10+ | Yes, HDR10+ |
| Screen-to-body ratio | 89.5 % | 89.7 % |
| Features | - DCI-P3 - Always-On Display |
- DCI-P3 - Always-On Display - DC dimming |
Design & Build
| Height | 165.1 mm (6.5 in) | 162.46 mm (6.4 in) |
| Width | 75.6 mm (2.98 in) | 77.45 mm (3.05 in) |
| Thickness | 8.9 mm (0.35 in) | 8.5 mm (0.33 in) |
| Weight | 227 g (8.01 oz) | 210 g (7.41 oz) |
| Water resistance | IP68 | IP69 |
| Cooling system | n/a | Vapor chamber |
| Back panel | Glass | Plastic |
| Frame | Metal | Plastic |
| Colors | - Black - Silver - Gray - Blue |
- Black - Silver - Green |
| Fingerprint sensor | Yes In-Display | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8s Gen 4 |
| Max Frequency | 2900 MHz | 3210 MHz |
| CPU Cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 2 + 2) |
| Architecture | - 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
- 2/2.02 (Cortex-A720) - 2/2.8 (Cortex-A720) - 3/3 (Cortex-A720) - 1/3.21 (Cortex-X4) |
| Process | Samsung | TSMC |
| Transistor Size | 5 nm | 4 nm |
| Neural Processor | Yes | Hexagon |
| Graphics | Mali-G78 MP14 | n/a |
| GPU Cores | 896 | n/a |
| GPU Frequency | 854 MHz | n/a |
| FLOPS | 1530.4 GFLOPS | n/a |
| Geekbench 6 (Single-Core) | 1449 | 2116 |
| Geekbench 6 (Multi-Core) | 3892 | 6851 |
| CPU | 232358 | 708437 |
| GPU | 256356 | 812170 |
| Memory | 163007 | 317102 |
| UX | 191217 | 529201 |
| NanoReview Score | 843008 | 2366913 |
| Max Surface Temp. | 40.8 °C | n/a |
| Stability | 69 % | n/a |
| Graphics Test | 31 fps | n/a |
| Graphics Score | 5221 | n/a |
Memory
| RAM Size | - 12 GB - 16 GB |
8 GB |
| Memory Type | LPDDR5 | LPDDR5X |
| Memory Frequency | 2750 MHz | n/a |
| Channels | 2 | 4 |
| Storage Capacity | - 128 GB - 256 GB - 512 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
| Memory Card | No | No |
Software
| OS | Android 11 (Upgradeable to Android 14) | Android 16 |
| OS Size | 26.4 GB | n/a |
| UI Skin | One UI 6 | OxygenOS 16 |
Battery
| Volume | 5000 mAh | 7500 mAh |
| Max Charging Power | 25 W | 80 W |
| Battery Type | Li-ion | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | Yes (15 W) | No |
| Reverse Charging | Yes (Wireless) | Yes |
| Fast Charging | Yes (54% in 30 min) | Yes |
| Full Charge Time | 1:11 h | n/a |
| Web Browsing | 07:58 h | n/a |
| Video Playback | 13:59 h | n/a |
| Games | 05:14 h | n/a |
| Standby Mode | 111 h | n/a |
Main camera
| Matrix | 108 MP | 50 MP |
| Photo resolution | 12000x9000 pixels | 8192x6144 pixels |
| Zoom | Optical, 10x | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K Recording | Up to 24FPS | No |
| 4K Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | 960 fps (720p) | 240 fps (1080p) |
| Wide-angle lens | 120 ° | 112 ° |
| Lenses count | Standard: 108 MP Telephoto: 10 MP Telephoto: 10 MP Ultra-wide: 12 MP |
Standard: 50 MP Ultra-wide: 8 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 108 MP | 50 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5KHM3 | Sony LYT-600 |
| Sensor size | 1/1.33 | 1/1.95 (0.51) |
| Pixel size | 0.8 μm | 0.8 μm |
| Autofocus | Laser autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Matrix | 10 MP | n/a |
| Aperture | f/4.9 | n/a |
| Focal length | 240 mm | n/a |
| Sensor | Samsung S5K3J1 | n/a |
| Sensor size | 1/2.65 | n/a |
| Pixel size | 1.22 μm | n/a |
| Stabilization | Optical | n/a |
| Matrix | 12 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | 16 mm |
| Sensor | Sony IMX563 | Omnivision OV08F |
| Sensor size | 1/2.55 | 1/4.0 (0.25) |
| Pixel size | 1.4 μm | 1.12 μm |
| Stabilization | Digital | Digital |
| Bokeh | 70 | n/a |
| Preview | 67 | n/a |
| Zoom | 106 | n/a |
Front camera
| Matrix | 40 MP | 32 MP |
| Photo resolution | 7864x5200 pixels | n/a |
| Aperture | f/2.2 | f/2.0 |
| Focal length | 26 mm | 21 mm |
| Sensor | Samsung S5KGH1 | CMOS |
| Sensor size | 1/2.65 | 1/3.1 (0.32) |
| Pixel size | 0.7 μm | 1.6 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Optical |
| Video resolution | 2160p (4K) at 60 fps | 2160p (4K) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| 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 | 6.0 |
| Bluetooth features | LE, A2DP | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 2 |
| USB features | - Charging - USB Storage Mode - USB-Host mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | n/a | No |
| GPS | - GPS - GLONASS - Beidou - Galileo |
- GPS - GLONASS - Beidou - Galileo - QZSS |
| NFC* | Yes | Yes |
| Infrared Port | No | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | Yes | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM 850, 900, 1800, 1900 MHz | GSM:850/900/1800/1900MHz |
| 3G Bands | WCDMA Band 1, 2, 4, 5, 8 | WCDMA 1/2/4/5/8 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B32/B38/B39/B40/B41/B42/B48/B66) |
| LTE category | 24 | n/a |
| 5G Support | Yes | Yes |
Sound
| Speakers | Stereo | n/a |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | Yes | n/a |
Other
| Class | Flagship | Mid-range |
| Announced | January, 2021 yr | April, 2026 yr |
| Release Date | February, 2021 yr | April, 2026 yr |
| Launch Price ($) | 1200 | n/a |
| MSRP ($) | n/a | 417 |
| Sensors | - Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | n/a | Yes, 75 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider OnePlus Nord 6 the clear winner in this comparison.
Survey
Total Votes: 0
