OnePlus 9 vs OnePlus 7T
Here we compared two flagship smartphones: the 6.55-inch OnePlus 9 (with Qualcomm Snapdragon 888 5G) that was released on March 23, 2021, against the OnePlus 7T, which is powered by Qualcomm Snapdragon 855 Plus and came out 18 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the OnePlus 9
- 64% better performance in AnTuTu Benchmark (778K versus 475K)
- Comes with 700 mAh larger battery capacity: 4500 vs 3800 mAh
- Higher display refresh rate – 120 Hz
- Compatible with the latest Wi-Fi 6 wireless networks
- Supports wireless charging up to 15W
- Newer Bluetooth version (v5.2)
- Uses a faster type of memory: LPDDR5 2750 MHz
- Delivers 11% higher maximum brightness (817 against 739 nits)
- More recent OS version: Android 12 versus 11
- The phone is 1-year and 6-months newer
Reasons to consider the OnePlus 7T
- Water-resistant body (IPX4 classification)
- The rear camera has a 2x optical zoom
- Shows 10% longer battery life (31:28 vs 28:34 hours)
- Optical image stabilization
- Slow-motion recording at 960FPS
Review
Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation
Value for money
You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.55 inches | 6.55 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 402 ppi | 402 ppi |
| Refresh rate | 120 Hz | 90 Hz |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 87.6% | 86.74% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 98.9% | 99.6% |
| PWM | 323 Hz | 357 Hz |
| Response time | 13 ms | 6 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Max. Brightness
Design and build
| Height | 160 mm (6.3 inches) | 160.9 mm (6.33 inches) |
| Width | 74.2 mm (2.92 inches) | 74.5 mm (2.93 inches) |
| Thickness | 8.7 mm (0.34 inches) | 8.1 mm (0.32 inches) |
| Weight | 192 gramm (6.77 oz) | 190 gramm (6.7 oz) |
| Waterproof | No | IPX4 |
| Rear material | Glass | Glass |
| Frame material | Plastic | Metal |
| Colors | Black, Blue, Purple | Silver, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 888 5G | Qualcomm Snapdragon 855 Plus |
| Max. clock | 2840 MHz | 2960 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78) - 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1) |
- 4 cores at 1.8 GHz: Cortex-A55 (Kryo 485 Silver) - 3 cores at 2.42 GHz: Cortex-A76 (Kryo 485 Gold) - 1 core at 2.96 GHz: Cortex-A76 (Kryo 485 Gold) |
| L3 cache | 4 MB | 2 MB |
| Lithography process | 5 nanometers | 7 nanometers |
| Graphics | Adreno 660 | Adreno 640 |
| GPU clock | 840 MHz | 627 MHz |
| FLOPS | ~1720 GFLOPS | ~1036 GFLOPS |
| RAM size | 8, 12 GB | 8 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 2750 MHz | 2133 MHz |
| Channels | 4 | 2 |
| Storage size | 128, 256 GB | 128, 256 GB |
| Storage type | UFS 3.1 | UFS 3.0 |
| Memory card | No | No |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 200022 | 134114 |
| GPU | 313671 | 193224 |
| Memory | 124703 | 75810 |
| UX | 143596 | 77034 |
| Total score | 778472 | 475742 |
3DMark Wild Life Performance
| Stability | 55% | 97% |
| Graphics test | 34 FPS | 14 FPS |
| Graphics score | 5762 | 2401 |
| PCMark 3.0 score | 12239 | - |
Software
| Operating system | Android 11 (Can be upgraded to Android 12) | Android 10.0 (Can be upgraded to Android 11.0) |
| ROM | Oxygen OS 12 | OxygenOS 10.0.7 |
| OS size | 35 GB | 27 GB |
Battery
| Capacity | 4500 mAh | 3800 mAh |
| Charge power | 65 W | 30 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | Yes (15 W) | No |
| Reverse charging | No | No |
| Fast charging | Yes (100% in 29 min) | Yes, Warp Charge 3T (35% in 15 min) |
| Full charging time | 0:29 hr | 1:00 hr |
| Web browsing | 10:27 hr | 10:51 hr |
| Watching video | 12:25 hr | 14:15 hr |
| Gaming | 04:06 hr | 04:55 hr |
| Standby | 92 hr | 103 hr |
General battery life
Camera
| Matrix | 48 megapixels | 48 megapixels |
| Image resolution | 8000 x 6000 | 8000 x 6000 |
| Zoom | Digital | Optical, 2x |
| Flash | Dual LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K video recording | Up to 30FPS | No |
| 4K video recording | Up to 120FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 240 FPS (1080p) | 960 FPS (720p) |
| Angle of widest lens | 140° | 117° |
| Lenses | 3 (48 MP + 50 MP + 2 MP) | 3 (48 MP + 12 MP + 16 MP) |
| Wide (main) lens | - 48 MP - Aperture: f/1.8 - Focal length: 23 mm - Pixel size: 1.12 micron - Sensor: 1/1.43", Sony IMX689 (Exmor-RS CMOS) - Phase autofocus |
- 48 MP - Aperture: f/1.6 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS) - Phase autofocus - Optical stabilization |
| Telephoto lens | - | - 12 MP - Aperture: f/2.2 - Focal length: 51 mm - Pixel size: 1 micron - Sensor: 1/3.4", Samsung S5K3M5 (ISOCELL CMOS) - Phase autofocus |
| Ultra-wide lens | - 50 MP - Aperture: f/2.2 - Focal length: 14 mm - Pixel size: 1 micron - Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS) - Phase autofocus |
- 16 MP - Aperture: f/2.2 - Focal length: 17 mm - Sensor: 1/3.09", Sony IMX481 (BSI CMOS) |
| Monochrome lens | - 2 MP - Aperture: f/2.4 |
- |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Samples | Photo samples of OnePlus 9 from DxOMark | - |
| Megapixels | 16 megapixels | 16 megapixels |
| Image resolution | 4920 x 3264 | 4608 x 3456 |
| Aperture | f/2.0 | f/2.0 |
| Focal length | - | 25 mm |
| Pixel size | 1 microns | 1 microns |
| Sensor type | Exmor-RS CMOS | CMOS |
| Sensor size | 1/3.06" | 1/3.1" |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 5 (802.11 b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5.2 | 5 |
| Bluetooth features | LE, A2DP | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.1 | 3.1 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo, SBAS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 20 | 16 |
| 5G support | Yes | No |
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 | March 2021 | September 2019 |
| Release date | March 2021 | September 2019 |
| SAR (head) | - | 1.04 W/kg |
| SAR (body) | - | 1.4 W/kg |
| Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*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 OnePlus 9 is definitely a better buy.
Cast your vote
Total votes: 50