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 19 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the OnePlus 9
- Comes with 700 mAh larger battery capacity: 4500 vs 3800 mAh
- Higher display refresh rate – 120 Hz
- Handles wireless charging up to 15W
- Newer Bluetooth version (v5.2)
- Supports higher wattage charging (65W versus 30W)
- Uses a faster type of memory: LPDDR5 2750 MHz
- Compatible with Wi-Fi 6 wireless networks
- Delivers 10% higher peak brightness (827 against 749 nits)
- More recent OS version: Android 13 versus 12
- The phone is 1-year and 7-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 (31:27 vs 28:34 hours)
- Optical image stabilization
- Slow-motion recording at 960FPS
- 10% better performance in AnTuTu Benchmark (624K versus 568K)
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
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 |
| Adaptive refresh rate | Yes | No |
| Max rated brightness | 500 nits | 1000 nits |
| Max rated brightness in HDR | 1100 nits | - |
| 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 |
Peak brightness test (auto)
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 g (6.77 oz) | 190 g (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 shading units | 1024 | 768 |
| GPU clock | 840 MHz | 627 MHz |
| FLOPS | ~1622 GFLOPS | ~1036.8 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 172607 | 181414 |
| GPU | 115432 | 178991 |
| Memory | 118133 | 117078 |
| UX | 160667 | 142747 |
| Total score | 568602 | 624212 |
3DMark Wild Life Performance
| Max surface temperature | 48.8 °C | 50.7 °C |
| Stability | 55% | 97% |
| Graphics test | 34 FPS | 14 FPS |
| Graphics score | 5761 | 2401 |
PCMark 3.0
| Web score | 10625 | - |
| Video editing | 6059 | - |
| Photo editing | 25728 | - |
| Data manipulation | 11092 | - |
| Writing score | 15632 | - |
Memory
| 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 |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) | Android 10.0 (Can be upgraded to Android 12) |
| ROM | OxygenOS 13 | OxygenOS 12.1 |
| OS size | 35 GB | 27 GB |
Battery
| Capacity | 4500 mAh | 3800 mAh |
| Max 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 | 04:53 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
If the display, performance, gaming, connectivity, and software are more important to you, then choose the OnePlus 9 . But if the camera and design are more of a priority – go for the OnePlus 7T .