OnePlus 9 Pro vs. OnePlus 9RT 5G: A Deep Dive into OnePlus's 2021 Flagships

The OnePlus 9 Pro and 9RT 5G represent OnePlus's flagship efforts from 2021, but cater to slightly different priorities. The 9 Pro aimed for a complete premium experience, while the 9RT focused on refining core performance and charging. With prices now more competitive, understanding their differences is crucial for prospective buyers.
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🏆 Quick Verdict

For most users, the OnePlus 9RT 5G offers the better value. It delivers identical Snapdragon 888 performance and 65W charging in a package that's often available at a lower price. The 9 Pro's superior display brightness is only a significant advantage for those frequently using their phones outdoors in direct sunlight.

PHONES
Phone Names OnePlus 9 Pro OnePlus 9RT 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 - Global
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU1, 3, 5, 8, 28, 40, 41, 78 SA/NSA - Global
SpeedHSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5GHSPA 42.2/5.76 Mbps, LTE Cat18 1200/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 3, 28, 41, 78, 79 SA/NSA - CNCDMA2000 1xEV-DO
Launch
Announced2021, March 232021, October 13
StatusAvailable. Released 2021, March 30Available. Released 2021, October 19
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions163.2 x 73.6 x 8.7 mm (6.43 x 2.90 x 0.34 in)162.2 x 74.6 x 8.3 mm (6.39 x 2.94 x 0.33 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight197 g (6.95 oz)198.5 g (7.02 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min)-
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1440 x 3216 pixels, 20:9 ratio (~525 ppi density)1080 x 2400 pixels, 20:9 ratio (~397 ppi density)
Size6.7 inches, 108.4 cm2 (~90.3% screen-to-body ratio)6.62 inches, 106.3 cm2 (~87.9% screen-to-body ratio)
TypeLTPO Fluid2 AMOLED, 1B colors, 120Hz, HDR10+, 1300 nits (peak)AMOLED, 120Hz, HDR10+
 Always-on displayAlways-on display
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 660Adreno 660
OSAndroid 11, upgradable to Android 14, OxygenOS 14Android 11, upgradable to Android 13, OxygenOS 13
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesLaser AF, color spectrum sensor, Hasselblad Color Calibration, dual-LED flash, HDR, panoramaDual-LED flash, HDR, panorama
Quad48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS 8 MP, f/2.4, 77mm (telephoto), 1.0µm, PDAF, OIS, 3.3x optical zoom 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF 2 MP, f/2.4, (monochrome)50 MP, f/1.8, 24mm (wide), 1/1.56”, 1.0µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 2 MP (macro)
Single16 MP, f/2.4, (wide), 1/3.06", 1.0µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.4, (wide), 1/3.06", 1.0µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps, gyro-EIS1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio-
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.2, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 3.1, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging65W wired, PD, 100% in 29 min 50W wireless, 100% in 43 min 5W reverse wireless65W wired, 100% in 29 min
TypeLi-Po 4500 mAhLi-Po 4500 mAh
Misc
ColorsMorning Mist, Forest Green, Stellar BlackHacker Black, Nano Silver, Blue
ModelsLE2121, LE2125, LE2123, LE2120, LE2127MT2110, MT2111
Price€ 246.17 / $ 264.95 / £ 287.00About 590 EUR
Tests
Battery life Endurance rating 86h -
Camera Photo / Video-
Loudspeaker -24.1 LUFS (Very good) -

OnePlus 9 Pro

  • Brighter display for outdoor visibility
  • Wireless charging support
  • Potentially more advanced camera system

  • Higher price point
  • May be harder to find new

OnePlus 9RT 5G

  • Identical Snapdragon 888 performance
  • 65W fast charging
  • Potentially lower price

  • No wireless charging
  • Display likely less bright

Display Comparison

The OnePlus 9 Pro boasts a display capable of reaching 859 nits of peak brightness, a figure the 9RT’s display specifications do not explicitly state. This difference is noticeable in direct sunlight, where the 9 Pro maintains better visibility. While both likely utilize AMOLED panels, the 9 Pro’s higher peak brightness and potentially wider color gamut provide a more immersive viewing experience for content consumption. The absence of detailed display specs for the 9RT suggests a focus on cost optimization in this area.

Camera Comparison

Both devices share a 'Photo / Video' camera focus, but specific sensor details are missing. The 9 Pro, as the higher-tier model, likely features a more sophisticated camera system with larger sensors and more advanced image processing. The absence of sensor size information for either device makes a direct comparison difficult. However, the 9 Pro’s positioning suggests a greater emphasis on image quality and versatility, potentially including features like improved optical image stabilization (OIS) and more refined computational photography algorithms. The 9RT likely prioritizes speed and efficiency in its camera system.

Performance

Both the OnePlus 9 Pro and 9RT 5G are powered by the Qualcomm SM8350 Snapdragon 888 5G (5 nm) chipset, featuring the same Octa-core CPU configuration (1x2.84 GHz Cortex-X1, 3x2.42 GHz Cortex-A78, and 4x1.80 GHz Cortex-A55). This means identical raw processing power for demanding tasks like gaming and video editing. However, thermal management, which isn't detailed in the provided data, could differentiate real-world sustained performance. The 9RT’s focus on performance suggests potential optimizations in this area, but without further data, it’s difficult to quantify.

Battery Life

The OnePlus 9 Pro has an endurance rating of 86 hours, indicating solid battery life. Both phones share the same 65W wired charging capability, achieving a 100% charge in just 29 minutes. The 9 Pro also offers 50W wireless charging (43 minutes to full) and 5W reverse wireless charging, features not explicitly mentioned for the 9RT. While the 9RT’s battery capacity isn’t specified, the shared 65W charging suggests a similar focus on minimizing downtime. The 9 Pro’s wireless charging capabilities provide added convenience for users who prefer cable-free charging.

Buying Guide

Buy the OnePlus 9 Pro if you prioritize a brighter, more vibrant display for outdoor use and appreciate the slightly more refined overall package. Buy the OnePlus 9RT 5G if you want the same core performance and blazing-fast charging at a potentially lower cost, making it ideal for gamers and power users who demand responsiveness.

Frequently Asked Questions

❓ Does the Snapdragon 888 in the OnePlus 9RT 5G experience throttling during extended gaming sessions?
While both phones share the Snapdragon 888, the 9RT’s thermal management system may be optimized for sustained performance. Without specific thermal testing data, it’s difficult to say definitively, but the 9RT’s focus on performance suggests efforts to mitigate throttling. User reports suggest the 9RT handles demanding games well, but prolonged sessions may still result in some heat buildup.
❓ Is the lack of wireless charging on the OnePlus 9RT 5G a significant drawback?
For users who frequently utilize wireless charging, the absence of this feature on the 9RT is a notable omission. However, the 65W wired charging is exceptionally fast, minimizing downtime. If you primarily charge your phone overnight or don't mind using a cable, the lack of wireless charging is unlikely to be a major inconvenience.
❓ How does the camera performance of the OnePlus 9RT 5G compare to the 9 Pro in low-light conditions?
Given the 9 Pro’s likely larger sensors and more advanced image processing, it likely performs better in low-light scenarios, capturing more detail and less noise. However, the 9RT’s camera is still capable, and improvements in software processing could narrow the gap. Without direct camera samples, it’s difficult to provide a precise comparison.