Realme GT Explorer Master vs OnePlus 9 Pro: A Deep Dive into Performance and Endurance

The Realme GT Explorer Master and OnePlus 9 Pro represent different approaches to the flagship smartphone experience. The OnePlus 9 Pro, launched at a premium price point, aimed for all-around excellence. The Realme GT Explorer Master, however, arrived as a more value-focused contender, prioritizing performance and battery life. This comparison dissects their key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing battery life and value, the Realme GT Explorer Master emerges as the winner. Its significantly superior endurance rating (117h vs 86h) and comparable performance from the Snapdragon 870, coupled with faster charging, make it a compelling choice. The OnePlus 9 Pro offers a slightly more refined experience, but at a cost.

PHONES
Phone Names Realme GT Explorer Master OnePlus 9 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU
5G bands1, 3, 5, 8, 28, 41, 77, 78 SA/NSA1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 CDMA2000 1xEV-DO 1, 3, 28, 41, 78, 79 SA/NSA - CN
Launch
Announced2021, July 212021, March 23
StatusAvailable. Released 2021, July 27Available. Released 2021, March 30
Body
BuildGlass front (Gorilla Glass 5), plastic back, aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions159.9 mm x 72.5 mm x 8.0/8.8 mm (depending on color)163.2 x 73.6 x 8.7 mm (6.43 x 2.90 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight183.5/185 g (depending on color) (6.49 oz)197 g (6.95 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~402 ppi density)1440 x 3216 pixels, 20:9 ratio (~525 ppi density)
Size6.55 inches, 103.6 cm2 (~89.3% screen-to-body ratio)6.7 inches, 108.4 cm2 (~90.3% screen-to-body ratio)
TypeSuper AMOLED, 120Hz, HDR10+, 1100 nits (peak)LTPO Fluid2 AMOLED, 1B colors, 120Hz, HDR10+, 1300 nits (peak)
 -Always-on display
Platform
CPUOcta-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55
ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 650Adreno 660
OSAndroid 11, Realme UI 2.0Android 11, upgradable to Android 14, OxygenOS 14
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFSUFS 3.1
Main Camera
FeaturesDual-LED flash, HDR, panoramaLaser AF, color spectrum sensor, Hasselblad Color Calibration, dual-LED flash, HDR, panorama
Quad-48 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)
Single32 MP, f/2.5, 26mm (wide), 1/2.74", 0.8µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Triple50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.09", 1.0µm 2 MP (macro)-
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesPanorama, HDRHDR
Single32 MP, f/2.5, 26mm (wide), 1/2.74", 0.8µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE5.2, A2DP, LE, aptX HD
NFCYesYes
PositioningGPS (L1+L5), GLONASS, BDS, GALILEO, QZSSGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging65W wired, 50% in 13 min, 100% in 33 min65W wired, PD, 100% in 29 min 50W wireless, 100% in 43 min 5W reverse wireless
Type4500 mAhLi-Po 4500 mAh
Misc
ColorsGray, White, Aurora, ApricotMorning Mist, Forest Green, Stellar Black
ModelsRMX3366LE2121, LE2125, LE2123, LE2120, LE2127
PriceAbout 380 EUR€ 246.17 / $ 264.95 / £ 287.00
Tests
Battery life Endurance rating 117h Endurance rating 86h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -25.6 LUFS (Very good) -24.1 LUFS (Very good)
Performance AnTuTu: 717879 (v9) GeekBench: 3050 (v5.1) GFXBench: 50fps (ES 3.1 onscreen)-

Realme GT Explorer Master

  • Significantly longer battery life (117h endurance)
  • Faster charging (33 minutes to 100%)
  • More efficient Snapdragon 870 chipset

  • Lacks wireless charging
  • Potentially less refined camera software

OnePlus 9 Pro

  • Wireless charging support (50W)
  • Potentially superior camera image processing
  • More premium brand perception

  • Significantly shorter battery life (86h endurance)
  • Snapdragon 888 can throttle under sustained load
  • Higher price point

Display Comparison

Both devices feature excellent displays, with the OnePlus 9 Pro achieving 859 nits of peak brightness and the Realme GT Explorer Master reaching 805 nits. While the difference is measurable, it’s unlikely to be noticeable in most real-world scenarios. Both displays offer an 'infinite' (nominal) contrast ratio, typical of OLED panels. Neither specification details refresh rate or panel technology (LTPO), but both are expected to offer smooth scrolling and vibrant colors. The OnePlus 9 Pro’s slightly higher peak brightness may provide a marginal advantage in direct sunlight.

Camera Comparison

Both phones offer capable camera systems, but detailed sensor information is lacking in the provided data. Both are described as having 'Photo / Video' capabilities. The OnePlus 9 Pro’s Hasselblad partnership suggests a focus on color science and image processing, but without sensor size or aperture details, it’s difficult to definitively assess its advantage. The Realme GT Explorer Master, while potentially lacking the same level of software refinement, likely delivers competitive image quality given the Snapdragon 870’s image signal processor (ISP). The absence of details on optical image stabilization (OIS) makes it impossible to compare stabilization performance.

Performance

The core difference lies in the chipsets. The OnePlus 9 Pro utilizes the Snapdragon 888 (5nm), while the Realme GT Explorer Master features the Snapdragon 870 (7nm). While the 888 boasts a higher clock speed on its prime core (2.84 GHz vs 3.2 GHz on the 870), the 870’s more efficient 7nm process and optimized architecture often translate to comparable real-world performance, particularly in sustained workloads. The 888’s Cortex-X1 core offers theoretical peak performance, but the 870’s Kryo 585 cores provide a balanced and efficient experience. The Realme GT Explorer Master’s thermal management is likely superior due to the 870’s lower heat output, potentially reducing throttling during extended gaming sessions.

Battery Life

This is where the Realme GT Explorer Master truly shines. Its endurance rating of 117 hours significantly surpasses the OnePlus 9 Pro’s 86 hours. While the OnePlus 9 Pro offers both 65W wired charging, 50W wireless charging, and 5W reverse wireless charging, the Realme GT Explorer Master’s 65W wired charging is faster, reaching 100% in 33 minutes compared to the OnePlus 9 Pro’s 29 minutes. The difference is marginal, but the Realme’s superior battery life means you’ll need to charge it less frequently. The OnePlus 9 Pro’s wireless charging is a convenience feature the Realme lacks.

Buying Guide

Buy the Realme GT Explorer Master if you need exceptional battery life, fast charging, and strong gaming performance without breaking the bank. It’s ideal for power users and mobile gamers who demand endurance. Buy the OnePlus 9 Pro if you prioritize a more polished software experience, potentially better camera image processing (though sensor size is comparable), and wireless charging convenience, and are willing to pay a premium for those features.

Frequently Asked Questions

❓ Does the Snapdragon 870 in the Realme GT Explorer Master struggle with demanding games like Genshin Impact?
No, the Snapdragon 870 is a highly capable chipset that handles Genshin Impact and other demanding games very well. Its efficient architecture and thermal management prevent significant throttling, providing a consistently smooth gaming experience. While the Snapdragon 888 in the OnePlus 9 Pro has a theoretical performance edge, the 870 often delivers a more stable experience over extended gaming sessions.
❓ How much does the faster charging of the Realme GT Explorer Master actually matter in daily use?
The Realme GT Explorer Master’s 33-minute full charge time is noticeably faster than the OnePlus 9 Pro’s 29 minutes, but the real benefit comes from the ability to quickly top up the battery when you have limited time. More importantly, the significantly larger battery capacity and endurance mean you’ll need to charge less often overall, reducing reliance on fast charging.
❓ Is the lack of wireless charging on the Realme GT Explorer Master a dealbreaker?
For users who heavily rely on wireless charging, it could be. However, the Realme GT Explorer Master’s superior battery life and faster wired charging mitigate this drawback. Wired charging is generally faster and more efficient, and the convenience of wireless charging is often outweighed by the benefits of longer battery life.