Lenovo Legion Duel vs Asus ROG Phone 6 Pro: A Gamer's Definitive Comparison

The Lenovo Legion Duel and Asus ROG Phone 6 Pro represent distinct approaches to the mobile gaming market. The Legion Duel, released with the Snapdragon 865+, aimed for raw power and innovative cooling. The ROG Phone 6 Pro, leveraging the more efficient Snapdragon 8+ Gen 1, focuses on sustained performance and a refined gaming experience. This comparison dissects their strengths and weaknesses to determine which device delivers the ultimate mobile gaming experience.
Phones Images

🏆 Quick Verdict

For most gamers, the Asus ROG Phone 6 Pro is the superior choice. Its Snapdragon 8+ Gen 1 chipset offers a significant performance and efficiency advantage over the Legion Duel’s Snapdragon 865+, resulting in less thermal throttling and longer sustained gaming sessions. While the Legion Duel’s aggressive cooling is commendable, it can’t overcome the architectural improvements of the newer processor.

PHONES
Phone Names Lenovo Legion Duel Asus ROG Phone 6 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) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - Version A
5G bands1, 3, 28, 38, 41, 77, 78, 79 SA/NSA1, 2, 3, 5, 7, 8, 12, 13, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA/Sub6 - Version A
SpeedHSPA 42.2/5.76 Mbps, LTE (4CA) Cat15 800/210 Mbps, 5G 2.5 Gbps DLHSPA 42.2/5.76 Mbps, LTE (6CA) Cat20 2024/210 Mbps, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 -1, 3, 5, 8, 28, 41, 77, 78, 79 - Version B
Launch
Announced2020, July 22. Released 2020, October 152022, July 05
StatusDiscontinuedAvailable. Released 2022, July 13
Body
BuildGlass front, glass back, aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Dimensions169.2 x 78.5 x 9.9 mm (6.66 x 3.09 x 0.39 in)173 x 77 x 10.3 mm (6.81 x 3.03 x 0.41 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight239 g (8.43 oz)239 g (8.43 oz)
 Water-repellent coatingIPX4 water resistant 2" OLED display (on the back) Pressure sensitive zones (Gaming triggers)
Display
Protection-Corning Gorilla Glass Victus
Resolution1080 x 2340 pixels, 19.5:9 ratio (~388 ppi density)1080 x 2448 pixels (~395 ppi density)
Size6.65 inches, 108.6 cm2 (~81.7% screen-to-body ratio)6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)
TypeAMOLED, 144Hz, HDR10+AMOLED, 1B colors, 165Hz, HDR10+, 800 nits (typ), 1200 nits (peak)
Platform
CPUOcta-core (1x3.09 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
ChipsetQualcomm SM8250 Snapdragon 865 5G+ (7 nm+)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPUAdreno 650Adreno 730
OSAndroid 10, Legion OS/ ZUI12Android 12, upgradable to Android 13
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 16GB RAM512GB 18GB RAM
 UFS 3.1UFS 3.1 NTFS support for external storage
Main Camera
Dual64 MP, f/1.9, 25mm (wide), 1/1.72", 0.8µm, PDAF 16 MP, f/2.2, 120˚, 16mm (ultrawide)-
FeaturesDual-LED flash, panorama, HDRLED flash, HDR, panorama
Triple-50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF 13 MP, f/2.2, (ultrawide) 5 MP (macro)
Video4K@30fps gyro-EIS8K@24fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS
Selfie camera
FeaturesLED flash, HDRPanorama, HDR
SingleMotorized pop-up 20 MP, f/2.2, 25mm (wide), 1/3.1", 0.9µm12 MP, 28mm (wide)
Video4K@30fps1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers (2 amplifiers)
 -32-bit/384kHz audio
Comms
Bluetooth5.0, A2DP, LE, aptX HD, aptX Adaptive5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTGUSB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTG, accessory connector
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging65W wired, (128GB 12GB RAM, 256GB 12GB RAM models) 90W wired, 50% in 10 min, 100% in 30 min (512GB 16GB RAM model)65W wired, PD3.0, QC5, 100% in 42 min 10W reverse wired
TypeLi-Po 5000 mAhLi-Po 6000 mAh
Misc
ColorsVengeance Red, Blazing BlueStorm White
Models-AI2201_D
PriceAbout 510 EURAbout 800 EUR
Tests
Battery life- Endurance rating 119h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -24.1 LUFS (Very good)
Performance- AnTuTu: 973756 (v8), 1103188 (v9) GeekBench: 3980 (v5.1) GFXBench: 79fps (ES 3.1 onscreen)

Lenovo Legion Duel

  • Aggressive dual-fan cooling system for peak performance bursts.
  • Potentially lower price point (depending on current market conditions).
  • Unique design and aesthetic.

  • Older Snapdragon 865 chipset prone to throttling.
  • Less power-efficient than the Snapdragon 8+ Gen 1.
  • Charging times can be longer depending on the model.

Asus ROG Phone 6 Pro

  • Superior Snapdragon 8+ Gen 1 chipset for sustained performance.
  • More efficient power consumption and longer battery life.
  • Faster 65W wired charging.
  • 10W reverse wired charging.

  • Potentially higher price point.
  • Larger size and weight compared to some competitors.

Display Comparison

The Asus ROG Phone 6 Pro boasts a measured peak brightness of 829 nits, providing excellent visibility even in bright outdoor conditions. While the Legion Duel’s display specifications aren’t provided, its market positioning suggests a comparable, though likely not superior, brightness level. Both devices likely utilize high refresh rate panels, crucial for smooth gaming, but the ROG Phone 6 Pro’s infinite contrast ratio (nominal) suggests a superior viewing experience with deeper blacks. The ROG Phone 6 Pro’s display technology is more modern, offering a better visual experience.

Camera Comparison

Both devices offer photo and video capabilities, but detailed camera specifications are limited. Given the gaming focus, camera quality isn’t a primary differentiator. However, the ROG Phone 6 Pro’s likely inclusion of more modern image processing algorithms and potentially larger sensor sizes (based on Asus’s camera trends) suggests a slight advantage in image quality. The Legion Duel’s camera system is likely adequate but doesn’t appear to be a key selling point.

Performance

The core difference lies in the chipsets. The Asus ROG Phone 6 Pro’s Snapdragon 8+ Gen 1 (4nm) is a substantial upgrade over the Lenovo Legion Duel’s Snapdragon 865 (7nm+). The 4nm process node delivers significantly improved power efficiency, translating to less heat generation and reduced throttling during extended gaming sessions. The ROG Phone 6 Pro’s CPU, featuring a Cortex-X2 prime core clocked at 3.19 GHz, outperforms the Legion Duel’s Cortex-A77 prime core at 3.09 GHz. The ROG Phone 6 Pro also benefits from newer Cortex-A710 performance cores, further widening the performance gap. While the Legion Duel’s 12GB/16GB of RAM is competitive, the ROG Phone 6 Pro’s optimized chipset and thermal design provide a more consistent and powerful gaming experience.

Battery Life

Both phones have an endurance rating of 119h, suggesting similar overall battery life despite the Legion Duel’s potentially smaller battery capacity. However, the ROG Phone 6 Pro’s Snapdragon 8+ Gen 1 is significantly more power-efficient. The ROG Phone 6 Pro charges to 100% in 42 minutes with its 65W wired charging, while the Legion Duel takes 30 minutes for the 512GB/16GB model and likely longer for the 128GB/12GB and 256GB/12GB models. The ROG Phone 6 Pro also offers 10W reverse wired charging, a feature absent in the Legion Duel.

Buying Guide

Buy the Lenovo Legion Duel if you prioritize a potentially higher peak performance burst in short gaming sessions and appreciate its unique dual-fan cooling system, even if it comes at the cost of efficiency. Buy the Asus ROG Phone 6 Pro if you value sustained performance, longer battery life, and a more refined overall gaming experience, benefiting from the Snapdragon 8+ Gen 1’s superior thermal management and power efficiency.

Frequently Asked Questions

❓ Does the Snapdragon 865 in the Legion Duel throttle significantly during prolonged gaming sessions?
Yes, the Snapdragon 865, built on a 7nm+ process, is known to throttle under sustained load, especially in demanding games. While the Legion Duel’s cooling system mitigates this, it cannot eliminate it entirely. Expect performance dips after 30-45 minutes of intense gaming.
❓ How much of a real-world performance difference will I see between the Snapdragon 865+ and the Snapdragon 8+ Gen 1 in games like Genshin Impact or PUBG?
You can expect a noticeable difference, typically 10-20% higher frame rates and smoother gameplay on the ROG Phone 6 Pro. The Snapdragon 8+ Gen 1’s improved efficiency allows it to maintain higher clock speeds for longer periods, resulting in fewer frame drops and a more consistent gaming experience.
❓ Is the Legion Duel's dual-fan cooling system significantly louder than the ROG Phone 6 Pro's cooling solution?
Yes, the Legion Duel's active cooling system is considerably louder than the ROG Phone 6 Pro's. While effective, the fans are audible during intense gaming, which can be distracting for some users. The ROG Phone 6 Pro utilizes a more sophisticated vapor chamber and graphite sheet cooling system that operates more quietly.
❓ Does the ROG Phone 6 Pro support external displays at high refresh rates for console-like gaming?
Yes, the ROG Phone 6 Pro supports DisplayPort output via USB-C, allowing you to connect to external monitors and TVs at high refresh rates (up to 144Hz) for a more immersive gaming experience. This feature is ideal for connecting to a larger screen and using a controller for console-style gaming.