Category Breakdown
Asus ROG Phone II ZS660KL
Lenovo Legion Duel
Performance
64.873.0
Camera
47.948.7
Display
88.588.5
Battery
68.067.5
Build
72.872.8
Overall
66.669.2
Summary
- The Asus ROG Phone II ZS660KL features a robust build with Gorilla Glass 6 on the front and Gorilla Glass 3 on the back, while the Lenovo Legion Duel has a similar glass and aluminum design but is slightly lighter.
- In terms of display, the ROG Phone II offers a 6.59-inch AMOLED screen with a 120Hz refresh rate, whereas the Legion Duel has a slightly larger 6.65-inch AMOLED display with a higher 144Hz refresh rate.
- Performance-wise, the Legion Duel is powered by the Snapdragon 865 5G+, providing superior processing capabilities compared to the Snapdragon 855+.
- The camera setup on the Legion Duel includes a 64 MP main sensor, outperforming the ROG Phone II's 48 MP, while both devices lack optical image stabilization.
- Battery capacity is higher in the ROG Phone II at 6000 mAh, compared to the Legion Duel's 5000 mAh, but the latter supports faster 65W charging.
- Software experience differs as well, with the ROG Phone II running Android 9 with ROG UI and the Legion Duel utilizing Android 10 with Legion OS.
Side-by-side Specification Comparison
Asus ROG Phone II ZS660KL
Lenovo Legion Duel
General
Release Date
2019
2020, July 22
Announced
2019, July 22
2020, July 22
Description
Also known as Asus ROG Phone2 ZS660KL
Also known as Lenovo Legion Phone Duel
Display
Size
6.59"
6.65"
Type
AMOLED, 1B colors, 120Hz, HDR10
AMOLED, 144Hz, HDR10+
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~388 ppi density)
PPI
1080
1080
Refresh Rate
120Hz
144Hz
Peak Brightness
N/A
N/A
HDR Support
✓
✓
Protection
Corning Gorilla Glass 6
N/A
Performance
Chipset
Qualcomm SM8150 Snapdragon 855+ (7 nm)
Qualcomm SM8250 Snapdragon 865 5G+ (7 nm+)
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Octa-core (1x3.09 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
GPU
Adreno 640 (700 MHz)
Adreno 650
Memory
128GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
256GB 12GB RAM, 512GB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
48 MP
64 MP
Main Camera Details
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF13 MP, f/2.4, 11mm (ultrawide)
64 MP, f/1.9, 25mm (wide), 1/1.72", 0.8µm, PDAF16 MP, f/2.2, 120˚, 16mm (ultrawide)
Front Camera
24 MP
20 MP
Front Camera Details
24MP, f/2.2, 0.9µm
Motorized pop-up 20 MP, f/2.2, 25mm (wide), 1/3.1", 0.9µm
Video Recording
4K@30/60fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS (except @240/480fps)
4K@30fps gyro-EIS
Selfie Video
1080p@30fps
4K@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
6000 mAh
5000 mAh
Battery Details
Li-Po 6000 mAh, non-removable
Li-Po 5000 mAh
Charging Details
30W wired10W reverse wired, QC4
65W wired, (128GB 12GB RAM, 256GB 12GB RAM models)90W wired, 50% in 10 min, 100% in 30 min (512GB 16GB RAM model)
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
169.2 x 78.5 x 9.9 mm (6.66 x 3.09 x 0.39 in)
Weight
240 g
239 g
Materials
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame
Glass front, glass back, aluminum frame
Water Resistance
N/A
N/A
Colors
Matte Black, Glossy Black
Vengeance Red, Blazing Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
HSPA 42.2/5.76 Mbps, LTE (4CA) Cat15 800/210 Mbps, 5G 2.5 Gbps DL
5G
✗
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/ad, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, aptX HD
5.0, A2DP, LE, aptX HD, aptX Adaptive
NFC
✓
✓
USB
USB Type-C 3.1, accessory connector, OTG
USB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Software
Operating System
Android 9.0 (Pie), ROG UI
Android 10, Legion OS/ ZUI12
OS Version
Android 9.0 (Pie), ROG UI
Android 10, Legion OS/ ZUI12
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with DTS:X stereo speakers (2 dedicated amplifiers)
Yes, with stereo speakers
Audio Jack
Yes
No

