Asus ROG Phone II ZS660KL
#844
vivo iQOO Z9 (China)
#924Category Breakdown
Asus ROG Phone II ZS660KL
vivo iQOO Z9 (China)
Performance
89.889.3
Camera
69.253.3
Display
92.298.6
Battery
37.737.7
Build
80.20.2
Connectivity
74.484.1
Audio
99.887.6
Overall
68.066.3
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, weighing 240g, while the vivo iQOO Z9 is lighter at 194.6g with a sleek design.
- The ROG Phone II has a 6.59-inch AMOLED display with a 120Hz refresh rate, whereas the iQOO Z9 offers a larger 6.78-inch AMOLED display with a higher 144Hz refresh rate and a resolution of 1260 x 2800 pixels.
- In terms of performance, the ROG Phone II is powered by the Snapdragon 855+ chipset, while the iQOO Z9 utilizes the newer Snapdragon 7 Gen 3, providing enhanced efficiency.
- Camera-wise, the iQOO Z9 boasts a 50 MP rear camera compared to the ROG Phone II's 48 MP, with both lacking optical image stabilization.
- Both devices have a 6000 mAh battery, but the iQOO Z9 supports faster 80W charging.
- The ROG Phone II runs on Android 9 with ROG UI, while the iQOO Z9 operates on the more recent Android 14 with OriginOS 4.
Side-by-side Specification Comparison
Asus ROG Phone II ZS660KL
vivo iQOO Z9 (China)
General
Release Date
2019
2024, April 24
Announced
2019, July 22
2024, April 24
Description
Also known as Asus ROG Phone2 ZS660KL
N/A
Display
Size
6.59"
6.78"
Type
AMOLED, 1B colors, 120Hz, HDR10
AMOLED, 1B colors, 144Hz, HDR, 4500 nits (peak)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
1260 x 2800 pixels, 20:9 ratio (~453 ppi density)
PPI
1080
1260
Refresh Rate
120Hz
144Hz
HDR Support
✓
✓
Protection
Corning Gorilla Glass 6
N/A
Performance
Chipset
Qualcomm SM8150 Snapdragon 855+ (7 nm)
Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Octa-core (1x2.63 GHz Cortex-A715 & 4x2.4 GHz Cortex-A715 & 3x1.8 GHz Cortex-A510)
GPU
Adreno 640 (700 MHz)
Adreno 720
Memory
128GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF13 MP, f/2.4, 11mm (ultrawide)
50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF2 MP, f/2.4, (depth)
Main Camera Features
Laser AF, LED flash, HDR, panorama
LED flash, panorama, HDR
Front Camera
24MP, f/2.2, 0.9µm
16 MP, f/2.5, (wide), 1/3.0", 1.0µm
Front Camera Features
Panorama, HDR
N/A
Video Recording
4K@30/60fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS (except @240/480fps)
4K@30fps, 1080p, gyro-EIS
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
6000 mAh
Battery Details
Li-Po 6000 mAh, non-removable
6000 mAh
Charging Details
30W wired10W reverse wired, QC4
80W wired7.5W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
163.7 x 75.9 x 8 mm (6.44 x 2.99 x 0.31 in)
Weight
240 g
194.6 g
Materials
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame
N/A
Colors
Matte Black, Glossy Black
Black, White, Green
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
HSPA, LTE, 5G
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
Bluetooth
5.0, A2DP, LE, aptX HD
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
NFC
✓
✓
USB
USB Type-C 3.1, accessory connector, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with DTS:X stereo speakers (2 dedicated amplifiers)
Yes, with stereo speakers
Audio Jack
Yes
No
Software & Security
Operating System
Android 9.0 (Pie), ROG UI
Android 14, OriginOS 4
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass