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ROG Phone II ZS660KL vs 8

Asus ROG Phone II ZS660KL vs OnePlus 8

What ROG Phone II ZS660KL does better (7) and where 8 wins (9) — every spec side by side.

Asus · 2019ROG Phone II ZS660KL

8.1Score

7 advantages≈ $1,150

Higher score

OnePlus · 20208

8.0Score

9 advantages≈ $910

7.6Display7.4

6.0Performance6.7

7.4Camera8.3

7.6Battery3.2

7.8Features8.7

Dimensions

Size comparison

ROG Phone II ZS660KL8

	ROG Phone II ZS660KL	8	Difference
Height	171 mm	160.2 mm	+10.8 mm
Width	77.6 mm	72.9 mm	+4.7 mm
Thickness	9.5 mm	8 mm	+1.5 mm
Weight	240 g	180 g	+60 g

Drawn to the same scale from the official dimensions (front and side).

Why is ROG Phone II ZS660KL better than 8?

Storage (max)1,024 GB vs 256 GB4×
Battery capacity6,000 mAh vs 4,300 mAh+40%
Refresh rate120 Hz vs 90 Hz+33%
3.5 mm headphone jackYes · 8: No
CPU frequency2.96 GHz vs 2.84 GHz+4%
Selfie camera24 MP vs 16 MP+50%
Loudspeaker loudness-19.5 LUFS vs -22.5 LUFS+-13%

Why is 8 better than ROG Phone II ZS660KL?

AnTuTu score398,935 vs 564,708+42%
Optical stabilisationNo · ROG Phone II ZS660KL: Yes
Geekbench 6 (multi-core)10,923 vs 13,291+22%
Weight240 g vs 180 g+33%
Measured brightness626 nits vs 803 nits+28%
Pixel density391 ppi vs 402 ppi+3%
Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
Thickness9.5 mm vs 8 mm+19%
Screen-to-body ratio80.3% vs 88.7%+10%

Specifications

Side by side

Only differences	Asus ROG Phone II ZS660KL≈ $1,1508.1	OnePlus 8≈ $9108.0
Design
Weight	240 g	180 g
Thickness	9.5 mm	8 mm
Height	171 mm	160.2 mm
Width	77.6 mm	72.9 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Glass protection	Corning Gorilla Glass 6	Corning Gorilla Glass 5
Colours	Matte Black, Glossy Black	Onyx Black, Glacial Green, Interstellar Glow, Polar Silver
Display
Screen size	6.6″	6.6″
Panel	AMOLED	Fluid AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,340 px	2,400 px
Pixel density	391 ppi	402 ppi
Refresh rate	120 Hz	90 Hz
Peak brightness	—	1,300 nits
Measured brightness	626 nits	803 nits
Screen-to-body ratio	80.3%	88.7%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8150 Snapdragon 855+	Qualcomm SM8250 Snapdragon 865 5G
Chip maker	Qualcomm	Qualcomm
Process	7 nm	7 nm
CPU cores	8	8
CPU frequency	2.96 GHz	2.84 GHz
GPU	Adreno 640	Adreno 650
AnTuTu score	398,935	564,708
Geekbench 6 (multi-core)	10,923	13,291
3DMark Wild Life Extreme	—	1,116
Memory
RAM	12 GB	12 GB
Storage (max)	1,024 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.0	UFS 3.0
Memory card slot	No	No
Camera
Main camera	48 MP	48 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/2.0"	1/2.0"
Rear cameras	2	2
Optical stabilisation	No	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	4K	4K
4K video frame rate	60 fps	60 fps
Selfie camera	24 MP	16 MP
4K selfie video	No	No
Battery
Battery capacity	6,000 mAh	4,300 mAh
Battery type	Li-Po	Li-Po
Wired charging	30 W	30 W
Charged in 30 min	—	68%
Wireless charging	No	No
Connectivity
5G	—	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 6
Bluetooth	5	5.1
NFC	Yes	Yes
USB	USB Type-C 3.1	USB Type-C 3.1
USB version	3.1	3.1
Video output	—	Yes
Dual-band GPS	Yes	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	Yes	No
Loudspeaker loudness	-19.5 LUFS	-22.5 LUFS
Fingerprint sensor	Under display	Under display
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launch	Android 9.0 (Pie)	Android 10
Platform	Android	Android
Interface	ROG UI	OxygenOS 13