Asus
Asus ROG Phone II ZS660KL1,003 views
Side-by-side comparison
Asus ROG Phone II ZS660KL vs Samsung Galaxy S25 Ultra 5G
Samsung
Samsung Galaxy S25 Ultra 5GWins 2 specs
Asus ROG Phone II ZS660KL — quick specs
- NetworkLTE / HSPA / GSM
- Display6.59 inches · 1080×2340
- Camera48 MP
- Memory12 GB RAM
- Battery6000 mAh
- OSAndroid 9.0
Samsung Galaxy S25 Ultra 5G — quick specs
- Network5G / LTE / CDMA
- Display—
- Camera200 MP
- Memory512 GB
- Battery5000 mAh
- OSAndroid 15
● Full specification comparison
Spec
Asus ROG Phone II ZS660KL
Samsung Galaxy S25 Ultra 5G
NETWORK
Technology
GSM / HSPA / LTE
2G GSM / 3G WCDMA / 4G LTE / 5G
Technology
AGSM / HSPA / LTE
B2G GSM / 3G WCDMA / 4G LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
—
2G bands
AGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
B—
3G bands
HSDPA 850 / 900 / 1900 / 2100
—
3G bands
AHSDPA 850 / 900 / 1900 / 2100
B—
4G bands
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46
—
4G bands
ALTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46
B—
Speed
HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
—
Speed
AHSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
B—
LAUNCH
Announced
2019, July
—
Announced
A2019, July
B—
Status
Coming soon. Exp. release 2019, September 20
Available. Released 2025
Status
AComing soon. Exp. release 2019, September 20
BAvailable. Released 2025
BODY
Dimensions
171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
H: 162.8 mm, W: 77.6 mm, D: 8.2 mm
Dimensions
A171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
BH: 162.8 mm, W: 77.6 mm, D: 8.2 mm
Weight
240 g (8.47 oz)
218 g
Weight
A240 g (8.47 oz)
B218 g
SIM
Dual SIM (Nano-SIM, dual stand-by)
1× or 2× nano-SIM and 2× eSIM
SIM
ADual SIM (Nano-SIM, dual stand-by)
B1× or 2× nano-SIM and 2× eSIM
Build
Front glass (Gorilla Glass 6), back glass, aluminum frame
Slate
Build
AFront glass (Gorilla Glass 6), back glass, aluminum frame
BSlate
DISPLAY
Type
AMOLED capacitive touchscreen, 16M colors
6.9 in (498 ppi),
Type
AAMOLED capacitive touchscreen, 16M colors
B6.9 in (498 ppi),
Size
6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
—
Size
A6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
B—
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
—
Resolution
A1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
B—
Protection
Corning Gorilla Glass 6 DCI-P3 108% HDR10 120 Hz 240 Hz touch-sensing
—
Protection
ACorning Gorilla Glass 6 DCI-P3 108% HDR10 120 Hz 240 Hz touch-sensing
B—
PLATFORM
OS
Android 9.0 (Pie), ROG UI
All except S25 FE: / Android 15, up to 7 major Android upgrades, One UI 7 / S25 FE: Android 16, up to 7 major Android upgrades, One UI 8.5
OS
AAndroid 9.0 (Pie), ROG UI
BAll except S25 FE: / Android 15, up to 7 major Android upgrades, One UI 7 / S25 FE: Android 16, up to 7 major Android upgrades, One UI 8.5
Chipset
Qualcomm SDM855 Snapdragon 855+ (7 nm)
All except S25 FE: Qualcomm Snapdragon 8 Elite For Galaxy (3 nm) / S25 FE: Samsung Exynos 2400
Chipset
AQualcomm SDM855 Snapdragon 855+ (7 nm)
BAll except S25 FE: Qualcomm Snapdragon 8 Elite For Galaxy (3 nm) / S25 FE: Samsung Exynos 2400
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
2x 4.47 GHz Oryon (Phoenix L) and 6x 3.53 GHz Oryon (Phoenix M)
CPU
AOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
B2x 4.47 GHz Oryon (Phoenix L) and 6x 3.53 GHz Oryon (Phoenix M)
GPU
Adreno 640 (700 MHz)
Adreno 830
GPU
AAdreno 640 (700 MHz)
BAdreno 830
MEMORY
Card slot
No
No
Card slot
ANo
BNo
Internal
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
256/512 GB, 1 TB
Internal
A256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
B256/512 GB, 1 TB
MAIN CAMERA
Dual
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF, Laser AF 13 MP, f/2.4, 11mm (ultrawide)"
—
Dual
A48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF, Laser AF 13 MP, f/2.4, 11mm (ultrawide)"
B—
Video
—
4K@30/60fps, 1080p@30/60/120/240fps
Video
A—
B4K@30/60fps, 1080p@30/60/120/240fps
Single
—
200 MP, f/1.7, 24mm (wide), 1/1.3",
Single
A—
B200 MP, f/1.7, 24mm (wide), 1/1.3",
SELFIE CAMERA
Single
24MP, f/2.2, 0.9µm"
12 MP, f/2.2, 26mm (wide), 1.12μm, dual pixel PDAF / HDR, HDR10+ / 4K@30/60fps, 1080p@30fps
Single
A24MP, f/2.2, 0.9µm"
B12 MP, f/2.2, 26mm (wide), 1.12μm, dual pixel PDAF / HDR, HDR10+ / 4K@30/60fps, 1080p@30fps
SOUND
Loudspeaker
Yes, with stereo speakers (2 dedicated amplifiers)
Stereo speakers, Dolby Atmos
Loudspeaker
AYes, with stereo speakers (2 dedicated amplifiers)
BStereo speakers, Dolby Atmos
3.5mm jack
Yes
24-bit/192kHz audio
Active noise cancellation with dedicated mics
DTS Headphone X
No
3.5mm jack
AYes
24-bit/192kHz audio
Active noise cancellation with dedicated mics
DTS Headphone X
BNo
COMMS
WLAN
Wi-Fi 802.11 a/b/g/n/ac/ad, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band
WLAN
AWi-Fi 802.11 a/b/g/n/ac/ad, dual-band, Wi-Fi Direct, hotspot
BWi-Fi 802.11 a/b/g/n/ac/ax, dual-band
Bluetooth
5.0, A2DP, LE, aptX HD
5.x
Bluetooth
A5.0, A2DP, LE, aptX HD
B5.x
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Yes, with A-GPS, GLONASS, BDS, GALILEO
GPS
AYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
BYes, with A-GPS, GLONASS, BDS, GALILEO
USB
3.1, Type-C 1.0 reversible connector; accessory connector
USB Type-C
USB
A3.1, Type-C 1.0 reversible connector; accessory connector
BUSB Type-C
Radio
FM radio
—
Radio
AFM radio
B—
NFC
Yes
Yes
NFC
AYes
BYes
FEATURES
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Sensors
AFingerprint (under display, optical), accelerometer, gyro, proximity, compass
BFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
Charging
Fast battery charging 30W (Quick Charge 4.0)
Power bank/Reverse charging 10W
Super fast charging 2.0 at 45W
Charging
AFast battery charging 30W (Quick Charge 4.0)
Power bank/Reverse charging 10W
BSuper fast charging 2.0 at 45W
Battery Type
Non-removable Li-Po 6000 mAh battery
Li-ion 5000 mAh
Battery Type
ANon-removable Li-Po 6000 mAh battery
BLi-ion 5000 mAh
MISC
Colors
Matte Black, Glossy Black
—
Colors
AMatte Black, Glossy Black
B—
Models
ASUS_I001D
Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray, Titanium Jadegreen, Titanium Jetblack, Titanium Pinkgold
Models
AASUS_I001D
BTitanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray, Titanium Jadegreen, Titanium Jetblack, Titanium Pinkgold
Price
About 990 USD
—
Price
AAbout 990 USD
B—
Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.