Asus
Asus ROG Phone II ZS660KL1,003 views
Wins 3 specs
Side-by-side comparison
Asus ROG Phone II ZS660KL vs Asus Zenfone 4 Pro ZS551KL
Asus
Asus Zenfone 4 Pro ZS551KL924 views
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
Asus Zenfone 4 Pro ZS551KL — quick specs
- NetworkLTE / HSPA / GSM
- Display5.5 inches · 1080×1920
- Camera12 MP
- Memory6 GB RAM
- Battery3600 mAh
- OSAndroid 7.1
● Full specification comparison
Spec
Asus ROG Phone II ZS660KL
Asus Zenfone 4 Pro ZS551KL
NETWORK
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
Technology
AGSM / HSPA / LTE
BGSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
2G bands
AGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
BGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
3G bands
AHSDPA 850 / 900 / 1900 / 2100
BHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
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
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
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
BLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
Speed
HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps
Speed
AHSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
BHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps
LAUNCH
Announced
2019, July
2017, August
Announced
A2019, July
B2017, August
Status
Coming soon. Exp. release 2019, September 20
Available. Released 2017, October
Status
AComing soon. Exp. release 2019, September 20
BAvailable. Released 2017, October
BODY
Dimensions
171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
Dimensions
A171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
B156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
Weight
240 g (8.47 oz)
175 g (6.17 oz)
Weight
A240 g (8.47 oz)
B175 g (6.17 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Hybrid Dual SIM (Nano-SIM, dual stand-by)
SIM
ADual SIM (Nano-SIM, dual stand-by)
BHybrid Dual SIM (Nano-SIM, dual stand-by)
Build
Front glass (Gorilla Glass 6), back glass, aluminum frame
Front/back glass (Gorilla Glass 5) & aluminum frame
Build
AFront glass (Gorilla Glass 6), back glass, aluminum frame
BFront/back glass (Gorilla Glass 5) & aluminum frame
DISPLAY
Type
AMOLED capacitive touchscreen, 16M colors
AMOLED capacitive touchscreen, 16M colors
Type
AAMOLED capacitive touchscreen, 16M colors
BAMOLED capacitive touchscreen, 16M colors
Size
6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)
Size
A6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
B5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Resolution
A1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
B1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
Corning Gorilla Glass 6 DCI-P3 108% HDR10 120 Hz 240 Hz touch-sensing
Corning Gorilla Glass 5
Protection
ACorning Gorilla Glass 6 DCI-P3 108% HDR10 120 Hz 240 Hz touch-sensing
BCorning Gorilla Glass 5
PLATFORM
OS
Android 9.0 (Pie), ROG UI
Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4
OS
AAndroid 9.0 (Pie), ROG UI
BAndroid 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4
Chipset
Qualcomm SDM855 Snapdragon 855+ (7 nm)
Qualcomm MSM8998 Snapdragon 835 (10 nm)
Chipset
AQualcomm SDM855 Snapdragon 855+ (7 nm)
BQualcomm MSM8998 Snapdragon 835 (10 nm)
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
CPU
AOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
BOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPU
Adreno 640 (700 MHz)
Adreno 540
GPU
AAdreno 640 (700 MHz)
BAdreno 540
MEMORY
Card slot
No
microSD, up to 1 TB (uses shared SIM slot)
Card slot
ANo
BmicroSD, up to 1 TB (uses shared SIM slot)
Internal
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
64GB 6GB RAM, 128GB 6GB RAM
Internal
A256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
B64GB 6GB RAM, 128GB 6GB RAM
MAIN CAMERA
Dual
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF, Laser AF 13 MP, f/2.4, 11mm (ultrawide)"
12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS
16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom";
Dual
A48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF, Laser AF 13 MP, f/2.4, 11mm (ultrawide)"
B12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS
16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom";
SELFIE CAMERA
Single
24MP, f/2.2, 0.9µm"
8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"
Single
A24MP, f/2.2, 0.9µm"
B8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"
SOUND
Loudspeaker
Yes, with stereo speakers (2 dedicated amplifiers)
Yes, dual speakers
Loudspeaker
AYes, with stereo speakers (2 dedicated amplifiers)
BYes, dual speakers
3.5mm jack
Yes
24-bit/192kHz audio
Active noise cancellation with dedicated mics
DTS Headphone X
Yes
24-bit/192kHz audio
DTS sound
Active noise cancellation with dedicated mic
3.5mm jack
AYes
24-bit/192kHz audio
Active noise cancellation with dedicated mics
DTS Headphone X
BYes
24-bit/192kHz audio
DTS sound
Active noise cancellation with dedicated mic
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, dual-band, Wi-Fi Direct, hotspot
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, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE, aptX HD
5.0, A2DP, EDR, LE, aptX
Bluetooth
A5.0, A2DP, LE, aptX HD
B5.0, A2DP, EDR, LE, aptX
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
Type-C 1.0 reversible connector
USB
A3.1, Type-C 1.0 reversible connector; accessory connector
BType-C 1.0 reversible connector
Radio
FM radio
FM radio
Radio
AFM radio
BFM radio
NFC
Yes
Yes
NFC
AYes
BYes
Infrared port
—
Yes
Infrared port
A—
BYes
FEATURES
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
Sensors
AFingerprint (under display, optical), accelerometer, gyro, proximity, compass
BFingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
BATTERY
Charging
Fast battery charging 30W (Quick Charge 4.0)
Power bank/Reverse charging 10W
Fast battery charging 18W: 50% in 32 min
Charging
AFast battery charging 30W (Quick Charge 4.0)
Power bank/Reverse charging 10W
BFast battery charging 18W: 50% in 32 min
Battery Type
Non-removable Li-Po 6000 mAh battery
Non-removable Li-Ion 3600 mAh battery
Battery Type
ANon-removable Li-Po 6000 mAh battery
BNon-removable Li-Ion 3600 mAh battery
MISC
Colors
Matte Black, Glossy Black
Moonlight white, Pure Black
Colors
AMatte Black, Glossy Black
BMoonlight white, Pure Black
Models
ASUS_I001D
Z01GD
Models
AASUS_I001D
BZ01GD
Price
About 990 USD
About 550 USD
Price
AAbout 990 USD
BAbout 550 USD
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.