Asus
Side-by-side technical data
Asus ROG Phone II ZS660KL vs Asus ROG Phone 9
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Your pick: Asus ROG Phone 9, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Design & display | 6.5 | 7.8 |
| Performance & hardware | 6.9 | 9.4 |
| Camera | 5.8 | 7.5 |
| Connectivity | 5.6 | 8.2 |
| Battery & charging | 6.9 | 8.2 |
Which one is for you?
Asus ROG Phone II ZS660KL, if you care about…
- Battery Capacity
- 6,000 mAh
- against 5,800 mAh
- Maximum Storage Capacity
- 1,000 GB
- against 512 GB
Asus ROG Phone 9, if you care about…
- AnTuTu Score
- 3,007,932
- against 483,239
- RAM Capacity
- 16 GB
- against 12 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be)
- against Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 802.11ad
- Storage Type
- UFS 4.0
- against UFS 3.0
Specification comparison
Performance
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 855 Plus | Qualcomm Snapdragon 8 Elite |
| Processor Process Size | 7 nm | 3 nm Best value |
| Graphics GPU | Qualcomm Adreno 640 (700 MHz) | Qualcomm Adreno 830 |
| Storage Type | UFS 3.0 | UFS 4.0 Best value |
| Maximum CPU Clock | 2.96 GHz | 4.32 GHz Best value |
| Maximum Storage Capacity | 1,000 GB Best value | 512 GB |
| AnTuTu Score | 483,239 | 3,007,932 Best value |
| Geekbench 6 Single-Core | — | 3,234 |
| Geekbench 6 Multi-Core | — | 10,059 |
| CPU Description | Octa-core CPU with Kryo 485 cores at 2.96 GHz, 2.42 GHz, and 1.78 GHz. | Octa-core CPU with 2×4.32 GHz Oryon V2 Phoenix L cores and 6×3.53 GHz Oryon V2 Phoenix M cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 12 GB | 16 GB Best value |
| RAM Type | — | LPDDR5X |
| Expandable Storage | No | No |
| AnTuTu version | v8 | v10 |
| 3DMark Wild Life Extreme | — | 6,718 |
| Maximum memory card | — | — |
Design
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Body Colors | Black | Black, White |
| Body Thickness | 9.5 mm | 8.9 mm Best value |
| Body Width | 77.6 mm | 76.8 mm |
| Body Height | 171 mm | 163.8 mm |
| Weight | 240 g | 227 g Best value |
| Usable Surface | 80.3 % | 88.2 % Best value |
| Body Materials | Glass, Aluminium Alloy | Glass, Aluminium Alloy |
| Resistance Features | RGB Light Strip | IP68 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Battery
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 6,000 mAh Best value | 5,800 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 30 W | 65 W Best value |
| Battery Features | Fast Charging, Reverse Charging | Fast Charging, Wireless Charging, Reverse Charging, Bypass Charging, Non-Removable, Rechargeable, Battery Level Indicator, Charger Included |
| Battery Endurance | — | — |
| Wireless charging power | — | 15 W |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 20:9 |
| Display Technology | AMOLED | LTPO AMOLED Best value |
| Peak Display Brightness | — | 2,500 nits |
| Display Diagonal | 6.59″ | 6.78″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,340 px | 2,400 px Best value |
| Display Pixel Density | 391 ppi Best value | 388 ppi |
| Display Refresh Rate | 120 Hz | 185 Hz Best value |
| Touch Sampling Rate | — | 720 Hz |
| Display Contrast Ratio | — | — |
| Display Features | Gorilla Glass 6, HDR10, 120Hz | Gorilla Glass Victus 2, HDR10 |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | 1B colors | — |
Sensors
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Gravity Sensor, Cooling System, Gaming Buttons |
Software
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Operating System | Android 9 | Android 15 |
| OS Family | Android | Android |
| OS Version | 9 | 15 Best value |
| OS Update Support | — | 2 years |
| Direct OS Updates | — | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | Yes |
Connectivity
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, LTE B28, 4G LTE B29, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B46 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28B, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B43, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n18, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n77, 5G NR n78, 5G NR n79 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 802.11ad | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Tri-Band, Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display, MIMO Best value |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless Best value |
| Navigation Systems | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB OTG | USB Charging, USB Mass Storage, USB OTG, USB Type-C, USB Host 3.2, NFC, 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering, DLNA, VoLTE, VoNR |
| USB Version | USB 3.1 | USB Type-C |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | — | 10,000 Mbps |
| Max. upload speed | — | 3,500 Mbps |
Audio
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Microphone Count | — | 3 |
| Audio Features | Stereo Speakers, DTS:X, Loudspeaker, Hi-Res Audio, 24-bit/192kHz Audio | Stereo Speakers, DTS, DTS:X, Hi-Res Audio, Hi-Res Wireless Audio |
| Alert types | — | — |
Technical
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | ROG Phone II ZS660KL | ROG Phone 9 |
|---|---|---|
| Built-in functions | — | — |
