Side-by-side technical data
Asus Zenfone 4 Selfie Pro (ZD552KL) vs Asus ROG Phone 9 FE
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 FE, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Design & display | 7.1 | 8.0 |
| Performance & hardware | 2.4 | 8.8 |
| Camera | 3.3 | 7.5 |
| Connectivity | 3.8 | 8.2 |
| Battery & charging | 2.4 | 8.2 |
Which one is for you?
Asus Zenfone 4 Selfie Pro (ZD552KL), if you care about…
- Display Pixel Density
- 401 ppi
- against 388 ppi
- Weight
- 147 g
- against 225 g
- Body Thickness
- 6.9 mm
- against 8.9 mm
- Expandable Storage
- Yes
- against No
Asus ROG Phone 9 FE, if you care about…
- Battery Capacity
- 5,500 mAh
- against 3,000 mAh
- RAM Capacity
- 16 GB
- against 4 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 802.11 b/g/n
- Storage Type
- UFS 4.0
- against eMMC 5.1
Specification comparison
Performance
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 8 Gen 3 |
| Processor Process Size | 14 nm | 4 nm Best value |
| Graphics GPU | Qualcomm Adreno 506 | Qualcomm Adreno 750 |
| Storage Type | eMMC 5.1 | UFS 4.0 Best value |
| Maximum CPU Clock | 2 GHz | 3.3 GHz Best value |
| Maximum Storage Capacity | 64 GB | 256 GB Best value |
| AnTuTu Score | 61,758 | 2,342,007 |
| Geekbench 6 Single-Core | 189 | 2,213 Best value |
| Geekbench 6 Multi-Core | 862 | 7,325 Best value |
| CPU Description | Octa-core 2.0 GHz Cortex-A53 | Octa-core CPU with 1x3.3 GHz Cortex-X4, 3x3.2 GHz Cortex-A720, 2x3.0 GHz Cortex-A720, and 2x2.3 GHz Cortex-A520. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 16 GB Best value |
| RAM Type | DDR3 | LPDDR5X Best value |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 256 GB | — |
Design
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Body Colors | Red, Gold, Black | Black |
| Body Thickness | 6.9 mm Best value | 8.9 mm |
| Body Width | 74.8 mm | 76.8 mm |
| Body Height | 154 mm | 163.8 mm |
| Weight | 147 g Best value | 225 g |
| Usable Surface | 72.4 % | 88.2 % Best value |
| Body Materials | — | Glass, Aluminium Alloy |
| Resistance Features | — | IP68 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 6.9 mm | — |
| QWERTY keyboard | — | — |
Battery
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 3,000 mAh | 5,500 mAh Best value |
| Battery Type | Li-Ion | Li-Polymer |
| Fast Charge Power | 18 W | 65 W Best value |
| Battery Features | Fast Charging, Rechargeable, Battery Level Indicator | Non-Removable, Fast Charging, Wireless Charging, Reverse Charging, Rechargeable, Battery Level Indicator, Charger Included Best value |
| Battery Endurance | — | — |
| Wireless charging power | — | 15 W |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Display Aspect Ratio | 16:9 | 20:9 |
| Display Technology | AMOLED | LTPO AMOLED Best value |
| Peak Display Brightness | — | 2,500 nits |
| Display Diagonal | 5.5″ | 6.78″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 1,920 px | 2,400 px Best value |
| Display Pixel Density | 401 ppi Best value | 388 ppi |
| Display Refresh Rate | — | 185 Hz |
| Touch Sampling Rate | — | 720 Hz |
| Display Contrast Ratio | — | — |
| Display Features | Gorilla Glass 5, Touchscreen | Gorilla Glass Victus 2, HDR10, Hole-Punch Notch, Variable Refresh Rate, DC Dimming, One Billion Colors, Color LED Notifications, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, LTPO |
| 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 | — | — |
Sensors
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Fingerprint Sensor Placement | Front | Under Display |
Sensor
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Gravity Sensor, Light Sensor, Cooling System, Gaming Buttons |
Software
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Operating System | Android 7 | Android 15 |
| OS Family | Android | Android |
| OS Version | 7 | 15 Best value |
| OS Update Support | — | 2 years |
| Direct OS Updates | No | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B40 | 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 B28A, 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 n28a, 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, 4G | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | 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 | Wi-Fi Direct | Dual Band, Tri-Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | — | Bluetooth 5.4 |
| Bluetooth Profiles | A2DP, EDR, LE | A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless |
| Navigation Systems | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB | 3.5 mm Audio Jack, NFC, USB Type-C, DisplayPort output, USB OTG, USB Mass Storage, Computer Sync, DLNA, OTA Sync, Tethering, VoLTE, VoNR, USB Charging, USB Host 3.2 |
| USB Version | microUSB | USB Type-C |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | 300 Mbps | 10,000 Mbps Best value |
| Max. upload speed | 150 Mbps | 3,500 Mbps Best value |
Audio
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Microphone Count | 1 | 3 Best value |
| Audio Features | Loudspeaker, 24-bit/192kHz Audio | Stereo Speakers, DTS, DTS:X, Noise-Cancellation Microphone, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless Best value |
| Alert types | — | — |
Technical
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Zenfone 4 Selfie Pro (ZD552KL) | ROG Phone 9 FE |
|---|---|---|
| Built-in functions | — | — |
