Side-by-side technical data
Asus Zenfone 5z ZS620KL vs Asus Zenfone 4 Pro (ZS551KL)
Comparison between Asus Zenfone 5z ZS620KL and Asus Zenfone 4 Pro (ZS551KL): camera, battery, fast charging, display, performance and colors, side by side. More phones from Asus.
The verdict
Your pick: Asus Zenfone 5z ZS620KL, ahead on Performance & hardware and Camera. Unless Battery & charging decides it for you.
| Category | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Design & display | 6.4 | 6.7 |
| Performance & hardware | 5.1 | 3.6 |
| Camera | 5.9 | 5.5 |
| Connectivity | 5.3 | 5.3 |
| Battery & charging | 2.8 | 3.2 |
Which one is for you?
Asus Zenfone 5z ZS620KL, if you care about…
- RAM Capacity
- 8 GB
- against 6 GB
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Weight
- 165 g
- against 175 g
- Usable Surface
- 83.6 %
- against 70.3 %
Asus Zenfone 4 Pro (ZS551KL), if you care about…
- Battery Capacity
- 3,600 mAh
- against 3,300 mAh
- Display Technology
- AMOLED
- against IPS LCD
- Body Thickness
- 7.6 mm
- against 7.9 mm
- Audio Features
- aptX, Stereo Speakers, 24-bit/192kHz Audio
- against A2DP, LE, Loudspeaker, 24-bit/192kHz Audio
Specification comparison
Performance
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 835 |
| Processor Process Size | 10 nm | 10 nm |
| Graphics GPU | Qualcomm Adreno 630 | Qualcomm Adreno 540 |
| Storage Type | — | eMMC 5.1 |
| Maximum CPU Clock | 2.7 GHz Best value | 2.45 GHz |
| Maximum Storage Capacity | 256 GB Best value | 128 GB |
| AnTuTu Score | 266,590 | 176,998 |
| CPU Description | Octa-core CPU with four Kryo 385 Gold cores at 2.7 GHz and four Kryo 385 Silver cores at 1.7 GHz. | Octa-core (4 × 2.45 GHz Kryo and 4 × 1.9 GHz Kryo) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 8 GB Best value | 6 GB |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v7 | — |
| Maximum memory card | — | 1.9531 TB |
Design
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Body Colors | Blue, Silver | White, Black |
| Body Thickness | 7.9 mm | 7.6 mm Best value |
| Body Width | 75.7 mm | 75.6 mm |
| Body Height | 153 mm | 156.9 mm |
| Weight | 165 g Best value | 175 g |
| Usable Surface | 83.6 % Best value | 70.3 % |
| Body Materials | Glass, Aluminium Alloy | Glass, Aluminium Alloy |
| Unfolded thickness | — | 7.6 mm |
Battery
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Battery Capacity | 3,300 mAh | 3,600 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Fast Charging | Non-Removable, Fast Charging, Battery Level Indicator, Rechargeable |
| Talk time | — | 27 h 30 min |
Display
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Display Aspect Ratio | 18.7:9 | 16:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Display Diagonal | 6.2″ Best value | 5.5″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,246 px Best value | 1,920 px |
| Display Pixel Density | 402 ppi Best value | 401 ppi |
| Display Features | Gorilla Glass | Gorilla Glass 5, Touchscreen |
Sensors
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Front |
Sensor
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Operating System | Android 8 | Android 7 |
| OS Family | Android | Android |
| OS Version | 8 Best value | 7 |
Connectivity
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 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 1800, 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 B26, LTE B28, 4G LTE B29, 4G LTE B30, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 | 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 1800, 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 B17, 4G LTE B19, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, LTE | GSM, HSPA, LTE, UMTS, 2G, 3G, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Wi-Fi Direct | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, EDR, LE, aptX |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB 2.0, USB OTG | 3.5 mm Audio Jack, Infrared, NFC, FM Radio, USB Type-C, USB OTG, USB 2.0 |
| USB Version | USB Type-C | USB 2.0 |
| Max. download speed | — | 600 Mbps |
| Max. upload speed | — | 150 Mbps |
Audio
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Microphone Count | — | 3 |
| Audio Features | A2DP, LE, Loudspeaker, 24-bit/192kHz Audio | aptX, Stereo Speakers, 24-bit/192kHz Audio Best value |
Technical
| Specification | Zenfone 5z ZS620KL | Zenfone 4 Pro (ZS551KL) |
|---|---|---|
| Model numbers | Z01RD | Z01GD, Z01GS |
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