Side-by-side technical data
Asus Zenfone 3s Max ZC521TL vs Asus Zenfone 3 Ultra (ZU680KL)
Comparison between Asus Zenfone 3s Max ZC521TL and Asus Zenfone 3 Ultra (ZU680KL): camera, battery, fast charging, display, performance and colors, side by side. More phones from Asus.
The verdict
Your pick: Asus Zenfone 3 Ultra (ZU680KL), ahead on Performance & hardware, Camera and Connectivity. Unless Design & display or Battery & charging decides it for you.
| Category | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Design & display | 5.3 | 4.5 |
| Performance & hardware | 1.7 | 2.8 |
| Camera | 3.7 | 4.9 |
| Connectivity | 4.1 | 4.5 |
| Battery & charging | 6.4 | 4.7 |
Which one is for you?
Asus Zenfone 3s Max ZC521TL, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,600 mAh
- Weight
- 175 g
- against 233 g
- Battery Features
- Reverse Charging
- against Fast Charging, Rechargeable, Battery Level Indicator
- OS Version
- 7
- against 6
Asus Zenfone 3 Ultra (ZU680KL), if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Bluetooth Version
- Bluetooth 4.2
- against Bluetooth 4.0
- Maximum Storage Capacity
- 128 GB
- against 32 GB
- Display Pixel Density
- 324 ppi
- against 282 ppi
Specification comparison
Performance
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Processor Model | MediaTek MT6750 | Qualcomm Snapdragon 652 |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | Mali-T860 MP2 | Qualcomm Adreno 510 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.5 GHz | 1.8 GHz Best value |
| Maximum Storage Capacity | 32 GB | 128 GB Best value |
| CPU Description | Octa-core (4x1.5 GHz Cortex-A53 and 4x1.0 GHz Cortex-A53) | Octa-core (4x1.8 GHz Cortex-A72 and 4x1.4 GHz Cortex-A53) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 3 GB | 4 GB Best value |
| Expandable Storage | Yes | Yes |
| Maximum memory card | — | 200 GB |
Design
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Body Colors | Gold, Black | Silver, Grey, Pink |
| Body Thickness | 8.9 mm | 6.8 mm Best value |
| Body Width | 73.7 mm | 93.9 mm |
| Body Height | 149.5 mm | 186.4 mm |
| Weight | 175 g Best value | 233 g |
| Usable Surface | 67.7 % | 72.8 % Best value |
Battery
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Battery Capacity | 5,000 mAh Best value | 4,600 mAh |
| Battery Type | Li-Po | Li-Ion |
| Fast Charge Power | — | 18 W |
| Battery Features | Reverse Charging Best value | Fast Charging, Rechargeable, Battery Level Indicator |
| Talk time | 28 h | 34 h Best value |
| Standby time | 816 h | — |
Display
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 5.2″ | 6.8″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,280 px | 1,920 px Best value |
| Display Pixel Density | 282 ppi | 324 ppi Best value |
| Display Features | — | Gorilla Glass 4, Touchscreen |
Sensors
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Fingerprint Sensor Placement | Front | Front |
Sensor
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Operating System | Android 7 | Android 6 |
| OS Family | Android | Android |
| OS Version | 7 Best value | 6 |
Connectivity
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| SIM Configurations | Nano-SIM + Micro-SIM | Dual Nano-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 B18, 4G LTE B19, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS 800, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.2 Best value |
| Bluetooth Profiles | A2DP, EDR | A2DP, EDR, LE |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG, USB Charging |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 100 Mbps |
Audio
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | A2DP, EDR, Loudspeaker | A2DP, EDR, LE, Stereo Speakers, 24-bit/192kHz Audio Best value |
Technical
| Specification | Zenfone 3s Max ZC521TL | Zenfone 3 Ultra (ZU680KL) |
|---|---|---|
| Model numbers | X00GD | — |
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