On this page we compare specs Asus Zenfone 2 ZE551ML Quad-core 2.3 GHz (4 GB RAM model)
-Quad-core 1.8 GHz (2 GB RAM model) with Asus Zenfone Max Pro (M2) ZB631KL Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| Operating system | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) | Android 8.1 (Oreo) |
| Processor | Quad-core 2.3 GHz (4 GB RAM model)
-Quad-core 1.8 GHz (2 GB RAM model) | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) |
| Chipset | Intel Atom Z3580 (4 GB RAM model)
-Intel Atom Z3560 (2 GB RAM model) | Qualcomm SDM660 Snapdragon 660 (14 nm) |
| GPU | PowerVR G6430 | Adreno 512 |
| Internal memory | 16/32/64 GB, 2/4 GB RAM | 64 GB, 4/6 GB RAM32 GB, 3 GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) |
| Display | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.5" inc | 6.26" inc |
| Resolution | 1080 x 1920 px | 1080 x 2280 px |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 6 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 70.8% | 82.0% |
| Display area | 83.4 cm2 | 97.8 cm2 |
| Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 401 PPI | 403 PPI |
| Colors | 16M | 16M |
| Connectivity | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 4.0, A2DP, EDR | 5.0, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC | Yes | Yes |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps |
| USB | microUSB 2.0, USB Host | microUSB 2.0, USB On-The-Go |
| Camera | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| Main camera | 13 MP, Single | 12 MP, Dual |
| Features | Dual-LED dual-tone flash, panorama, HDR | LED flash, HDR, panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera | 5 MP, Single | 13 MP, Single |
| Specs | 13 MP, AF, f/2.0 | 13MP, f/2.0, 1.12µm |
| Multimedia | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio, RDS | FM radio |
| Design | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| Colors | Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White | Blue, Titanium |
| Body build | Plastic body | Front glass, plastic body |
| Dimensions | 152.5 x 77.2 x 10.9 mm | 157.9 x 75.5 x 8.5 mm |
| Weight | 170 g | 175 g |
| Battery | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| Battery capacity | 3000 mAh, Non-removable Li-Po | 5000 mAh, Non-removable Li-Po |
| Other | Asus Zenfone 2 ZE551ML | Asus Zenfone Max Pro (M2) ZB631KL |
|---|
| SAR | SAR EU - 0.35 W/kg (head) | |
| Release date | 2015, January | 2018, December |
| Sensors | Accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
