| Asus Zenfone 2 ZE551ML |
Asus Zenfone 6 ZS630KL |
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| Hardware and OS | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
|---|---|---|
| Operating system | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) | Android 9.0 (Pie), ZenUI 6 |
| Processor | Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model) | Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| Chipset | Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model) | Qualcomm SDM855 Snapdragon 855 (7 nm) |
| GPU | PowerVR G6430 | Adreno 640 |
| Internal memory | 16/32/64 GB, 2/4 GB RAM | 256 GB, 8 GB RAM or 64/128 GB, 6 GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 1 TB (dedicated slot) |
| Display | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| Type | IPS LCD | IPS LCD |
| Size | 5.5" inc | 6.4" inc |
| Resolution | 1080 x 1920 px | 1080 x 2340 px |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 6 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 70.8% | 83.8% |
| Display area | 83.4 cm2 | 100.5 cm2 |
| Display aspect ratio | 16:9 (height:width) | 19.5:9 (height:width) |
| Pixel Density | 401 PPI | 403 PPI |
| Colors | 16M | 16M |
| Other | DCI-P3 100% -HDR10 | |
| Connectivity | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| 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 / 1900 / 2100 - A version |
| 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), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - A version |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi 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, aptX HD |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS | Yes, with dual-band 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 (5CA) Cat18 1200/150 Mbps |
| USB | microUSB 2.0, USB Host | 2.0, Type-C 1.0 reversible connector |
| Camera | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| Main camera | 13 MP, Single | 48 MP, Dual |
| Specs | 13 MP, AF, f/2.0 | 48 MP, f/1.8, (wide), 26mm (wide), 1/2', 0.8µm, Laser/PDAF -13 MP, f/2.4, 11mm (ultrawide) |
| Features | Dual-LED dual-tone flash, panorama, HDR | Dual-LED flash, HDR, auto panorama (motorized rotation) |
| Video | 1080p@30fps | 2160p@30/60fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS (except @240/480fps) |
| Selfie camera | 5 MP, Single | 48 MP, Dual |
| Multimedia | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio, RDS | FM radio |
| Design | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| Colors | Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White | Midnight Black, Twilight Silver |
| Body build | Plastic body | Front glass (Gorilla Glass 6), back glass (Gorilla Glass), aluminum frame |
| Dimensions | 152.5 x 77.2 x 10.9 mm | 159.1 x 75.4 x 9.2 mm |
| Weight | 170 g | 190 g |
| Battery | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| Battery capacity | 3000 mAh, Non-removable Li-Po | 5000 mAh, Non-removable Li-Po |
| Battery life | Stand by time- Up to 624 h (3G) Talking time- Up to 33 h (3G) | |
| Other | Asus Zenfone 2 ZE551ML | Asus Zenfone 6 ZS630KL |
| SAR | SAR EU - 0.35 W/kg (head) | |
| Release date | 2015, January | 2019, May |
| Sensors | Accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
