Asus Zenfone 2 (ZE551ML) vs Motorola Moto X (2nd Gen)
A spec-by-spec comparison of the Asus Zenfone 2 (ZE551ML) and the Motorola Moto X (2nd Gen), taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Price | $69 | $4,995 |
| Our rating | 7/10 | 7/10 |
| Battery | 3,000 mAh | 2,300 mAh |
| Wired charging | 18W | — |
| RAM (max) | 4 GB | — |
| Storage (max) | 128 GB | 64 GB |
| Screen size | 5.5 in | 5.2 in |
| Main camera | 13 MP | 13 MP |
| Weight (lower is lighter) | 170 g | 144 g |
| Released | Mar 2015 | Sep 2014 |
Summary: Asus Zenfone 2 (ZE551ML) is ahead on battery, storage (max), screen size. Motorola Moto X (2nd Gen) is ahead on weight (lower is lighter).
★ Which should you buy? Asus Zenfone 2 (ZE551ML) is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Type | IPS LCD | Super AMOLED |
| Size | 5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio) | 5.2 inches (132 mm) |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) | 1080 x 1920 pixels, Full HD (~423 ppi density) |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
Platform
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| OS | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) | — |
| Chipset | Intel Atom Z3580 (2.3 GHz) or Intel Atom Z3560 (1.8 GHz) | Qualcomm Snapdragon 801 (MSM8974AC) |
| CPU | Quad-core (2.3 GHz or 1.8 GHz) | Quad-core 2.5 GHz Krait 400 |
| GPU | PowerVR G6430 | Adreno 330 |
Memory
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Card slot | microSDXC (dedicated slot), up to 64GB | — |
| Internal | 16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM | — |
| RAM | — | 2GB |
| Internal Storage | — | 16GB, 32GB, 64GB |
| Card Slot | — | No |
Main Camera
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Single | 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash | 13 MP, f/2.25, autofocus, dual-LED ring flash |
| Features | PixelMaster camera, Low Light mode, Backlight (Super HDR) mode, Super Resolution mode | Panorama, HDR |
| Video | 1080p@30fps | 4K@30fps, 1080p@60fps, 720p@120fps (slow motion) |
Selfie Camera
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Single | 5 MP, f/2.0 | 2 MP |
| Features | PixelMaster | — |
| Video | — | 1080p |
Battery
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Type | Li-Po 3000 mAh, non-removable | Li-Ion 2300 mAh, non-removable |
| Charging | 18W wired, 60% in 39 min (advertised) | Standard charging (no fast or wireless charging) |
Body
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Dimensions | 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in) | 140.8 x 72.4 x 10 mm (5.54 x 2.85 x 0.39 inches) |
| Weight | 170 g (6.00 oz) | 144 g (5.08 oz) |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Aluminum frame, optional leather or wood back covers |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | Nano-SIM |
| Protection | — | Water resistant |
Comms
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| WLAN | 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 |
| Bluetooth | 4.0, A2DP, EDR | 4.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS | — |
| NFC | Yes | Yes |
| Radio | FM radio | No |
| USB | microUSB 2.0, OTG | microUSB 2.0, USB Host |
| GPS | — | Yes, with A-GPS, GLONASS |
Launch
| Asus Zenfone 2 (ZE551ML) | Motorola Moto X (2nd Gen) |
|---|
| Announced | January 2015 | September 2014 |
| Status | Discontinued | Released September 2014 |
| OS at Launch | — | Android 4.4.4 KitKat, upgradeable to Android 6.0 Marshmallow |
Frequently asked questions
Which has the better battery, Asus Zenfone 2 (ZE551ML) or Motorola Moto X (2nd Gen)?
Asus Zenfone 2 (ZE551ML) — 3,000 mAh for the Asus Zenfone 2 (ZE551ML) versus 2,300 mAh for the Motorola Moto X (2nd Gen).
Which is lighter, Asus Zenfone 2 (ZE551ML) or Motorola Moto X (2nd Gen)?
Motorola Moto X (2nd Gen) — 170 g for the Asus Zenfone 2 (ZE551ML) versus 144 g for the Motorola Moto X (2nd Gen).
Which is newer, Asus Zenfone 2 (ZE551ML) or Motorola Moto X (2nd Gen)?
Asus Zenfone 2 (ZE551ML) — Mar 2015 for the Asus Zenfone 2 (ZE551ML) versus Sep 2014 for the Motorola Moto X (2nd Gen).
Is the Asus Zenfone 2 (ZE551ML) or the Motorola Moto X (2nd Gen) rated higher?
We rate the Asus Zenfone 2 (ZE551ML) 7/10 and the Motorola Moto X (2nd Gen) 7/10.
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