Asus Zenfone 2 (ZE551ML) vs OnePlus 2
A spec-by-spec comparison of the Asus Zenfone 2 (ZE551ML) and the OnePlus 2, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Price | $69 | $35 |
| Our rating | 7/10 | 7/10 |
| Battery | 3,000 mAh | 3,300 mAh |
| Wired charging | 18W | — |
| RAM (max) | 4 GB | — |
| Storage (max) | 128 GB | 64 GB |
| Screen size | 5.5 in | 5.5 in |
| Main camera | 13 MP | 13 MP |
| Weight (lower is lighter) | 170 g | 175 g |
| Released | Mar 2015 | Jul 2015 |
Summary: Asus Zenfone 2 (ZE551ML) is ahead on storage (max), weight (lower is lighter). OnePlus 2 is ahead on battery.
★ Which should you buy? Asus Zenfone 2 (ZE551ML) is the stronger overall pick on the measured specs. If budget matters more than the extra capability, OnePlus 2 is the cheaper option.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio) | 5.5 inches |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) | 1080 x 1920 pixels (Full HD) |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Features | — | 401 ppi density, 1500:1 Contrast Ratio |
Platform
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| OS | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) | Android 5.1.1 (Lollipop), upgradable to Android 6.0.1 (Marshmallow), OxygenOS 2.0 (up to 3.5.6) |
| Chipset | Intel Atom Z3580 (2.3 GHz) or Intel Atom Z3560 (1.8 GHz) | Qualcomm Snapdragon 810 (MSM8994 v2.1) |
| CPU | Quad-core (2.3 GHz or 1.8 GHz) | Octa-core (4x 1.8 GHz Cortex-A57 & 4x 1.5 GHz Cortex-A53) |
| GPU | PowerVR G6430 | Adreno 430 |
Memory
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| 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 | — | 3GB or 4GB LPDDR4 RAM |
| Internal Storage | — | 16GB or 64GB eMMC v5.0 |
| Card Slot | — | No |
Main Camera
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Single | 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash | 13 MP, f/2.0, 1/2.6", 1.3µm, OIS, laser autofocus |
| Features | PixelMaster camera, Low Light mode, Backlight (Super HDR) mode, Super Resolution mode | Dual LED flash |
| Video | 1080p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps |
Selfie Camera
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Single | 5 MP, f/2.0 | 5 MP, f/2.4 |
| Features | PixelMaster | — |
| Video | — | 1080p@30fps, 720p@60fps |
Battery
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Type | Li-Po 3000 mAh, non-removable | Li-Po 3300 mAh, non-removable |
| Charging | 18W wired, 60% in 39 min (advertised) | Standard charging (no fast charging) |
Body
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Dimensions | 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in) | 151.8 x 74.9 x 9.85 mm |
| Weight | 170 g (6.00 oz) | 175 g |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Aluminum-magnesium alloy frame, stainless steel accents, textured Sandstone Black plastic back (customizable with Kevlar, bamboo, black apricot, rosewood) |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Comms
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot (2.4/5 GHz) |
| Bluetooth | 4.0, A2DP, EDR | 4.1, A2DP |
| Positioning | GPS, GLONASS, BDS | GPS |
| NFC | Yes | No |
| Radio | FM radio | No |
| USB | microUSB 2.0, OTG | USB Type-C 2.0, USB On-The-Go |
Launch
| Asus Zenfone 2 (ZE551ML) | OnePlus 2 |
|---|
| Announced | January 2015 | July 2015 |
| Status | Discontinued | Available. Released August 2015 |
Frequently asked questions
Which has the better battery, Asus Zenfone 2 (ZE551ML) or OnePlus 2?
OnePlus 2 — 3,000 mAh for the Asus Zenfone 2 (ZE551ML) versus 3,300 mAh for the OnePlus 2.
Which is lighter, Asus Zenfone 2 (ZE551ML) or OnePlus 2?
Asus Zenfone 2 (ZE551ML) — 170 g for the Asus Zenfone 2 (ZE551ML) versus 175 g for the OnePlus 2.
Which is newer, Asus Zenfone 2 (ZE551ML) or OnePlus 2?
OnePlus 2 — Mar 2015 for the Asus Zenfone 2 (ZE551ML) versus Jul 2015 for the OnePlus 2.
Is the Asus Zenfone 2 (ZE551ML) or the OnePlus 2 rated higher?
We rate the Asus Zenfone 2 (ZE551ML) 7/10 and the OnePlus 2 7/10.
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