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Asus

Asus Zenfone 2 (ZE551ML)

Q: How much does the Asus Zenfone 2 (ZE551ML) cost?

The Asus Zenfone 2 (ZE551ML) costs around $4,999 at the lowest verified shop; the prices shown on the page adjust to where you are browsing from, based on current retailer listings.

March 2015 7/10 Rating Updated Sep 6, 2026

In brief: The Asus Zenfone 2 ZE551ML was a notable Android smartphone released in 2015, recognized for being one of the first to offer 4GB of RAM. It featured a 5.5-inch Full HD display, an Intel Atom processor, and a 13MP camera. This device aimed to deliver premium features at a competitive price point.

Display5.5" Full HD IPS LCD with Gorilla Glass 3

ChipsetIntel Atom Z3580 (up to 2.3 GHz) or Z3560 (up to 1.8 GHz)

Main Camera13 MP, f/2.0, with dual-LED flash and PixelMaster features

BatteryNon-removable Li-Po 3000 mAh with 18W fast charging

Starting from $69

💰 Asus Zenfone 2 (ZE551ML) Price

The Asus Zenfone 2 (ZE551ML) lowest price is $69, based on current retailer listings.

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📌 Full Specifications

Display

Type	IPS LCD
Size	5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Protection	Corning Gorilla Glass 3

Platform

OS	Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset	Intel Atom Z3580 (2.3 GHz) or Intel Atom Z3560 (1.8 GHz)
CPU	Quad-core (2.3 GHz or 1.8 GHz)
GPU	PowerVR G6430

Memory

Card slot	microSDXC (dedicated slot), up to 64GB
Internal	16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM

Main Camera

Single	13 MP, f/2.0, autofocus, dual-LED (dual tone) flash
Features	PixelMaster camera, Low Light mode, Backlight (Super HDR) mode, Super Resolution mode
Video	1080p@30fps

Selfie Camera

Single	5 MP, f/2.0
Features	PixelMaster

Battery

Type	Li-Po 3000 mAh, non-removable
Charging	18W wired, 60% in 39 min (advertised)

Body

Dimensions	152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
Weight	170 g (6.00 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Dual SIM (Micro-SIM, dual stand-by)

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth	4.0, A2DP, EDR
Positioning	GPS, GLONASS, BDS
NFC	Yes
Radio	FM radio
USB	microUSB 2.0, OTG

Launch

Announced	January 2015
Status	Discontinued

⚖ Pros & Cons

Pros

Good performance for its time, especially 4GB RAM variant
Competitive pricing at launch
Decent camera with PixelMaster features
Full HD display
Fast charging (BoostMaster)
Dual SIM support

Cons

Non-removable battery despite removable back cover
Camera performance can be average in some conditions
Rather large and hefty design
Confusing naming convention with multiple variants
Intel Atom processor might have compatibility issues with some apps
No 2160p video recording

★ Our Verdict

The Asus Zenfone 2 ZE551ML offered impressive specifications like 4GB RAM and a Full HD display at an aggressive price point, though it had some drawbacks in camera consistency and design bulk.

The Asus Zenfone 2 (ZE551ML) is a vintage smartphone from 2015, making it largely obsolete for modern daily use. While it pioneered 4GB RAM in a smartphone, its Intel Atom processor and Android 5.0 (upgradable to 6.0) operating system will struggle with contemporary apps and security updates. Battery life and camera performance will also be significantly outclassed by current budget phones. It might appeal to collectors or enthusiasts interested in smartphone history, but it is not recommended for anyone seeking a functional daily driver. If you find one, ensure it's in good working condition, but be aware of its limitations and lack of ongoing support.

Reviewed by the infozme.com Editorial Team — see how we research & rate phones.

📦 In The Box & Warranty

Asus Zenfone 2 (ZE551ML) handset
USB cable
Power adapter (charger)
Earphones
SIM ejector tool
User manual/documentation

Standard manufacturer's warranty applies, typically 1 year depending on region of purchase.

❓ Questions & Answers

What are the key specs of the Asus Zenfone 2 (ZE551ML)?

The Asus Zenfone 2 (ZE551ML) has a display of 5.5" Full HD IPS LCD with Gorilla Glass 3, chipset of Intel Atom Z3580 (up to 2.3 GHz) or Z3560 (up to 1.8 GHz), main camera of 13 MP, f/2.0, with dual-LED flash and PixelMaster features, battery of Non-removable Li-Po 3000 mAh with 18W fast charging.

When was the Asus Zenfone 2 (ZE551ML) released?

The Asus Zenfone 2 (ZE551ML) was released on March 2015.

How much does the Asus Zenfone 2 (ZE551ML) cost?

The Asus Zenfone 2 (ZE551ML) starts at $69 at the lowest verified shop we track; see the price list on this page for more options.

Is the Asus Zenfone 2 (ZE551ML) worth buying?

We rate the Asus Zenfone 2 (ZE551ML) 7/10. The Asus Zenfone 2 ZE551ML offered impressive specifications like 4GB RAM and a Full HD display at an aggressive price point, though it had some drawbacks in camera consistency and design bulk.