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Asus Zenfone 2 ZE551ML
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Phone Insight
Full Specifications September 3, 2026
Asus Zenfone 2 ZE551ML Android 5.0
Asus · 2015

Asus Zenfone 2 ZE551ML

Asus Zenfone 2 ZE551ML Android smartphone. Announced Jan 2015. Features 5.5″ display, Intel Atom Z3580 chipset, 13 MP primary camera, 5 MP front camera, 3000 mAh battery, 128 GB storage, 4 GB RAM, Corning Gorilla Glass 3.

Display 5.5"
Chipset Intel Atom Z3580
RAM 2/4 GB
Storage 16GB/64GB/128GB storage, microSDXC
Camera 13 MP
Battery 3000 mAh
OS Android 5.0, up to 6.0
Build 170g, 10.9mm thickness

Launch

Announced 2015, January. Released 2015, March
Status Discontinued

Platform

OS Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset Intel Atom Z3580 (4 GB RAM model) Intel Atom Z3560 (2 GB RAM model)
CPU Quad-core 2.3 GHz (4 GB RAM model) Quad-core 1.8 GHz (2 GB RAM model)
GPU PowerVR G6430

Display

Type IPS LCD
Size 5.5 inches, 83.4 cm 2 (~70.8% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass 3

Memory

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

Main Camera

Single 13 MP, f/2.0, AF
Features Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps

Selfie camera

Single 5 MP, f/2.0

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)

Battery

Type Li-Po 3000 mAh, non-removable
Charging 18W wired, 60% in 40 min

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

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

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Features

Sensors Accelerometer, gyro, proximity, compass

Our Tests

Performance Basemark OS II 2.0: 1090Basemark X: 12565
Camera Photo / Video
Loudspeaker Voice 62dB / Noise 61dB / Ring 67dB
Battery (old) Endurance rating 59h

Misc

Colors Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
Models Z00AD, Z00A
SAR EU 0.35 W/kg (head)
Phone Insight phoneinsight.org/ Printed September 3, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/asus-zenfone-2-ze551ml/

In depth

Full specifications

Announced 2015, January. Released 2015, March
Status Discontinued
OS Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset Intel Atom Z3580 (4 GB RAM model) Intel Atom Z3560 (2 GB RAM model)
CPU Quad-core 2.3 GHz (4 GB RAM model) Quad-core 1.8 GHz (2 GB RAM model)
GPU PowerVR G6430
Type IPS LCD
Size 5.5 inches, 83.4 cm 2 (~70.8% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass 3
Card slot microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Single 13 MP, f/2.0, AF
Features Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps
Single 5 MP, f/2.0
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)
Type Li-Po 3000 mAh, non-removable
Charging 18W wired, 60% in 40 min
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth 4.0, A2DP, EDR
Positioning GPS, GLONASS
NFC Yes
Radio FM radio, RDS
USB microUSB 2.0, OTG
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Sensors Accelerometer, gyro, proximity, compass
Performance Basemark OS II 2.0: 1090Basemark X: 12565
Camera Photo / Video
Loudspeaker Voice 62dB / Noise 61dB / Ring 67dB
Battery (old) Endurance rating 59h
Colors Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
Models Z00AD, Z00A
SAR EU 0.35 W/kg (head)
Price About 300 EUR
PhoneInsight Benchmark
29.8/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 18.4
Display 65
Camera 49.4
Battery 55
0.3%Popularity rank
28,972,396 hitsTotal views
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