Asus ZenFone 2 vs Galaxy S5 vs LG G3 specs comparison

Asus ZenFone 2 vs Galaxy S5 vs LG G3 specs comparison
Earlier today, Asus took to the stage at CES 2015 to unveil a number of new gadgets, among which was one of the successors to the surprisingly popular Zenfones. Instead of releasing three differently priced models of varying sizes, however, Asus is focusing on a single ZenFone 2 that will come in two versions, the most notable difference between the two being that one of them will offer the whopping 4GB of RAM, while the other will stick with "just" 2 gigs. The silver lining here is that the 2-gigger will start off at just $199 without a contract, which, for a phone with a 5.5" 1080p display, 64-bit chipset, and 13 MP camera, is a great value.

Take last year's flagship competition, for instance. In the case of the Galaxy S5, it offers a more compact chassis, attributable to the smaller, 5.1" display, and a 16 MP camera, but sells for twice what the ZenFone 2 will start you with. The same goes for the LG G3, which, however, ups the ante to a Quad HD screen resolution, although its battery life leaves much to be desired, compared to the ZenFone, precisely on account of the more power-hungry display. Overall, the new Asus flagship can hardly be beat for the price Asus is offering it, especially the version with 4 GB of RAM, which the competition can't match for now.

Asus ZenFone 2 vs Samsung Galaxy S5 vs LG G3


Display size

5.5 inches
5.1 inches
5.5 inches


1080 x 1920 pixels
1080 x 1920 pixels
1440 x 2560 pixels

Pixel density

403 ppi
432 ppi
538 ppi



Screen-to-body ratio

70.35 %
69.76 %
75.22 %



Single camera
Single camera
Single camera

Main camera

13 megapixels
16 megapixels
13 megapixels

Hardware Features

Back-illuminated sensor (BSI), Phase detection autofocus
Optical image stabilization, Laser autofocus, Back-illuminated sensor (BSI)


Aperture size: F2.0
Aperture size: F2.2; Focal length: 31 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F2.4; Focal length: 29 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)

Recording format

MPEG4, H.264
MPEG4, H.263, H.264


Video calling
High Dynamic Range mode (HDR), Continuous autofocus, Digital image stabilization, Video calling, Video sharing
Optical image stabilization


5 megapixels
2.1 megapixels
2.1 megapixels

Video capture

1920x1080 (Full HD)
1920x1080 (Full HD)



6.00 x 3.04 x 0.43 inches (152.5 x 77.2 x 10.9 mm)
5.59 x 2.85 x 0.32 inches (142 x 72.5 x 8.1 mm)
5.76 x 2.94 x 0.35 inches (146.3 x 74.6 x 8.9 mm)


6.00 oz (170 g)
the average is 6.1 oz (174 g)
5.11 oz (145 g)
the average is 6.1 oz (174 g)
5.26 oz (149 g)
the average is 6.1 oz (174 g)


Back: Plastic
Back: Plastic


Water, Dust; IP 67


Fingerprint (swipe)


Touch sensitive control keys
Touch sensitive control keys, Interchangeable covers, Notification light

Hardware & Performance

System chip

Intel Atom Z3580
Qualcomm Snapdragon 801 MSM8974-AC
Qualcomm Snapdragon 801 8974-AC


Quad-core, 2300 MHz, 64-bit
Quad-core, 2500 MHz, Krait 400, 32-bit, 28 nm
Quad-core, 2500 MHz, Krait 400


PowerVR G6430
Adreno 330
Adreno 330




Android (6.0 Marshmallow, 5.0 Lollipop), ASUS Zen UI
Android (6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop, 4.4.4, 4.4.2), Samsung TouchWiz UI
Android (6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop, 4.4.2)



3000 mAh
2800 mAh
3000 mAh



Talk time

21.00 hours
the average is 20 h (1205 min)
19.00 hours
the average is 20 h (1205 min)

Stand-by time

16.2 days (390 hours)
the average is 21 days (509 h)
22.8 days (548 hours)
the average is 21 days (509 h)

Talk time (3G)

21.00 hours
the average is 23 h (1387 min)
21.00 hours
the average is 23 h (1387 min)

Stand-by time (3G)

23.0 days (553 hours)
the average is 26 days (614 h)

Stand-by time (4G)

25.0 days (600 hours)
the average is 24 days (583 h)

Music playback

67.00 hours

Video playback

13.00 hours



1. Rorschach

Posts: 83; Member since: Apr 26, 2013

Give me decent battery life with the intel processor and 60 fps at 1080p and i'm sold

2. ferret101

Posts: 21; Member since: Aug 25, 2014

^Aren't you sold already? What more can you ask from a $250 smartphone?

3. sasquatch82

Posts: 1; Member since: Jan 06, 2015

Hang on. You don't publish battery stats for the zenphone and the G3 has better stats than the Galaxy yet it's battery is disappointing? Riiiiiiiiiiiight.

7. DogDeadByRaven

Posts: 1; Member since: Jun 25, 2015

Its disappointing because it only gets good battery life for roughly 3-4 months before the battery hits a half life and only gets half the life it used to.

4. laughmi

Posts: 283; Member since: Oct 28, 2014

Asus has proven how much established companies can loot.

5. mostafawael.1998

Posts: 241; Member since: Oct 01, 2014

Wait a minute, Asus ZenFone 2 has an LPDDR3 4 GB RAM? how come? Aren't the 4 gigs are existent in the LPDDR4 only ? And what is the difference between 4 gigs LPDDR3 and 3 gigs LPDDR4 ?

6. bayzoore

Posts: 4; Member since: Apr 23, 2015

the difference between lpddr4 and lpddr3 is negligible barely any difference. and the 3 and 4gb is just how much space if they had the space and technology they could put in 16gb to the phone but they dont have that yet or havent used it. just lpddr4 came out recently so companies are starting to use it.

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