HTC Butterfly a.k.a HTC DNA
In same time HTC Butterfly and HTC DNA are same body and same full specifications, but HTC make HTC DNA special for USA market while the "Butterfly" as the international version of "DNA". I say that HTC Butterfly a.k.a HTC DNA had ultimate specs just like Sony Xperia Z/ZL also this super-phone is the first phone that have full HD display resolution 1080x1920 pixels, it's fabulous screen resolution while other smartphone even Samsung Galaxy series not yet have it or even many tablets. With 5 inches HTC Butterfly a.k.a HTC DNA has deep pixel density (441) that enjoy our eyes, its beautiful screen just like it's name butterfly.
HTC J Butterfly a.k.a HTC DNA Full Specs
Body : 9.1 mm, 140g
Screen Resolution : 1080x1920 wih ~441 ppi Pixel Density
Memory : Internal 16GB, 2GB RAM with microsd slot upto 64GB
Connectivity : Micro USB v.2 (MHL), Bluetooth v.4, WLAN, NFC, Wifi 802.11 a/b/g/n, USB on the Go
Camera : 8 MP (According to Market) 3264x2448 pixels, autofocus, LED flash
Secondary : 2.1 MP 1080p video recording
Video : 1080p video recording
Operating System : Android Jelly Bean v4.1 Upgradable to Android Jelly Bean v4.2
CPU : Qualcomm Quad-core CPU 1.5GHz Krait Cortex A9
GPU : Adreno 320
Battery : Li-Po 2020 mAh battery
HTC J Butterfly/DNA and Sony Xperia Z will be a real rival because each one have weapon and unique feature that can be favored and considered as best ar better, both have excellent audio and sound features, HTC J Butterfly/DNA has beats audio while Sony Xperia Z/ZL has sony audio and Xloud engine. each of them have ultimate material in design and cover and the designs are all sexy sturdy and classy. But Sony Xperia Z is water and dust resistance, and I think this one is very good point. It depends on every one desire.