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HIS Radeon HD 7770 GHz Edition Graphics Card Review

Product: HIS Radeon HD 7770 GHz Edition
Company: HIS
Author: James Prior
Editor: Charles Oliver
Date: October 25th, 2012

Introduction

The HIS Radeon HD 7770 iCooler goes through the Rage3D test suite today, and is largely a reference design card featuring AT 1Ghz Edition clocks and slightly non-reference cooler design. Price is around $129USD and is currently offered with a $15USD MIR, plus a free coupon for the CryEngine 3 based FPS game Nexuiz, based on the classic Quake title of the same name.

View Image HIS Radeon HD 7770 iCooler

View Image HIS Radeon HD 7770 iCooler

The AMD Radeon HD 7770 is part of the Southern Islands line up, using the new GPU architecture codenamed Graphics Core Next (GCN). The AMD Radeon HD 7770 was introduced on February 14th, 2012. Read our launch review here.

HIS Radeon HD 7770 iCooler Specifications:

• 28nm Cape Verde XT GPU using GCN
• 1.5Bn transistors / 123mm2
• 640 Stream Processors / 10 CU
• 1GHz Engine Clock
• 1125MHz (4.5Gbps) 1GB GDDR5 RAM
• 128-bit Memory Bus
• 72.0GB/s memory bandwidth
• 40 Texture Units
• 16 ROPS
• DVI-DL + HDMI 1.4a (Fast HDMI supported) & 2 mini-DisplayPort 1.2 outputs
• DirectX 11.1 / OpenCL 1.2 / OpenGL 4.2 / C++ AMP
• <3W idle (ZeroCore Power) / 80W typ. board power (PowerTune limit 100W)
• Single 6-pin PCIe power connector
• $129USD SEP

Our testing today will attempt to determine how the HIS Radeon HD 7770 iCooler differs from the reference AMD Radeon HD 7770 design, and we'll also look at how 7770's perform in CrossFire. The HIS box doesn't offer any stand out advantages over the reference design AMD Radeon HD 7770, so we'll have to look closely to see if there are any.