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To overclock today we are using the latest version of Sapphire’s TriXX software tool.
The HIS HD7970 IceQX² Turbo can be pushed to just over 1,200mhz on the core, which is a very impressive result. The GDDR5 memory can be pushed to around 1,600mhz (6.4Gbps effective).
The HIS HD7950 IceQ has huge overclocking potential, and we managed to overclock the core from 925mhz to 1,083mhz, translating to a 17% increase on the core. There was also plenty of headroom on the memory, overclocking from 1,250mhz to 1,463mhz (5.85Gbps effective).
The good overclocking results help push performance into a new level. The manually overclocked HIS HD7950 IceQ for instance manages to outperform the reference clocked AMD HD7970. The HIS HD7970 IceQX² Turbo when manually overclocked scores almost 10,000 points, placing it above the last generation HD6990 flagship.
I always worry about warranty with HIS, they dont seem to have much support in UK
The 7970 looks good, nice looking cooler and great performance, but I wont order from OCUK, ever. too many bad experiences
Excellent, I like both of these, but they always appeared as a more budget make to me, the prices are just as high as Sapphire/.XFX etc