AMD Radeon HD 7970 Reviews Round-up



AMD Radeon HD 7970



1 – Radeon HD 7970 Overview

AMD has launched yesterday the new Radeon HD 7970 based on the Tahiti XT GPU. After weeks of speculations and rumors, here are the official specifications:

  • GPU: Tahiti XT @ 925MHz, 28nm TSMC, 4.31 billion transitors
  • Stream processors: 2048, Graphics Core Next (GCN) architecture
  • Compute units: 32 (64 SP/CU)
  • Texture units: 128
  • Texture fillrate: 118.4 GT/sec
  • Color ROPs: 32
  • Z-stencil ROPs:128
  • Memory: 3GB GDDR5 @ 1375MHz real speed or 5500MHz effective speed (see HERE for info about memory speed)
  • Memory bandwidth: 264 GB/sec, 384-bit memory interface
  • TDP: 250W
  • Idle power: 2W
  • Power connectors: 6-pin + 8-pin
  • CrossFire: 2-way, 3-way and 4-way CF
  • 3D APIs: OpenGL 4.2, Direct3D 11.1
  • Computing APIs: OpenCL 1.2, DirectCompute 11, Microsoft C++ AMP
  • Price: around 500 euros



The Radeon HD 7970 is around 35% to 40% faster than previous Radeon HD 6970 and around 20% faster than GeForce GTX 580. And with its 2 or 3 W of power consumption at idle state, this card is perfect for a system that mixes HTPC services and gaming platform. In the overclocking side, the HD 7970 seems to show good capabilities: some reviewers have reached 1075MHz (+16% overclock).

AMD Radeon HD 7970, GPU-Z

AMD Radeon HD 7970, GCN architecture

AMD Radeon HD 7970, GCN architecture

AMD Radeon HD 7970, PowerTune

AMD Radeon HD 7970, ZeroCore Power Technology

AMD Radeon HD 7970, Power consumption, FurMark

AMD Radeon HD 7970, GPU temperature, FurMark

AMD Radeon HD 7970, FurMark stress test

AMD Radeon HD 7970, FurMark stress test

AMD Radeon HD 7970, 3DMark11


2 – Radeon HD 7970 Reviews





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