The SAPPHIRE HD 7970 graphics card incorporates the 28 nm process technology and features the GCN-optimized graphics processing architecture. This single-chip GPU has an internal structure with 32 compute units and a total of 2048 stream processors. It ships with a core clock speed of 925 MHz. Its AMD Powertune technology allows enthusiasts to increase performance by overclocking. Additionally, a 384-bit high speed memory interface with over 264 Gbps memory bandwidth, connects to a large 3 GB array of the DDR5 memory.