GPUSPECINDEX

AMD · GCN 1 · 2011

Radeon HD 7970 (Tahiti XT) — 3 GB

Radeon HD 7970 (Tahiti XT) — 3 GB: 3 GB GDDR5, 250 W, 2,048 Stream processors. Launched December 2011 at $550.

Memory
3 GB
Power
250 W
Bus width
384 bit
Memory3 GB5 of 183 in Radeon HD
Power250 W5 of 157 by higher draw in Radeon HD
Stream processors2,0481 of 179 in Radeon HD
Launch price$5504 of 75 in Radeon HD

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Memory

Capacity
3 GB
Memory type
GDDR5
Bus width
384 bit
Memory clock
1,375 MHz
Bandwidth
264 GB/s

Compute

Stream processors
2,048
TMUs
128
ROPs
32
FP32
3,788.8 GFLOPS
FP64
947.2 GFLOPS
Pixel fill rate
29.6 GP/s
Texture fill rate
118.4 GT/s

Board

TDP
250 W
Bus interface
PCIe 3.0 ×16
Form factor
desktop
Launch MSRP
550 USD

Physical

Architecture
GCN 1
Process
28 nm
Transistors
4.313 billion
Die size
352 mm²
Series
Radeon HD
Launch date
December 2011

Not recorded by the source: generation, codename, sm count and base clock, or 2 further fields.

Silicon, made visible

Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.

352 mm² die · 2,048 shadersDie area drawn to scale against the catalog maximum of 1,540 square millimeters. Each dot = 16 shaders.352 mm² die · 2,048 shadersEach dot = 16 shadersDashed frame = largest catalog die (1,540 mm²)

Within its series, the Radeon HD 7970 (Tahiti XT) ranks 5th of 121 for FP32 throughput and 5th of 183 for memory capacity. Its 250 W TDP is above the 75 W PCIe slot-power ceiling.

Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16