AMD Radeon HD 7970 GHz Edition: GPU Specs & Benchmarks

The Radeon HD 7970 GHz Edition is a graphics card by AMD, built on the 28 nm process and based on the Tahiti graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Tahiti

Model number

Tahiti XT2
(215-0821065)

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

4,313 million

Die Size

352 mm²

Graphics Card

Release Date

Jun 22nd, 2012

Family

Southern Islands
(HD 7900)

Production

End-of-life

Launch Price

499 USD

Predecessor

Northern Islands

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

3 GB

Memory Type

GDDR5

Memory Bus

384 bit

Bandwidth

288.0 GB/s

Performance

Pixel fillrate

33.60 GPixel/s

Texture fillrate

134.4 GTexel/s

FP32 (float) performance

4.301 TFLOPS

FP64 (double) performance

1,075 GFLOPS (1:4)

Clock Speeds

Base Clock

1000 MHz

Boost Clock

1050 MHz

Memory Clock

1500 MHz
6 Gbps effective

Render Config

Shading Units

2048

TMUs

128

ROPs

32

Compute Units

32

L1 Cache

16 KB (per CU)

L2 Cache

768 KB

Board Design

Slot Width

Dual-slot

Length

275 mm
10.8 inches

Width

111 mm
4.4 inches

Height

38 mm
1.5 inches

Thermal design power (TDP)

300 W

Suggested PSU

700 W

Display Connectors

1x DVI
1x HDMI
2x mini-DisplayPort

Power Connectors

1x 6-pin + 1x 8-pin

Board Number

C386-37

API support

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1