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AMD Radeon HD 7970 GHz Edition

Tahiti
Graphics Processor
2048
Cores
128
TMUs
32
ROPs
3 GB
Memory Size
GDDR5
Memory Type
384 bit
Bus Width
AMD Radeon HD 7970 GHz Edition Photo AMD Tahiti Photo
The Radeon HD 7970 GHz Edition was a high-end graphics card by AMD, launched in June 2012. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti XT2 variant, the card supports DirectX 12.0. The Tahiti graphics processor is a large chip with a die area of 352 mm² and 4,313 million transistors. It features 2048 shading units, 128 texture mapping units and 32 ROPs. AMD has placed 3,072 MB GDDR5 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 1000 MHz, which can be boosted up to 1050 MHz, memory is running at 1500 MHz.
Being a dual-slot card, the AMD Radeon HD 7970 GHz Edition draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 300 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 7970 GHz Edition is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 274 mm in length, and features a dual-slot cooling solution. Its price at launch was 499 US Dollars.

Graphics Processor

GPU Name
Tahiti
GPU Variant
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
Generation
Southern Islands
(HD 7900)
Production
End-of-life
Launch Price
499 USD
Bus Interface
PCIe 3.0 x16

Relative Performance

3%
4%
5%
6%
7%
8%
9%
12%
12%
13%
14%
14%
17%
18%
19%
19%
20%
21%
22%
24%
24%
25%
26%
29%
29%
30%
30%
30%
31%
31%
33%
35%
35%
36%
37%
37%
37%
37%
38%
38%
40%
41%
44%
45%
45%
47%
47%
48%
52%
53%
54%
54%
55%
57%
57%
58%
59%
62%
63%
64%
64%
64%
64%
69%
70%
72%
72%
73%
73%
73%
75%
75%
77%
83%
85%
87%
88%
89%
90%
92%
94%
96%
99%
100%
100%
Radeon HD 7970 GHz Edition
111%
122%
124%
132%
133%
134%
136%
137%
138%
140%
141%
141%
142%
150%
153%
155%
155%
171%
174%
177%
190%
208%
216%
232%
232%
245%
274%
287%
294%
321%
365%
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
1000 MHz
Boost Clock
1050 MHz
Memory Clock
1500 MHz
6000 MHz effective

Memory

Memory Size
3 GB
Memory Type
GDDR5
Memory Bus
384 bit
Bandwidth
288.0 GB/s

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32

Theoretical Performance

Pixel Rate
33.60 GPixel/s
Texture Rate
134.4 GTexel/s
FP32 (float) performance
4,301 GFLOPS
FP64 (double) performance
1,075 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.8 inches
274 mm
TDP
300 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
C386

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.77
Shader Model
5.1

Card Notes

128 Z/Stencil ROP Units

Tahiti GPU Notes

Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873

Retail boards based on this design (16)

Name GPU Clock Boost Clock Memory Clock Other Changes
ASUS ROG Matrix HD 7970 1000 MHz 1050 MHz 1500 MHz 11 inches/279 mm, Triple-slot, 2x DVI 4x DisplayPort
ASUS ROG Matrix HD 7970 Platinum 1050 MHz 1100 MHz 1650 MHz 11 inches/279 mm, Triple-slot, 2x DVI 4x DisplayPort
Club 3D HD 7970 royalAce 1050 MHz 1100 MHz 1500 MHz 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7970 XT2 '13Series 1050 MHz 1100 MHz 1500 MHz 10.55 inches/268 mm
Diamond HD 7970 GHz Edition 1000 MHz 1050 MHz 1500 MHz 2x DVI 1x HDMI 1x DisplayPort
GIGABYTE HD 7970 WindForce 3X OC 1050 MHz 1100 MHz 1500 MHz 11.22 inches/285 mm
HIS HD 7970 IceQ X² GHz Edition 1000 MHz 1050 MHz 1500 MHz 12.24 inches/311 mm
HIS HD 7970 X IceQ X² 1000 MHz 1050 MHz 1500 MHz 12.24 inches/311 mm, 1x DVI 1x HDMI 4x mini-DisplayPort
HIS HD 7970 X IceQ X² Turbo 1150 MHz 1180 MHz 1500 MHz 12.24 inches/311 mm, 1x DVI 1x HDMI 4x mini-DisplayPort
MSI HD 7970 Lightning BE 1070 MHz 1150 MHz 1500 MHz 12 inches/305 mm, 2x DVI 4x mini-DisplayPort
MSI HD 7970 Power Edition BE 1020 MHz 1100 MHz 1500 MHz 12 inches/305 mm, 2x DVI 4x mini-DisplayPort
Sapphire HD 7970 Toxic 6 GB 1100 MHz 1200 MHz 1600 MHz 6 GB, 10.83 inches/275 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7970 Vapor-X 1000 MHz 1050 MHz 1500 MHz 10.83 inches/275 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7970 Vapor-X 6 GB 1050 MHz 1100 MHz 1500 MHz 6 GB, 10.83 inches/275 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
VisionTek HD 7970 GHz Edition 1000 MHz 1050 MHz 1500 MHz 10.55 inches/268 mm
XFX Double D HD 7970 GHz Edition 1000 MHz 1050 MHz 1500 MHz