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AMD Radeon HD 7970M

Graphics Processor
Wimbledon
Cores
1280
TMUs
80
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
The Radeon HD 7970M was a graphics card by AMD, launched in April 2012. Built on the 28 nm process, and based on the Wimbledon graphics processor, in its Wimbledon XT variant, the card supports DirectX 12.0. The Wimbledon graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 850 MHz, memory is running at 1200 MHz.
Being a mxm module card, the AMD Radeon HD 7970M does not require any additional power connector, its power draw is rated at 100 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it.

Graphics Processor

GPU Name
Wimbledon
GPU Variant
Wimbledon XT
(216-0836036)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Die Size
212 mm²

Graphics Card

Release Date
Apr 24th, 2012
Generation
London
(HD 7900M)
Production
End-of-life
Bus Interface
MXM-B (3.0)

Relative Performance

5%
GeForce 210
6%
GeForce 9400 GT
8%
Radeon HD 4550
10%
Radeon HD 5450
12%
Radeon HD 6450
13%
GeForce GT 520
16%
GeForce GT 220
20%
GeForce GT 430
21%
Radeon HD 5570
22%
Radeon HD 4670
24%
GeForce GT 440
24%
GeForce GT 240
28%
GeForce 9600 GT
30%
Radeon HD 5670
32%
GeForce GT 640
33%
GeForce 9800 GT
34%
Radeon HD 6670
35%
Radeon HD 4830
38%
Radeon HD 4770
40%
Radeon HD 4850
40%
GeForce GTS 250
42%
GeForce GTS 450
43%
Radeon HD 5750
49%
Radeon HD 7750
50%
Radeon HD 5770
51%
GeForce GTX 260
51%
Radeon HD 4870
51%
Radeon Vega 8
52%
GeForce GTX 550 Ti
52%
GeForce GTX 650
55%
Radeon HD 5830
58%
Radeon HD 6790
59%
Radeon HD 4890
61%
GeForce GTX 460
62%
Radeon RX Vega 11
62%
GeForce GT 1030
63%
GeForce GTX 275
63%
Radeon HD 7770 GHz Edition
63%
GeForce GTX 280
64%
GeForce GTX 465
68%
Radeon HD 6850
69%
GeForce GTX 285
74%
Radeon HD 5850
75%
GeForce GTX 650 Ti
75%
Radeon HD 7790
78%
Radeon RX 550
79%
GeForce GTX 470
81%
Radeon HD 6870
87%
Radeon HD 5870
90%
GeForce GTX 560 Ti
90%
Radeon HD 4870 X2
92%
GeForce GTX 750 Ti
92%
Radeon HD 6950
95%
GeForce GTX 295
97%
GeForce GTX 650 Ti Boost
97%
Radeon HD 7850
99%
GeForce GTX 480
100%
Radeon HD 7970M
104%
Radeon HD 6970
106%
Radeon R7 265
107%
Radeon R7 370
107%
Radeon RX 560
108%
GeForce GTX 660
108%
GeForce GTX 570
117%
GeForce GTX 950
118%
Radeon HD 7870 GHz Edition
120%
Radeon R9 270X
122%
GeForce GTX 660 Ti
123%
GeForce GTX 580
123%
GeForce GTX 1050
124%
Radeon HD 7950
126%
Radeon RX 460
126%
Radeon HD 5970
130%
GeForce GTX 760
140%
GeForce GTX 670
143%
GeForce GTX 960
147%
Radeon R9 380
148%
Radeon R9 285
149%
Radeon HD 7970
151%
GeForce GTX 680
154%
GeForce GTX 1050 Ti
158%
GeForce GTX 770
162%
Radeon HD 6990
166%
Radeon R9 280X
168%
GeForce GTX 590
168%
Radeon HD 7970 GHz Edition
187%
GeForce GTX 780
193%
GeForce GTX 1650
205%
Radeon RX 470
208%
Radeon R9 290
222%
Radeon R9 390
223%
Radeon R9 290X
226%
GeForce GTX 970
229%
GeForce GTX TITAN
231%
Radeon RX 570
232%
GeForce GTX 780 Ti
236%
Radeon R9 390X
237%
Radeon HD 7990
238%
Radeon RX 480
240%
GeForce GTX 690
253%
Radeon RX 580
258%
GeForce GTX 980
261%
GeForce GTX 1060 6 GB
261%
Radeon R9 FURY
263%
Radeon RX 590
287%
Radeon R9 295X2
292%
Radeon R9 FURY X
297%
GeForce GTX 980 Ti
320%
GeForce GTX TITAN X
335%
GeForce GTX 1660 Ti
337%
GeForce GTX 1070
352%
Radeon RX Vega 56
382%
GeForce GTX 1070 Ti
391%
Radeon RX Vega 64
391%
GeForce RTX 2060
401%
GeForce GTX 1080
461%
GeForce RTX 2070
461%
Radeon VII
483%
TITAN X Pascal
495%
GeForce GTX 1080 Ti
535%
GeForce RTX 2080
619%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
850 MHz
Memory Clock
1200 MHz
4800 MHz effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
153.6 GB/s

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
27.20 GPixel/s
Texture Rate
68.00 GTexel/s
FP32 (float) performance
2.176 TFLOPS
FP64 (double) performance
136.0 GFLOPS (1:16)

Board Design

Slot Width
MXM Module
TDP
100 W
Outputs
No outputs
Power Connectors
None
Board Number
C429

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
Shader Model
5.1

Card Notes

- 512KB L2 read/write cache

Wimbledon GPU Notes

Architecture Codename: Southern Islands
Chip Variant: Pitcairn
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0

Retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
Dell HD 7970M 850 MHz 1200 MHz