AMD Radeon HD 7970M vs AMD Radeon R9 290X
GPU Specs Compare
Graphics Card
Release Date
Apr 2012
Oct 2013
Generation
London
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
153.6GB/s
320.0GB/s
Render Config
Compute Units
20
44
Shading Units
1280
2816
TMUs
80
176
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
64.00 GPixel/s
Texture Rate
68.00 GTexel/s
176.0 GTexel/s
FP32 (float)
2.176 TFLOPS
5.632 TFLOPS
FP64 (double)
136.0 GFLOPS
704.0 GFLOPS
Graphics Processor
GPU Name
Wimbledon
Hawaii
GPU Variant
Wimbledon XT(216-0836036)
Hawaii XT(215-0852000)
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
6.2 billion
Die Size
212 mm²
438 mm²
Board Design
TDP
100W
290W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5