AMD Radeon HD 7970M vs AMD Radeon R9 M295X
GPU Specs Compare
Graphics Card
Release Date
Apr 2012
Nov 2014
Generation
London
Crystal System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
23.14 GPixel/s
Texture Rate
68.00 GTexel/s
92.54 GTexel/s
FP32 (float)
2.176 TFLOPS
2.961 TFLOPS
FP64 (double)
136.0 GFLOPS
185.1 GFLOPS
FP16 (half)
-
2.961 TFLOPS
Graphics Processor
GPU Name
Wimbledon
Amethyst
GPU Variant
Wimbledon XT(216-0836036)
Amethyst XT
Architecture
GCN 1.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
5 billion
Die Size
212 mm²
366 mm²
Board Design
TDP
100W
250W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3