AMD Radeon R9 M270X vs AMD Radeon HD 7970M
GPU Specs Compare
Graphics Card
Release Date
Feb 2015
Apr 2012
Generation
Gem System
London
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1375 MHz
1200 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
153.6GB/s
Render Config
Compute Units
12
20
Shading Units
768
1280
TMUs
48
80
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
27.20 GPixel/s
Texture Rate
48.00 GTexel/s
68.00 GTexel/s
FP32 (float)
1.536 TFLOPS
2.176 TFLOPS
FP64 (double)
96.00 GFLOPS
136.0 GFLOPS
Graphics Processor
GPU Name
Saturn
Wimbledon
GPU Variant
Saturn PRO(216-0843044)
Wimbledon XT(216-0836036)
Architecture
GCN 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
2.8 billion
Die Size
160 mm²
212 mm²
Board Design
TDP
Unknown
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2.170
1.2
Shader Model
6.5
5.1