AMD Radeon R9 M280X vs AMD Radeon HD 6950
GPU · Specs Compare
Graphics Card
Release Date
Feb 2015
Dec 2010
Generation
Gem System
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
—
Boost Clock
1000 MHz
—
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
160.0GB/s
Render Config
Compute Units
14
22
Shading Units
896
1408
TMUs
56
88
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
25.60 GPixel/s
Texture Rate
56.00 GTexel/s
70.40 GTexel/s
FP32 (float)
1.792 TFLOPS
2.253 TFLOPS
FP64 (double)
112.0 GFLOPS
563.2 GFLOPS
Graphics Processor
GPU Name
Saturn
Cayman
GPU Variant
Saturn XT(216-0843024)
Cayman PRO(215-0807019)
Architecture
GCN 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.08 billion
2.64 billion
Die Size
160 mm²
389 mm²
Board Design
TDP
Unknown
200W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
—
550 W
Power Connectors
—
2x 6-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2.170
N/A
Shader Model
6.5
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.