Radeon HD 6970M Crossfire and GeForce GTX 580M - video card comparison
Radeon HD 6970M Crossfire
GeForce GTX 580M
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Blackcomb XT
N12E-GTX2
Market segment
Laptop
Laptop
Release date
January 2011
June 2011
Bus support
-
PCI-E 2.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
680 MHz
620 MHz
CUDA cores
-
384
Floating-point performance
-
952.3 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2x1700 Million
1,950 million
Pipelines / CUDA cores
1920
384
Power consumption (TDP)
-
100 Watt
Texture fill rate
-
39.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x2 GB
2 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
1500 MHz
Memory bandwidth
-
96.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+