GeForce GTX 480M and Radeon HD 6950M - video card comparison
GeForce GTX 480M
Radeon HD 6950M
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N11E-GTX-A3
Blackcomb Pro
Market segment
Laptop
Laptop
Release date
May 2010
January 2011
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
None
-
SLI options
+
-
Core clock speed
425 MHz
580 MHz
Floating-point performance
598.4 gflops
1,113.6 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
3,100 million
1,700 million
Pipelines / CUDA cores
352
960
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
18.7 billion/sec
27.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
900 MHz
Memory bandwidth
76.8 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Maximum VGA resolution
2048x1536
-
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A