GeForce GTX 485M and Radeon HD 6990M - video card comparison
GeForce GTX 485M
Radeon HD 6990M
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N12E-GTX-A1
Blackcomb XTX
Market segment
Laptop
Laptop
Release date
January 2010
July 2011
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
None
None
SLI options
+
-
Core clock speed
1150 MHz
715 MHz
Floating-point performance
883.2 gflops
1,601.6 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,950 million
1,700 million
Pipelines / CUDA cores
384
1120
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
36.8 billion/sec
40.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1500 MHz
900 MHz
Memory bandwidth
96.0 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Maximum VGA resolution
2048x1536
-
DirectX
12 (11_0)
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