Mobility Radeon HD 5870 Crossfire and Radeon HD 6990M - video card comparison
Mobility Radeon HD 5870 Crossfire
Radeon HD 6990M
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Broadway-XT
Blackcomb XTX
Market segment
Laptop
Laptop
Release date
January 2010
July 2011
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
Core clock speed
700 MHz
715 MHz
Floating-point performance
-
1,601.6 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
-
1,700 million
Pipelines / CUDA cores
1600
1120
Power consumption (TDP)
120 Watt
100 Watt
Texture fill rate
-
40.04
Memory type
DDR3, GDDR3, GDDR5
GDDR5
Maximum RAM amount
2x1 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
900 MHz
Memory bandwidth
-
115.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
11.2 (11_0)
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A