Radeon HD 6990M Crossfire and Radeon HD 7690M - video card comparison
Radeon HD 6990M Crossfire
Radeon HD 7690M
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Blackcomb XTX
Thames XT / XTX
Market segment
Laptop
Laptop
Release date
July 2011
June 2011
Interface
-
MXM-A (3.0)
Supplementary power connectors
-
None
Boost clock speed
-
725 MHz
Core clock speed
715 MHz
600 MHz
Floating-point performance
-
696.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2x1700 Million
716 million
Pipelines / CUDA cores
2240
480
Power consumption (TDP)
-
20 Watt
Texture fill rate
-
17.40
Memory type
GDDR5
GDDR5/DDR3
Maximum RAM amount
2x2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
3600/1800 MHz
Memory bandwidth
-
28.8 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