Radeon HD 8790M and Radeon HD 6690G2 - video card comparison
Radeon HD 8790M
Radeon HD 6690G2
Architecture
GCN (2011−2017)
Terascale 2 (2009−2015)
GPU code name
Mars XTX
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Market segment
Laptop
Laptop
Release date
November 2012
June 2011
Interface
MXM-A (3.0)
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Supplementary power connectors
None
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Boost clock speed
900 MHz
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Core clock speed
850 MHz
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Floating-point performance
691.2 gflops
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Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
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Pipelines / CUDA cores
384
880
Power consumption (TDP)
unknown
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Texture fill rate
21.60
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Memory type
GDDR5
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Maximum RAM amount
2 GB
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Memory bus width
128 Bit
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Memory clock speed
4500 MHz
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Memory bandwidth
64 GB/s
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Shared memory
-
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Display Connectors
No outputs
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DirectX
12 (11_1)
11
OpenCL
1.2
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OpenGL
4.6
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Shader Model
5.1
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Vulkan
1.2.131
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