Radeon HD 6790 and Radeon HD 6690G2 - video card comparison
Radeon HD 6790
Radeon HD 6690G2
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Barts
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Market segment
Desktop
Laptop
Release date
April 2011
June 2011
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
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Core clock speed
840 MHz
-
Floating-point performance
1,344.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
800
880
Power consumption (TDP)
150 Watt
-
Texture fill rate
33.60
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
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Memory bus width
256 Bit
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Memory clock speed
1050 MHz
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Memory bandwidth
134.4 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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HDMI
+
-
DirectX
11.2 (11_0)
11
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
Vulkan
N/A
-