Radeon HD 6990 and GeForce GTX 460 768MB - video card comparison
Radeon HD 6990
GeForce GTX 460 768MB
Architecture
TeraScale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Antilles
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Market segment
Desktop
Desktop
Release date
March 2011
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Interface
PCIe 2.0 x16
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Supplementary power connectors
2x 8-pin
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Core clock speed
830 MHz
675 MHz
Floating-point performance
2x 2,549.8 gflops
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Manufacturing process technology
40 nm
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Number of transistors
2,640 million
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Pipelines / CUDA cores
1536
336
Power consumption (TDP)
375 Watt
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Texture fill rate
79.68
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Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
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Memory bus width
256 Bit
192 Bit
Memory clock speed
5000 MHz
1800 MHz
Memory bandwidth
160.0 GB/s
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Display Connectors
1x DVI, 4x mini-DisplayPort
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DirectX
11.2 (11_0)
11
OpenCL
1.2
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OpenGL
4.4
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Shader Model
5.0
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Vulkan
N/A
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