Radeon HD 8990 OEM and RSX-CXD2991 - video card comparison
Radeon HD 8990 OEM
RSX-CXD2991
Architecture
GCN 1.0 (2012−2020)
Curie (2003−2013)
GPU code name
Malta
RSX-CXD2991
Market segment
Desktop
Desktop
Release date
April 2013
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Interface
PCIe 3.0 x16
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Supplementary power connectors
2x 8-pin
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Boost clock speed
1000 MHz
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Core clock speed
950 MHz
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Floating-point performance
2x 4,096 gflops
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Manufacturing process technology
28 nm
65 nm
Number of transistors
4,313 million
300 million
Pipelines / CUDA cores
2048
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Power consumption (TDP)
375 Watt
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Texture fill rate
128.0
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Memory type
GDDR5
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Maximum RAM amount
3 GB
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Memory bus width
384 Bit
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Memory clock speed
6000 MHz
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Memory bandwidth
288.0 GB/s
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Display Connectors
1x DVI, 4x mini-DisplayPort
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DirectX
12 (11_1)
N/A
OpenCL
1.2
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OpenGL
4.6
ES 1.1
Shader Model
5.1
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Vulkan
1.2.131
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