Radeon HD 6990 vs Radeon HD 5830

Radeon HD 6990
Radeon HD 5830
2x 1536 Shaders
2x 2GB GDDR5
830MHz
1120 Shaders
1GB GDDR5
800MHz
FP32
5.1 TFLOPS
FP32
1.79 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
375W
TDP
175W
Power Connectors
-
2x 8-Pin
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-
Power Connectors
2x 6-Pin
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-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
ATI
Chip Designer
AMD
Chip Designer
ATI
Architecture
TeraScale 3
Architecture
TeraScale 2
Family
Radeon HD 6000
Family
Radeon HD 5000
Codename
Cayman
RV970
Variant
Antilles XT
Codename
Cypress
RV870
Variant
Cypress LE
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/8/2011
Release Date
2/25/2010
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
2x 389 mm²
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Die Size
334 mm²
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Transistor Count
2x 2.6 Billion
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Transistor Count
2.2 Billion
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Transistor Density
6.79M/mm²
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Transistor Density
6.45M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2x 1536 Shaders
-
Shading Units
1120 Shaders
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Texture Mapping Units
2x 96 TMUs
Texture Mapping Units
56 TMUs
Render Output Units
2x 32 ROPs
Render Output Units
16 ROPs
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Compute Units
2x 24 CUs
Compute Units
14 CUs
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830MHz
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800MHz
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FP32
5.1 TFLOPS
FP32
1.79 TFLOPS
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-
FP64
1.27 TFLOPS
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FP64
0.36 TFLOPS
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Pixel Fillrate
26.56 GPixel/s
Pixel Fillrate
12.8 GPixel/s
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Texture Fillrate
79.68 GTexel/s
Texture Fillrate
44.8 GTexel/s
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L1
-
-
8KB/CU
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L1
-
-
8KB/CU
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L2
512KB Shared
L2
512KB Shared
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2x 2GB
GDDR5
-
1GB
GDDR5
-
Bus Width
256Bit
Bus Width
256Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
128GB/s
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TDP
375W
TDP
175W
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1x DVI-I Dual-Link
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4x mini-DisplayPort 1.1
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2x DVI-I Dual-Link
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1x DisplayPort 1.1
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1x HDMI 1.3
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-
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
Variable Refresh Rate
-
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
4
Multi Monitor Support
2
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No Encoders
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No Encoders
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Model
UVD 3.1
Model
UVD 2.2
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
-
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VC-1
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AVC (H.264)
-
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Direct X
11
Direct 3D
11_0
Direct X
11
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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-
OpenGL
4.5
OpenCL
1.2
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Shader Model
5.0
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GFX
5
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Shader Model
5.0
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GFX
4
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1x Fan
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1x Fan
Power Connectors
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2x 8-Pin
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Power Connectors
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2x 6-Pin
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Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
Multi GPU Support
Supported
Type
4-way CrossFireX
Height
115 mm (4.53 in)
Width
310 mm (12.2 in)
Depth
40 mm (1.57 in)
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
37 mm (1.46 in)
Change Results