Radeon HD 5870 Eyefinity vs Radeon HD 6990

Radeon HD 5870 Eyefinity
Radeon HD 6990
1600 Shaders
2GB GDDR5
850MHz
2x 1536 Shaders
2x 2GB GDDR5
830MHz
FP32
2.72 TFLOPS
FP32
5.1 TFLOPS
-
-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
228W
TDP
375W
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
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
ATI
Manufacturer
AMD
Chip Designer
ATI
Chip Designer
AMD
Architecture
TeraScale 2
Architecture
TeraScale 3
Family
Radeon HD 5000
Family
Radeon HD 6000
Codename
Cypress
RV870
Variant
Cypress XT
Codename
Cayman
RV970
Variant
Antilles XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/11/2010
Release Date
3/8/2011
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
40nm
-
Fabrication Node
40nm
-
Die Size
334 mm²
-
Die Size
2x 389 mm²
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Transistor Count
2.2 Billion
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Transistor Count
2x 2.6 Billion
-
Transistor Density
6.45M/mm²
-
Transistor Density
6.79M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
1600 Shaders
-
Shading Units
2x 1536 Shaders
-
Texture Mapping Units
80 TMUs
Texture Mapping Units
2x 96 TMUs
Render Output Units
32 ROPs
Render Output Units
2x 32 ROPs
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-
-
-
-
-
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-
-
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-
Compute Units
20 CUs
Compute Units
2x 24 CUs
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850MHz
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830MHz
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-
-
-
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-
-
-
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-
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-
-
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-
-
FP32
2.72 TFLOPS
FP32
5.1 TFLOPS
-
-
-
-
FP64
0.54 TFLOPS
-
FP64
1.27 TFLOPS
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-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
27.2 GPixel/s
Pixel Fillrate
26.56 GPixel/s
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-
-
-
Texture Fillrate
68 GTexel/s
Texture Fillrate
79.68 GTexel/s
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-
-
-
L1
-
-
8KB/CU
-
L1
-
-
8KB/CU
-
L2
512KB Shared
L2
512KB Shared
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-
-
-
-
-
2GB
GDDR5
-
2x 2GB
GDDR5
-
Bus Width
256Bit
Bus Width
256Bit
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
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TDP
228W
TDP
375W
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-
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6x mini-DisplayPort 1.1
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-
1x DVI-I Dual-Link
-
-
-
-
-
4x mini-DisplayPort 1.1
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-
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-
-
-
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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
6
Multi Monitor Support
4
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-
-
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No Encoders
-
No Encoders
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Model
UVD 2.2
Model
UVD 3.1
Codec
-
-
-
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VC-1
-
-
-
AVC (H.264)
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
11
Direct 3D
11_0
Direct X
11
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
-
-
OpenGL
4.5
OpenCL
1.2
-
-
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Shader Model
5.0
-
-
GFX
5
-
-
-
-
-
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1x Fan
-
-
-
1x Fan
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
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
4-way CrossFireX
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
37 mm (1.46 in)
Height
115 mm (4.53 in)
Width
310 mm (12.2 in)
Depth
40 mm (1.57 in)
Change Results