ATI Radeon HD 5870 vs AMD Radeon HD 6990
ATI Radeon HD 5870
$379
AMD Radeon HD 6990
$699
|
1600 Shaders
1GB GDDR5
850MHz
|
2x 1536 Shaders
4GB (2x 2GB) GDDR5
830MHz
|
|
Peak AI Performance
2.72 TFLOPS
FP32
|
Peak AI Performance
5.1 TFLOPS
FP32
|
|
FP32
2.72 TFLOPS
|
FP32
5.1 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
188W
|
TDP
375W
|
|
Power Connectors
2x 6-Pin
-
|
Power Connectors
-
2x 8-Pin
|
Peak AI Performance
|
|
Radeon HD 5870 - 2.72 TFLOPS FP32
x1
Radeon HD 6990 - 5.1 TFLOPS FP32
x1.88
FP32
|
|
Radeon HD 5870 - 2.72 TFLOPS FP32
x1
Radeon HD 6990 - 5.1 TFLOPS FP32
x1.88
|
|
Radeon HD 5870 - 153.6GB/s
x1
Radeon HD 6990 - 160GB/s
x1.04
|
|
Radeon HD 5870 - 188W
x1
Radeon HD 6990 - 375W
x1.99
|
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
9/23/2009
|
Release Date
3/8/2011
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
40nm
|
Fabrication Node
40nm
|
|
Die Size
334 mm²
|
Die Size
2x 389 mm²
|
|
Transistor Count
2.2 Billion
|
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
|
|
Compute Units
20 CUs
|
Compute Units
2x 24 CUs
|
|
850MHz
|
830MHz
|
|
Peak AI Performance
2.72 TFLOPS
FP32
|
Peak AI Performance
5.1 TFLOPS
FP32
|
|
FP32
2.72 TFLOPS
|
FP32
5.1 TFLOPS
|
|
FP64
540 GFLOPS
|
FP64
1.27 TFLOPS
|
|
Pixel Fillrate
27.2 GPixel/s
|
Pixel Fillrate
26.56 GPixel/s
|
|
Texture Fillrate
68 GTexel/s
|
Texture Fillrate
79.68 GTexel/s
|
|
L1
8KB/CU
|
L1
8KB/CU
|
|
L2
512KB Shared
|
L2
512KB Shared
|
|
1GB
GDDR5
|
4GB (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
|
|
TDP
188W
|
TDP
375W
|
|
2x DVI-I Dual-Link
-
1x DisplayPort 1.1
1x HDMI 1.3
|
1x DVI-I Dual-Link
4x mini-DisplayPort 1.1
-
-
|
|
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
2
|
Multi Monitor Support
4
|
|
No Encoders
|
No Encoders
|
|
Model
UVD 2.2
|
Model
UVD 3.1
|
|
Codec
-
-
-
VC-1
AVC (H.264)
|
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
|
|
1x Fan
|
1x Fan
|
|
Power Connectors
2x 6-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)
|
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