AMD Radeon HD 6790 vs ATI Radeon HD 4810
AMD Radeon HD 6790
$149
ATI Radeon HD 4810
|
800 Shaders
1GB GDDR5
840MHz
|
640 Shaders
512MB GDDR5
750MHz
|
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Peak AI Performance
1.34 TFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
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FP32
1.34 TFLOPS
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FP32
960 GFLOPS
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
150W
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TDP
95W
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Power Connectors
1x 6-Pin
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Power Connectors
1x 6-Pin
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Peak AI Performance
|
|
Radeon HD 6790 - 1.34 TFLOPS FP32
x1.4
Radeon HD 4810 - 960 GFLOPS FP32
x1
FP32
|
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Radeon HD 6790 - 1.34 TFLOPS FP32
x1.4
Radeon HD 4810 - 960 GFLOPS FP32
x1
|
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Radeon HD 6790 - 134.4GB/s
x2.33
Radeon HD 4810 - 57.6GB/s
x1
|
|
Radeon HD 6790 - 150W
x1.58
Radeon HD 4810 - 95W
x1
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Manufacturer
AMD
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Manufacturer
ATI
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Chip Designer
AMD
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Chip Designer
ATI
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Architecture
TeraScale 2
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Architecture
TeraScale 1
|
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Family
Radeon HD 6000
|
Family
Radeon HD 4000
|
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Codename
Barts
RV940
Variant
Barts LE
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Codename
Wekiva
RV770
Variant
RV770 CE
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
4/4/2011
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Release Date
5/28/2009
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Foundry
TSMC
|
Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
55nm
|
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Die Size
255 mm²
|
Die Size
256 mm²
|
|
Transistor Count
1.7 Billion
|
Transistor Count
956 Million
|
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Transistor Density
6.67M/mm²
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Transistor Density
3.73M/mm²
|
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Form
PCIe Card
|
Form
PCIe Card
|
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Shading Units
800 Shaders
|
Shading Units
640 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
8 ROPs
|
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Compute Units
10 CUs
|
Compute Units
8 CUs
|
|
-
840MHz
|
625MHz Base
750MHz
|
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Peak AI Performance
1.34 TFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
|
FP32
1.34 TFLOPS
|
FP32
960 GFLOPS
|
|
-
-
|
FP64
190 GFLOPS
|
|
Pixel Fillrate
13.44 GPixel/s
|
Pixel Fillrate
6 GPixel/s
|
|
Texture Fillrate
33.6 GTexel/s
|
Texture Fillrate
24 GTexel/s
|
|
L1
8KB/CU
|
L1
16KB/CU
|
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L2
512KB Shared
|
L2
256KB Shared
|
|
1GB
GDDR5
|
512MB
GDDR5
|
|
Bus Width
256Bit
|
Bus Width
128Bit
|
|
Clock
1050MHz
Transfer Rate
4.2GT/s
Bandwidth
134.4GB/s
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
57.6GB/s
|
|
TDP
150W
|
TDP
95W
|
|
-
2x DVI-I Dual-Link
1x DisplayPort 1.1
1x HDMI 1.3
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1x S-Video
2x DVI-I Dual-Link
-
-
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Max Resolution
2560x1600
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Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
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Variable Refresh Rate
|
Variable Refresh Rate
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
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Multi Monitor Support
2
|
Multi Monitor Support
2
|
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No Encoders
|
No Encoders
|
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Model
UVD 3.0
|
Model
UVD 2.0
|
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
-
-
-
VC-1
AVC (H.264)
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
10
Direct 3D
10_1
|
|
OpenGL
4.5
OpenCL
1.2
|
OpenGL
3.3
OpenCL
1.1
|
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Shader Model
5.0
GFX
4
|
Shader Model
4.1
GFX
3
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1x Fan
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1x Fan
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Power Connectors
1x 6-Pin
|
Power Connectors
1x 6-Pin
|
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Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
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
198 mm (7.8 in)
Depth
36 mm (1.42 in)
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