Radeon HD 6790 vs Radeon HD 4730
Radeon HD 6790
Radeon HD 4730
|
800 Shaders
1GB GDDR5
840MHz
|
640 Shaders
512MB GDDR5
750MHz
|
|
FP32
1.34 TFLOPS
|
FP32
0.96 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
1.0-Slots
|
|
TDP
150W
|
TDP
110W
|
|
Power Connectors
1x 6-Pin
-
-
-
|
Power Connectors
1x 6-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
AMD
|
Manufacturer
ATI
|
|
Chip Designer
AMD
|
Chip Designer
ATI
|
|
Architecture
TeraScale 2
|
Architecture
TeraScale 1
|
|
Family
Radeon HD 6000
|
Family
Radeon HD 4000
|
|
Codename
Barts
RV940
Variant
Barts LE
|
Codename
Wekiva
RV770
Variant
RV770 CE
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
4/4/2011
|
Release Date
6/8/2009
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
55nm
-
|
|
Die Size
255 mm²
-
|
Die Size
256 mm²
-
|
|
Transistor Count
1.7 Billion
-
|
Transistor Count
956 Million
-
|
|
Transistor Density
6.67M/mm²
-
|
Transistor Density
3.73M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
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
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
10 CUs
|
Compute Units
8 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
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-
-
-
840MHz
|
-
-
-
750MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
1.34 TFLOPS
|
FP32
0.96 TFLOPS
|
|
-
-
|
-
-
|
|
-
-
-
|
FP64
0.19 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
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
-
|
|
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
110W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.1
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.3
-
-
-
-
-
|
-
1x S-Video
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
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
2
|
|
-
-
|
-
-
|
|
No Encoders
-
|
No Encoders
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Model
UVD 3.0
|
Model
UVD 2.0
|
|
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
-
-
|
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
|
Slots Required
1.0
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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