ATI Radeon HD 4730 vs ATI Radeon HD 4770
ATI Radeon HD 4730
ATI Radeon HD 4770
$109
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640 Shaders
512MB GDDR5
750MHz
|
640 Shaders
512MB GDDR5
750MHz
|
|
Peak AI Performance
960 GFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
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FP32
960 GFLOPS
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FP32
960 GFLOPS
|
|
Form Factor
PCIe Card
1.0-Slots
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Form Factor
PCIe Card
1.0-Slots
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|
TDP
110W
|
TDP
80W
|
|
Power Connectors
1x 6-Pin
|
Power Connectors
1x 6-Pin
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Peak AI Performance
|
|
Radeon HD 4730 - 960 GFLOPS FP32
x1
Radeon HD 4770 - 960 GFLOPS FP32
x1
FP32
|
|
Radeon HD 4730 - 960 GFLOPS FP32
x1
Radeon HD 4770 - 960 GFLOPS FP32
x1
|
|
Radeon HD 4730 - 57.6GB/s
x1.13
Radeon HD 4770 - 51.2GB/s
x1
|
|
Radeon HD 4730 - 110W
x1.38
Radeon HD 4770 - 80W
x1
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Manufacturer
ATI
|
Manufacturer
ATI
|
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Chip Designer
ATI
|
Chip Designer
ATI
|
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Architecture
TeraScale 1
|
Architecture
TeraScale 1
|
|
Family
Radeon HD 4000
|
Family
Radeon HD 4000
|
|
Codename
Wekiva
RV770
Variant
RV770 CE
|
Codename
Walden
RV740
Variant
RV740
|
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Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
6/8/2009
|
Release Date
4/28/2009
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
55nm
|
Fabrication Node
40nm
|
|
Die Size
256 mm²
|
Die Size
137 mm²
|
|
Transistor Count
956 Million
|
Transistor Count
826 Million
|
|
Transistor Density
3.73M/mm²
|
Transistor Density
6.03M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
640 Shaders
|
Shading Units
640 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
16 ROPs
|
|
Compute Units
8 CUs
|
Compute Units
8 CUs
|
|
750MHz
|
750MHz
|
|
Peak AI Performance
960 GFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
|
FP32
960 GFLOPS
|
FP32
960 GFLOPS
|
|
FP64
190 GFLOPS
|
FP64
190 GFLOPS
|
|
Pixel Fillrate
6 GPixel/s
|
Pixel Fillrate
12 GPixel/s
|
|
Texture Fillrate
24 GTexel/s
|
Texture Fillrate
24 GTexel/s
|
|
L1
16KB/CU
|
L1
16KB/CU
|
|
L2
256KB Shared
|
L2
128KB Shared
|
|
512MB
GDDR5
|
512MB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
57.6GB/s
|
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
|
|
TDP
110W
|
TDP
80W
|
|
1x S-Video
2x DVI-I Dual-Link
|
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
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
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No Encoders
|
No Encoders
|
|
Model
UVD 2.0
|
Model
UVD 2.2
|
|
Codec
VC-1
AVC (H.264)
|
Codec
VC-1
AVC (H.264)
|
|
Direct X
10
Direct 3D
10_1
|
Direct X
10
Direct 3D
10_1
|
|
OpenGL
3.3
OpenCL
1.1
|
OpenGL
3.3
OpenCL
1.1
|
|
Shader Model
4.1
GFX
3
|
Shader Model
4.1
GFX
3
|
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1x Fan
|
1x Fan
|
|
Power Connectors
1x 6-Pin
|
Power Connectors
1x 6-Pin
|
|
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
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