ATI Radeon HD 4730 vs ATI Radeon HD 4850 X2
ATI Radeon HD 4730
ATI Radeon HD 4850 X2
$339
|
640 Shaders
512MB GDDR5
750MHz
|
2x 800 Shaders
2GB (2x 1GB) GDDR3
625MHz
|
|
Peak AI Performance
960 GFLOPS
FP32
|
Peak AI Performance
2 TFLOPS
FP32
|
|
FP32
960 GFLOPS
|
FP32
2 TFLOPS
|
|
Form Factor
PCIe Card
1.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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|
TDP
110W
|
TDP
250W
|
|
Power Connectors
1x 6-Pin
-
|
Power Connectors
1x 6-Pin
1x 8-Pin
|
Peak AI Performance
|
|
Radeon HD 4730 - 960 GFLOPS FP32
x1
Radeon HD 4850 X2 - 2 TFLOPS FP32
x2.08
FP32
|
|
Radeon HD 4730 - 960 GFLOPS FP32
x1
Radeon HD 4850 X2 - 2 TFLOPS FP32
x2.08
|
|
Radeon HD 4730 - 57.6GB/s
x1
Radeon HD 4850 X2 - 63.7GB/s
x1.11
|
|
Radeon HD 4730 - 110W
x1
Radeon HD 4850 X2 - 250W
x2.27
|
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0%
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0%
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0%
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0%
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Manufacturer
ATI
|
Manufacturer
ATI
|
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Chip Designer
ATI
|
Chip Designer
ATI
|
|
Architecture
TeraScale 1
|
Architecture
TeraScale 1
|
|
Family
Radeon HD 4000
|
Family
Radeon HD 4000
|
|
Codename
Wekiva
RV770
Variant
RV770 CE
|
Codename
Wekiva
RV770
Variant
RV770 Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
6/8/2009
|
Release Date
11/7/2008
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
55nm
|
Fabrication Node
55nm
|
|
Die Size
256 mm²
|
Die Size
2x 256 mm²
|
|
Transistor Count
956 Million
|
Transistor Count
2x 956 Million
|
|
Transistor Density
3.73M/mm²
|
Transistor Density
3.73M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
640 Shaders
|
Shading Units
2x 800 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
2x 40 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
2x 16 ROPs
|
|
Compute Units
8 CUs
|
Compute Units
2x 10 CUs
|
|
750MHz
|
625MHz
|
|
Peak AI Performance
960 GFLOPS
FP32
|
Peak AI Performance
2 TFLOPS
FP32
|
|
FP32
960 GFLOPS
|
FP32
2 TFLOPS
|
|
FP64
190 GFLOPS
|
FP64
400 GFLOPS
|
|
Pixel Fillrate
6 GPixel/s
|
Pixel Fillrate
10 GPixel/s
|
|
Texture Fillrate
24 GTexel/s
|
Texture Fillrate
25 GTexel/s
|
|
L1
16KB/CU
|
L1
16KB/CU
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
512MB
GDDR5
|
2GB (2x 1GB)
GDDR3
|
|
Bus Width
128Bit
|
Bus Width
256Bit
|
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
57.6GB/s
|
Clock
995MHz
Transfer Rate
2GT/s
Bandwidth
63.7GB/s
|
|
TDP
110W
|
TDP
250W
|
|
1x S-Video
2x DVI-I Dual-Link
|
1x S-Video
4x 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
4
|
|
No Encoders
|
No Encoders
|
|
Model
UVD 2.0
|
Model
UVD 2.0
|
|
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
1x 8-Pin
|
|
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
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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