Radeon HD 4700 vs Radeon HD 2900 GT

Radeon HD 4700
Radeon HD 2900 GT
320 Shaders
512MB DDR2
600MHz
240 Shaders
512MB GDDR3
601MHz
FP32
0.38 TFLOPS
FP32
0.29 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
59W
TDP
150W
Power Connectors
1x 6-Pin
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Power Connectors
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1x 8-Pin
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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
ATI
Manufacturer
ATI
Chip Designer
ATI
Chip Designer
ATI
Architecture
TeraScale 1
Architecture
TeraScale 1
Family
Radeon HD 4000
Family
Radeon HD 2000
Codename
Wekiva
RV770
Variant
RV770 CE
Codename
Pele
R600
Variant
R600 GT
Market Segment
Desktop
Market Segment
Desktop
Release Date
2/11/2009
Release Date
11/6/2007
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
80nm
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Die Size
256 mm²
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Die Size
420 mm²
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Transistor Count
956 Million
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Transistor Count
720 Million
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Transistor Density
3.73M/mm²
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Transistor Density
1.71M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
320 Shaders
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Shading Units
240 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
12 TMUs
Render Output Units
8 ROPs
Render Output Units
12 ROPs
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Compute Units
8 CUs
Compute Units
4 CUs
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600MHz
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601MHz
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FP32
0.38 TFLOPS
FP32
0.29 TFLOPS
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FP64
0.08 TFLOPS
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Pixel Fillrate
4.8 GPixel/s
Pixel Fillrate
7.212 GPixel/s
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Texture Fillrate
19.2 GTexel/s
Texture Fillrate
7.212 GTexel/s
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L1
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16KB/CU
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L1
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Unknown
L2
256KB Shared
L2
256KB Shared
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512MB
DDR2
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512MB
GDDR3
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Bus Width
128Bit
Bus Width
256Bit
Clock
400MHz
Transfer Rate
800MT/s
Bandwidth
12.8GB/s
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
51.2GB/s
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TDP
59W
TDP
150W
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1x S-Video
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2x DVI-I Dual-Link
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1x S-Video
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2x DVI-I Dual-Link
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
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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
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No Encoders
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Model
UVD 2.0
Model
UVD 1.0
Codec
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VC-1
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AVC (H.264)
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Codec
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VC-1
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AVC (H.264)
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Direct X
10
Direct 3D
10_1
Direct X
10
Direct 3D
10_0
OpenGL
3.3
OpenCL
1.1
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OpenGL
3.3
OpenCL
1.1
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Shader Model
4.1
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GFX
3
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Shader Model
4.0
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GFX
3
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1x Fan
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1x Fan
Power Connectors
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1x 6-Pin
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Power Connectors
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1x 8-Pin
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Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
Multi GPU Support
Supported
Type
4-way CrossFireX
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Change Results