Radeon HD 4770 Specs
Radeon HD 4770
|
640 Shaders
512MB GDDR5
750MHz
|
|
FP32
0.96 TFLOPS
|
|
-
-
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Form Factor
PCIe Card
1.0-Slots
|
|
TDP
80W
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|
Power Connectors
1x 6-Pin
-
-
-
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GB5 OpenCL - N/A
0%
|
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GB5 CUDA - N/A
0%
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GB5 Metal - N/A
0%
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GB5 Vulkan - N/A
0%
|
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OCT 2020.1 - N/A
0%
|
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OCT Metal - N/A
0%
|
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Manufacturer
ATI
|
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Chip Designer
ATI
|
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Architecture
TeraScale 1
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Family
Radeon HD 4000
|
|
Codename
Walden
RV740
Variant
RV740
|
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Market Segment
Desktop
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Release Date
4/28/2009
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Die Size
137 mm²
-
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Transistor Count
826 Million
-
|
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Transistor Density
6.03M/mm²
-
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Form
PCIe Card
|
|
Shading Units
640 Shaders
-
|
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
|
-
-
|
|
-
-
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|
-
-
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|
Compute Units
8 CUs
|
|
-
-
|
|
-
-
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|
-
-
-
750MHz
|
|
-
-
|
|
-
-
-
|
|
-
-
-
|
|
-
-
-
|
|
FP32
0.96 TFLOPS
|
|
-
-
|
|
FP64
0.19 TFLOPS
-
|
|
-
-
|
|
-
-
-
|
|
Pixel Fillrate
12 GPixel/s
|
|
-
-
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Texture Fillrate
24 GTexel/s
|
|
-
-
|
|
L1
-
-
16KB/CU
-
|
|
L2
128KB Shared
|
|
-
-
-
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512MB
GDDR5
-
|
|
Bus Width
128Bit
|
|
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
|
|
-
-
-
-
-
-
-
-
-
|
|
TDP
80W
|
|
-
-
|
|
-
1x S-Video
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Max Resolution
2560x1600
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|
Max Resolution Refresh Rate
60Hz
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|
Variable Refresh Rate
-
-
-
|
|
Display Stream Compression (DSC)
Not Supported
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|
Multi Monitor Support
2
|
|
-
-
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No Encoders
-
|
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Model
UVD 2.2
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Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
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|
Direct X
10
Direct 3D
10_1
|
|
OpenGL
3.3
OpenCL
1.1
-
-
|
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
|
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
|
-
-
-
-
-
-
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