Radeon HD 6750 vs Radeon HD 4770
Radeon HD 6750
Radeon HD 4770
|
720 Shaders
1GB GDDR5
700MHz
|
640 Shaders
512MB GDDR5
750MHz
|
|
FP32
1.01 TFLOPS
|
FP32
0.96 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
1.0-Slots
|
|
TDP
86W
|
TDP
80W
|
|
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
Juniper
RV840
Variant
Juniper Pro
|
Codename
Walden
RV740
Variant
RV740
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
1/21/2011
|
Release Date
4/28/2009
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
40nm
-
|
|
Die Size
166 mm²
-
|
Die Size
137 mm²
-
|
|
Transistor Count
1 Billion
-
|
Transistor Count
826 Million
-
|
|
Transistor Density
6.27M/mm²
-
|
Transistor Density
6.03M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
720 Shaders
-
|
Shading Units
640 Shaders
-
|
|
Texture Mapping Units
36 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
9 CUs
|
Compute Units
8 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
700MHz
|
-
-
-
750MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
1.01 TFLOPS
|
FP32
0.96 TFLOPS
|
|
-
-
|
-
-
|
|
-
-
-
|
FP64
0.19 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
Pixel Fillrate
11.2 GPixel/s
|
Pixel Fillrate
12 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
25.2 GTexel/s
|
Texture Fillrate
24 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
8KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
256KB Shared
|
L2
128KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
512MB
GDDR5
-
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
|
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
86W
|
TDP
80W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
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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Model
UVD 2.2
|
Model
UVD 2.2
|
|
Codec
-
-
-
-
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
170 mm (6.69 in)
Depth
40 mm (1.57 in)
|
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