Radeon HD 7770 GHz vs Radeon HD 6750

Radeon HD 7770 GHz
Radeon HD 6750
640 Shaders
1GB GDDR5
1000MHz
720 Shaders
1GB GDDR5
700MHz
FP32
1.28 TFLOPS
FP32
1.01 TFLOPS
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-
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
80W
TDP
86W
Power Connectors
1x 6-Pin
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-
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Power Connectors
1x 6-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
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 1
Architecture
TeraScale 2
Family
Radeon HD 7000
Family
Radeon HD 6000
Codename
Cape Verde
-
Variant
Cape Verde XT
Codename
Juniper
RV840
Variant
Juniper Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
2/1/2012
Release Date
1/21/2011
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
40nm
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Die Size
123 mm²
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Die Size
166 mm²
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Transistor Count
1.5 Billion
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Transistor Count
1 Billion
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Transistor Density
12.20M/mm²
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Transistor Density
6.27M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
640 Shaders
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Shading Units
720 Shaders
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Texture Mapping Units
40 TMUs
Texture Mapping Units
36 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Compute Units
10 CUs
Compute Units
9 CUs
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1000MHz
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700MHz
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FP32
1.28 TFLOPS
FP32
1.01 TFLOPS
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FP64
0.08 TFLOPS
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Pixel Fillrate
16 GPixel/s
Pixel Fillrate
11.2 GPixel/s
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Texture Fillrate
40 GTexel/s
Texture Fillrate
25.2 GTexel/s
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L1
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16KB/CU
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L1
-
-
8KB/CU
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L2
256KB Shared
L2
256KB Shared
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1GB
GDDR5
-
1GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
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TDP
80W
TDP
86W
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1x DVI-I Dual-Link
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2x mini-DisplayPort 1.2
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1x HDMI 1.4
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2x DVI-I Dual-Link
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1x DisplayPort 1.1
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1x HDMI 1.3
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Max Resolution
4096x2160
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
3
Multi Monitor Support
2
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Model
VCE 1.0
No Encoders
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Codec
-
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AVC (H.264)
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Model
UVD 4.0
Model
UVD 2.2
Codec
MPEG-1
MPEG-2
MPEG-4
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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
12
Direct 3D
11_1
Direct X
11
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.5
OpenCL
1.2
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Shader Model
6.5
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GFX
6
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Shader Model
5.0
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GFX
4
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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 6-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
Multi GPU Support
Supported
Type
4-way CrossFireX
Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
37 mm (1.46 in)
Height
111 mm (4.37 in)
Width
170 mm (6.69 in)
Depth
40 mm (1.57 in)
Change Results