Radeon HD 7670 vs GeForce GT 640 GDDR5

Radeon HD 7670
GeForce GT 640 GDDR5
480 Shaders
1GB GDDR5
800MHz
384 Shaders
1GB GDDR5
950MHz
FP32
0.77 TFLOPS
FP32
0.73 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
1.5-Slots
TDP
66W
TDP
75W
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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
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
TeraScale 2
Architecture
Kepler
Family
Radeon HD 7000
Family
GeForce 600
Codename
Turks
RV930
Variant
Turks XT
Codename
NVE7
GK107
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Market Segment
Desktop
Market Segment
Desktop
Release Date
1/5/2012
Release Date
4/24/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
28nm
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Die Size
118 mm²
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Die Size
118 mm²
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Transistor Count
716 Million
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Transistor Count
1.3 Billion
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Transistor Density
6.07M/mm²
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Transistor Density
10.76M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
480 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
8 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
2 SMs
Compute Units
6 CUs
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800MHz
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950MHz
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FP32
0.77 TFLOPS
FP32
0.73 TFLOPS
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FP64
0.03 TFLOPS
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Pixel Fillrate
6.4 GPixel/s
Pixel Fillrate
15.2 GPixel/s
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Texture Fillrate
19.2 GTexel/s
Texture Fillrate
30.4 GTexel/s
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L1
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8KB/CU
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L1
48KB/SM Tex
16KB/SM
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L2
256KB Shared
L2
256KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
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TDP
66W
TDP
75W
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No Ports
1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.4
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Max Resolution
2560x1600
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
30Hz
Variable Refresh Rate
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Variable Refresh Rate
G-Sync
FreeSync
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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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Model
NVENC 1
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Codec
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AVC (H.264)
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Model
UVD 3.0
Model
NVDEC 1
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
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
11
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
5.0
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GFX
4
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Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
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1x Fan
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1x Fan
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Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
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Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
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