GeForce GT 645 vs GeForce GTX 460 768MB
GeForce GT 645
GeForce GTX 460 768MB
|
288 Shaders
1GB GDDR5
776MHz
|
336 Shaders
768MB GDDR5
675MHz
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|
FP32
0.89 TFLOPS
|
FP32
0.91 TFLOPS
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|
-
-
|
-
-
|
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
140W
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TDP
150W
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-
-
-
-
-
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Power Connectors
2x 6-Pin
-
-
-
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GB5 OpenCL - N/A
0%
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GB5 OpenCL - N/A
0%
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GB5 CUDA - 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 Metal - N/A
0%
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GB5 Vulkan - 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 2020.1 - N/A
0%
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OCT Metal - N/A
0%
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OCT Metal - N/A
0%
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Manufacturer
NVIDIA
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Manufacturer
NVIDIA
|
|
Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
|
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Architecture
Fermi
|
Architecture
Fermi
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Family
GeForce 600
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Family
GeForce 400
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Codename
NVCE
GF114
Variant
GF114-400-A1
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Codename
NVC4
GF104
Variant
GF104-300-KB-A1
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
4/24/2012
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Release Date
7/12/2010
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Fabrication Node
40nm
-
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Die Size
332 mm²
-
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Die Size
332 mm²
-
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Transistor Count
2 Billion
-
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Transistor Count
2 Billion
-
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Transistor Density
5.87M/mm²
-
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Transistor Density
5.87M/mm²
-
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
288 Shaders
-
|
Shading Units
336 Shaders
-
|
|
Texture Mapping Units
48 TMUs
|
Texture Mapping Units
56 TMUs
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Render Output Units
24 ROPs
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Render Output Units
24 ROPs
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-
-
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-
-
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-
-
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-
-
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Streaming Multiprocessors
6 SMs
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Streaming Multiprocessors
7 SMs
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-
-
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-
-
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-
-
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-
-
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-
-
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-
-
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1552MHz Shader
-
776MHz
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1350MHz Shader
-
675MHz
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-
-
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-
-
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-
-
-
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-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
-
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FP32
0.89 TFLOPS
|
FP32
0.91 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.07 TFLOPS
-
|
FP64
0.08 TFLOPS
-
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-
-
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-
-
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-
-
-
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-
-
-
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Pixel Fillrate
18.624 GPixel/s
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Pixel Fillrate
16.2 GPixel/s
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-
-
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-
-
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Texture Fillrate
37.248 GTexel/s
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Texture Fillrate
37.8 GTexel/s
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-
-
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-
-
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L1
-
64KB/SM
-
-
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L1
-
64KB/SM
-
-
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L2
512KB Shared
|
L2
512KB Shared
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-
-
-
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-
-
-
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1GB
GDDR5
-
|
768MB
GDDR5
-
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Bus Width
192Bit
|
Bus Width
192Bit
|
|
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
86.4GB/s
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-
-
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-
-
-
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-
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-
-
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-
-
-
-
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TDP
140W
|
TDP
150W
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-
-
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-
-
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-
-
-
-
-
-
-
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2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
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-
-
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2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
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Max Resolution
2560x1600
|
Max Resolution
2560x1600
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
2
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Multi Monitor Support
2
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-
-
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-
-
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No Encoders
-
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No Encoders
-
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-
-
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-
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-
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No Decoders
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No Decoders
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-
-
-
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-
-
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-
-
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-
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-
-
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-
-
-
-
-
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Direct X
12
Direct 3D
11_0
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Direct X
12
Direct 3D
11_0
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OpenGL
4.6
OpenCL
1.1
-
-
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OpenGL
4.6
OpenCL
1.1
-
-
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Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
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Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
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-
-
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1x Fan
|
-
-
-
1x Fan
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-
-
-
-
-
-
-
-
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Power Connectors
-
-
2x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
-
-
-
-
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Multi GPU Support
Supported
Type
3-way SLI
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Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
|
Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
|
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