NVIDIA GeForce GT 645M Specs
NVIDIA GeForce GT 645M
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384 Shaders
1GB GDDR5
710MHz
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Peak AI Performance
0.55 TOPS
INT32
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FP32
550 GFLOPS
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Form Factor
Soldered
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TDP
32W
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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Manufacturer
NVIDIA
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Chip Designer
NVIDIA
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Architecture
Kepler
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Family
GeForce 600
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Codename
NVE7
GK107
Variant
N13P-GS
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Market Segment
Laptop
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Release Date
10/1/2012
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Foundry
TSMC
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Fabrication Node
28nm
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Die Size
118 mm²
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Transistor Count
1.3 Billion
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Transistor Density
10.76M/mm²
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Form
Soldered
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Shading Units
384 Shaders
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Texture Mapping Units
32 TMUs
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Render Output Units
16 ROPs
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Streaming Multiprocessors
2 SMs
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710MHz
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Peak AI Performance
0.55 TOPS
INT32
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FP32
550 GFLOPS
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FP64
20 GFLOPS
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INT32
0.55 TOPS
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Pixel Fillrate
11.36 GPixel/s
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Texture Fillrate
22.72 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L2
256KB Shared
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1GB
GDDR5
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Bus Width
128Bit
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Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
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TDP
32W
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Max Resolution
4096x2304
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
G-Sync
FreeSync
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
3
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Model
NVENC 1
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Codec
AVC (H.264)
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Model
NVDEC 1
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
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Direct X
12
Direct 3D
11_0
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OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
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Shader Model
6.5
CUDA
3.0
PureVideo HD
VP5
VDPAU
Feature Set D
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Not a Card
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PCIe Version
3.0
PCIe Lanes
16
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