GeForce GT 645 Specs
GeForce GT 645
|
288 Shaders
1GB GDDR5
776MHz
|
|
FP32
0.89 TFLOPS
|
|
-
-
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Form Factor
PCIe Card
2.0-Slots
|
|
TDP
140W
|
|
-
-
-
-
-
|
|
GB5 OpenCL - 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 Vulkan - 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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Manufacturer
NVIDIA
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Chip Designer
NVIDIA
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Architecture
Fermi
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Codename
NVCE
GF114
Variant
GF114-400-A1
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Market Segment
Desktop
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Release Date
4/24/2012
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Die Size
332 mm²
-
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Transistor Count
2 Billion
-
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Transistor Density
5.87M/mm²
-
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Form
PCIe Card
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Shading Units
288 Shaders
-
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|
Texture Mapping Units
48 TMUs
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|
Render Output Units
24 ROPs
|
|
-
-
|
|
-
-
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Streaming Multiprocessors
6 SMs
|
|
-
-
|
|
-
-
|
|
-
-
|
|
-
1552MHz Shader
-
776MHz
|
|
Floating Point
|
|
-
-
|
|
-
-
-
|
|
-
-
-
|
|
-
-
-
|
|
FP32
0.89 TFLOPS
|
|
-
-
|
|
FP64
0.07 TFLOPS
-
|
|
-
-
|
|
-
-
-
|
|
Pixel Fillrate
18.624 GPixel/s
|
|
-
-
|
|
Texture Fillrate
37.248 GTexel/s
|
|
-
-
|
|
L1
-
64KB/SM
-
-
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L2
512KB Shared
|
|
-
-
-
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1GB
GDDR5
-
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Bus Width
192Bit
|
|
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
|
|
-
-
-
-
-
-
-
-
-
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|
TDP
140W
|
|
-
-
|
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
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|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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|
Multi Monitor Support
2
|
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-
-
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No Encoders
-
|
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Decoders
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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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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Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
|
|
-
-
-
1x Fan
|
|
-
-
-
-
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
-
-
-
-
|
|
Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
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