GeForce GT 645 vs GeForce GTX 550 Ti
GeForce GT 645
GeForce GTX 550 Ti
|
288 Shaders
1GB GDDR5
776MHz
|
192 Shaders
Shared Memory
900MHz
|
|
FP32
0.89 TFLOPS
|
FP32
0.69 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
140W
|
TDP
116W
|
|
-
-
-
-
-
|
Power Connectors
1x 6-Pin
-
-
-
|
|
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
NVIDIA
|
Manufacturer
NVIDIA
|
|
Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
|
|
Architecture
Fermi
|
Architecture
Fermi
|
|
Family
GeForce 600
|
Family
GeForce 500
|
|
Codename
NVCE
GF114
Variant
GF114-400-A1
|
Codename
NVCF
GF116
Variant
GF116-400
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
4/24/2012
|
Release Date
3/15/2011
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
40nm
-
|
|
Die Size
332 mm²
-
|
Die Size
238 mm²
-
|
|
Transistor Count
2 Billion
-
|
Transistor Count
1.2 Billion
-
|
|
Transistor Density
5.87M/mm²
-
|
Transistor Density
4.92M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
288 Shaders
-
|
Shading Units
192 Shaders
-
|
|
Texture Mapping Units
48 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
24 ROPs
|
Render Output Units
24 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Streaming Multiprocessors
6 SMs
|
Streaming Multiprocessors
4 SMs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
1552MHz Shader
-
776MHz
|
-
1800MHz Shader
-
900MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.89 TFLOPS
|
FP32
0.69 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.07 TFLOPS
-
|
FP64
0.06 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
Pixel Fillrate
18.624 GPixel/s
|
Pixel Fillrate
21.6 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
37.248 GTexel/s
|
Texture Fillrate
28.8 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
64KB/SM
-
-
|
L1
-
64KB/SM
-
-
|
|
L2
512KB Shared
|
L2
384KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
Shared Memory
-
-
|
|
Bus Width
192Bit
|
Bus Width
128Bit
|
|
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
|
Clock
1026MHz
Transfer Rate
4.1GT/s
Bandwidth
65.7GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
140W
|
TDP
116W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
|
|
Max Resolution
2560x1600
|
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
2
|
Multi Monitor Support
2
|
|
-
-
|
-
-
|
|
No Encoders
-
|
No Encoders
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Decoders
|
No Decoders
|
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_0
|
Direct X
12
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
1.1
-
-
|
OpenGL
4.6
OpenCL
1.1
-
-
|
|
Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
|
Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
-
-
-
-
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
-
-
-
-
|
Multi GPU Support
Supported
Type
2-way SLI
|
|
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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