GeForce GTX 660 vs GeForce GTX 650 Ti Boost

GeForce GTX 660
GeForce GTX 650 Ti Boost
960 Shaders
2GB GDDR5
1084MHz
768 Shaders
1GB GDDR5
1032MHz
FP32
2.08 TFLOPS
FP32
1.59 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
140W
TDP
134W
Power Connectors
1x 6-Pin
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-
-
Power Connectors
1x 6-Pin
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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
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Kepler
Architecture
Kepler
Family
GeForce 600
Family
GeForce 600
Codename
NVE6
GK106
Variant
GK106-400-A1
Codename
NVE6
GK106
Variant
GK106-240-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/13/2012
Release Date
3/26/2013
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
-
Die Size
221 mm²
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Die Size
221 mm²
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Transistor Count
2.5 Billion
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Transistor Count
2.5 Billion
-
Transistor Density
11.49M/mm²
-
Transistor Density
11.49M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
960 Shaders
-
Shading Units
768 Shaders
-
Texture Mapping Units
80 TMUs
Texture Mapping Units
64 TMUs
Render Output Units
24 ROPs
Render Output Units
24 ROPs
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-
-
-
-
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-
Streaming Multiprocessors
5 SMs
Streaming Multiprocessors
4 SMs
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980MHz Base
1084MHz
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-
980MHz Base
1032MHz
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-
-
-
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-
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-
FP32
2.08 TFLOPS
FP32
1.59 TFLOPS
-
-
-
-
FP64
0.09 TFLOPS
-
FP64
0.07 TFLOPS
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-
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-
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Pixel Fillrate
26.016 GPixel/s
Pixel Fillrate
24.768 GPixel/s
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-
-
-
Texture Fillrate
86.72 GTexel/s
Texture Fillrate
66.048 GTexel/s
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-
-
-
L1
48KB/SM Tex
16KB/SM
-
-
L1
48KB/SM Tex
16KB/SM
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-
L2
512KB Shared
L2
512KB Shared
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-
-
-
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-
2GB
GDDR5
-
1GB
GDDR5
-
Bus Width
192Bit
Bus Width
192Bit
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
144.2GB/s
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
144.2GB/s
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TDP
140W
TDP
134W
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-
-
-
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1x DVI-I Dual-Link
-
1x DVI-D Dual-Link
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-
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1x DisplayPort 1.2
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1x HDMI 1.4
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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-
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1x DisplayPort 1.2
-
-
-
-
-
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-
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1x HDMI 1.4
-
-
-
-
Max Resolution
4096x2304
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
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-
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-
Model
NVENC 1
Model
NVENC 1
Codec
-
-
-
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-
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AVC (H.264)
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-
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Codec
-
-
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AVC (H.264)
-
-
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Model
NVDEC 1
Model
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
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-
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AVC (H.264)
-
-
-
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-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
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-
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AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
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1x Fan
-
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1x Fan
Power Connectors
-
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1x 6-Pin
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-
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Power Connectors
-
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1x 6-Pin
-
-
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way SLI
Multi GPU Support
Supported
Type
2-way SLI
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
Change Results