NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 680
NVIDIA GeForce GTX 660 Ti
$300
NVIDIA GeForce GTX 680
$500
|
1344 Shaders
2GB GDDR5
1058MHz
|
1536 Shaders
2GB GDDR5
1110MHz
|
|
Peak AI Performance
2.84 TOPS
INT32
|
Peak AI Performance
3.41 TOPS
INT32
|
|
FP32
2.84 TFLOPS
|
FP32
3.41 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
|
|
TDP
150W
|
TDP
195W
|
|
Power Connectors
2x 6-Pin
|
Power Connectors
2x 6-Pin
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Peak AI Performance
|
|
GeForce GTX 660 Ti - 2.84 TOPS INT32
x1
GeForce GTX 680 - 3.41 TOPS INT32
x1.2
FP32
|
|
GeForce GTX 660 Ti - 2.84 TFLOPS FP32
x1
GeForce GTX 680 - 3.41 TFLOPS FP32
x1.2
|
|
GeForce GTX 660 Ti - 96.1GB/s
x1
GeForce GTX 680 - 192.3GB/s
x2
|
|
GeForce GTX 660 Ti - 150W
x1
GeForce GTX 680 - 195W
x1.3
|
|
GeForce GTX 660 Ti - GB6 OpenCL 15,430
x1
GeForce GTX 680 - GB6 OpenCL 16,770
x1.09
|
GB6 Metal N/A
0%
|
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
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Manufacturer
NVIDIA
|
Manufacturer
NVIDIA
|
|
Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
|
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Architecture
Kepler
|
Architecture
Kepler
|
|
Family
GeForce 600
|
Family
GeForce 600
|
|
Codename
NVE4
GK104
Variant
GK104-300-KD-A2
|
Codename
NVE4
GK104
Variant
GK104-400-A2
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
8/16/2012
|
Release Date
3/22/2012
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
294 mm²
|
Die Size
294 mm²
|
|
Transistor Count
3.5 Billion
|
Transistor Count
3.5 Billion
|
|
Transistor Density
12.04M/mm²
|
Transistor Density
12.04M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
1344 Shaders
|
Shading Units
1536 Shaders
|
|
Texture Mapping Units
112 TMUs
|
Texture Mapping Units
128 TMUs
|
|
Render Output Units
24 ROPs
|
Render Output Units
32 ROPs
|
|
Streaming Multiprocessors
7 SMs
|
Streaming Multiprocessors
8 SMs
|
|
915MHz Base
1058MHz
|
1006MHz Base
1110MHz
|
|
Peak AI Performance
2.84 TOPS
INT32
|
Peak AI Performance
3.41 TOPS
INT32
|
|
FP32
2.84 TFLOPS
|
FP32
3.41 TFLOPS
|
|
FP64
120 GFLOPS
|
FP64
140 GFLOPS
|
|
INT32
2.84 TOPS
|
INT32
3.41 TOPS
|
|
Pixel Fillrate
25.392 GPixel/s
|
Pixel Fillrate
35.52 GPixel/s
|
|
Texture Fillrate
118.496 GTexel/s
|
Texture Fillrate
142.08 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
|
L1
48KB/SM Tex
16KB/SM
|
|
L2
512KB Shared
|
L2
512KB Shared
|
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2GB
GDDR5
|
2GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
256Bit
|
|
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
96.1GB/s
|
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
192.3GB/s
|
|
TDP
150W
|
TDP
195W
|
|
1x DVI-I Dual-Link
1x DVI-D Dual-Link
1x DisplayPort 1.2
1x HDMI 1.4
|
1x DVI-I Dual-Link
1x DVI-D Dual-Link
1x DisplayPort 1.2
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
|
|
Model
NVENC 1
|
Model
NVENC 1
|
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Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
NVDEC 1
|
Model
NVDEC 1
|
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
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
|
|
1x Fan
|
1x Fan
|
|
Power Connectors
2x 6-Pin
|
Power Connectors
2x 6-Pin
|
|
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
4-way SLI
|
Multi GPU Support
Supported
Type
4-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
256 mm (10.08 in)
Depth
38 mm (1.5 in)
|
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