GeForce GTX 680 and GeForce GTX 660 Ti - video card comparison
Passmark - benchmark score GeForce GTX 680 vs GeForce GTX 660 Ti
GeForce GTX 680
5721
GeForce GTX 660 Ti
4547
GeForce GTX 680
GeForce GTX 660 Ti
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK104
Market segment
Desktop
Desktop
Release date
March 2012
August 2012
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
Two 6-pin
SLI options
+
+
Boost clock speed
1058 MHz
980 MHz
Core clock speed
1006 MHz
915 MHz
CUDA cores
1536
1344
Floating-point performance
3,090.4 gflops
2,459.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
3,540 million
Pipelines / CUDA cores
1536
1344
Power consumption (TDP)
195 Watt
150 Watt
Texture fill rate
128.8 billion/sec
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
2 GB
Memory bus width
256-bit GDDR5
192-bit GDDR5
Memory clock speed
6000 MHz
6.0 GB/s
Memory bandwidth
192.2 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
4 displays
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.2
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+