GeForce GTX 660 and Tesla K40c - video card comparison
Passmark - benchmark score GeForce GTX 660 vs Tesla K40c
GeForce GTX 660
4119
Tesla K40c
4629
GeForce GTX 660
Tesla K40c
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK106
GK180
Market segment
Desktop
Workstation
Release date
September 2012
October 2013
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1033 MHz
876 MHz
Core clock speed
980 MHz
745 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
4,291 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
7,080 million
Pipelines / CUDA cores
960
2880
Power consumption (TDP)
140 Watt
245 Watt
Texture fill rate
78.4 billion/sec
210.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
12 GB
Memory bus width
192-bit GDDR5
384 Bit
Memory clock speed
6.0 GB/s
6008 MHz
Memory bandwidth
144.2 GB/s
288.4 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.5
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.103
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-