Quadro K4000 and GeForce GT 640 - video card comparison
Passmark - benchmark score Quadro K4000 vs GeForce GT 640
Quadro K4000
2806
GeForce GT 640
1210
Quadro K4000
GeForce GT 640
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK106
GK107
Market segment
Workstation
Desktop
Release date
March 2013
June 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
810 MHz
902 MHz
Floating-point performance
1,244 gflops
692.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
1,270 million
Pipelines / CUDA cores
768
384
Power consumption (TDP)
80 Watt
65 Watt
Texture fill rate
51.84
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
5616 MHz
1782 MHz
Memory bandwidth
134.8 GB/s
28.51 GB/s
Display Connectors
1x DVI, 2x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.1.126