
Quadro K4000 and GeForce GTX 950 OEM - video card comparison
Quadro K4000
GeForce GTX 950 OEM
Architecture
Kepler (2012−2018)
Maxwell 2.0 (2015−2019)
GPU code name
GK106
GM206S
Market segment
Workstation
Desktop
Release date
March 2013
2016
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1203 MHz
Core clock speed
810 MHz
937 MHz
Floating-point performance
1,244 gflops
1,946 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
2,940 million
Pipelines / CUDA cores
768
1024
Power consumption (TDP)
80 Watt
-
Texture fill rate
51.84
76.99
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
5616 MHz
5 GB/s
Memory bandwidth
134.8 GB/s
80.19 GB/s
Display Connectors
1x DVI, 2x DisplayPort
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
5.2
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
+
1.3