Quadro K4000M and GeForce GTX 950M Mac Edition - video card comparison
Quadro K4000M
GeForce GTX 950M Mac Edition
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
N14E-Q3
GM107
Market segment
Mobile workstation
Desktop
Release date
June 2012
March 2015
Interface
MXM-B (3.0)
MXM-B (3.0)
Boost clock speed
-
1124 MHz
Core clock speed
600 MHz
993 MHz
Floating-point performance
1,154 gflops
1,271 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,870 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
100 Watt
75 Watt
Texture fill rate
48.08
44.96
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2800 MHz
1800 MHz
Memory bandwidth
89.6 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
+
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.1.126
Optimus
+
-