GeForce 940MX and GeForce 256 DDR - video card comparison
GeForce 940MX
GeForce 256 DDR
Architecture
Maxwell (2014−2018)
Celsius (1999−2005)
GPU code name
N16S-GTR-B/S
NV10 A3
Market segment
Laptop
Desktop
Release date
March 2016
December 1999
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
AGP 4x
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
120 MHz
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
220 nm
Number of transistors
1,870 million
17 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
23 Watt
-
Texture fill rate
23.83
0.48
Memory type
DDR3, GDDR5
DDR
Maximum RAM amount
4 GB
32 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4000 MHz
300 MHz
Memory bandwidth
40.1 GB/s
4.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x VGA
DirectX
12 (11_0)
7.0
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
1.2
Shader Model
5.1
-
Vulkan
1.1
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-