
GeForce 940MX and Radeon 9550 XT - video card comparison
GeForce 940MX
Radeon 9550 XT
Architecture
Maxwell (2014−2018)
Rage 8 (2002−2006)
GPU code name
N16S-GTR-B/S
RV350
Market segment
Laptop
Desktop
Release date
March 2016
May 2005
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
AGP 8x
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
425 MHz
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
1,870 million
60 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
23 Watt
-
Texture fill rate
23.83
1.700
Memory type
DDR3, GDDR5
DDR
Maximum RAM amount
4 GB
128 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4000 MHz
650 MHz
Memory bandwidth
40.1 GB/s
10.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0 (9_0)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
2.0
Shader Model
5.1
-
Vulkan
1.1
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-