GeForce 940MX and Radeon R5 M255 - video card comparison
Passmark - benchmark score GeForce 940MX vs Radeon R5 M255
GeForce 940MX
1561
Radeon R5 M255
550
GeForce 940MX
Radeon R5 M255
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16S-GTR-B/S
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
March 2016
May 2014
Bus support
PCI Express 3.0
PCIe 3.0 x8
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1242 MHz
940 MHz
Compute units
-
5
Core clock speed
1122 MHz
940 MHz
Floating-point performance
762.6 gflops
721.9 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,550 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
23 Watt
-
Texture fill rate
23.83
22.56
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4000 MHz
1000 MHz
Memory bandwidth
40.1 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
+
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.5
4.4
Shader Model
5.1
6.3
Vulkan
1.1
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
GameWorks
+
-
GPU Boost
2.0
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+