Radeon R9 M290X and GeForce 940MX - video card comparison
Passmark - benchmark score Radeon R9 M290X vs GeForce 940MX
Radeon R9 M290X
3360
GeForce 940MX
1561
Radeon R9 M290X
GeForce 940MX
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Neptune
N16S-GTR-B/S
Market segment
Laptop
Laptop
Release date
January 2014
March 2016
Bus support
PCIe 3.0 x16
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
900 MHz
1242 MHz
Compute units
20
-
Core clock speed
850 MHz
1122 MHz
Floating-point performance
2,304 gflops
762.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,870 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
100 Watt
23 Watt
Texture fill rate
72.00
23.83
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1200 MHz
4000 MHz
Memory bandwidth
153.6 GB/s
40.1 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
GameWorks
-
+
GPU Boost
-
2.0
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-