GeForce 940MX and GeForce GTX 280M - video card comparison
Passmark - benchmark score GeForce 940MX vs GeForce GTX 280M
GeForce 940MX
1561
GeForce GTX 280M
592
GeForce 940MX
GeForce GTX 280M
Architecture
Maxwell (2014−2018)
G9x (2007−2010)
GPU code name
N16S-GTR-B/S
N10E-GTX
Market segment
Laptop
Laptop
Release date
March 2016
March 2009
Bus support
PCI Express 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
MXM-IV
Supplementary power connectors
None
-
SLI options
-
+
MXM Type
-
MXM 3.0 Type-B
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
585 MHz
CUDA cores
-
128
Floating-point performance
762.6 gflops
374.5 gflops
Gigaflops
-
562
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,870 million
754 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
23 Watt
75 Watt
Texture fill rate
23.83
38 billion/sec
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
4000 MHz
Up to 950 MHz
Memory bandwidth
40.1 GB/s
61 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDMIDual Link DVISingle Link DVIDisplayPortLVDSVGA
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.0
Vulkan
1.1
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Power management
-
8.0