
GeForce 940M and GeForce 9400 GT - video card comparison
Passmark - benchmark score GeForce 940M vs GeForce 9400 GT
GeForce 940M
1156
GeForce 9400 GT
148
GeForce 940M
GeForce 9400 GT
Architecture
Maxwell (2014−2018)
Tesla (2006−2010)
GPU code name
N16S-GT-S/B
G96C
Market segment
Laptop
Desktop
Release date
March 2015
August 2008
Bus support
PCI Express 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
1176 MHz
-
Core clock speed
1072 MHz
550 MHz
CUDA cores
-
16
Floating-point performance
903.2 gflops
29.376 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,870 million
314 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
75 Watt
50 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
28.22
4.4 billion/sec
Memory type
DDR3
DDR2
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
400 MHz
Memory bandwidth
14.4 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI
Multi monitor support
-
+
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
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-