GeForce 840M and GeForce 310M - video card comparison
Passmark - benchmark score GeForce 840M vs GeForce 310M
GeForce 840M
1121
GeForce 310M
118
GeForce 840M
GeForce 310M
Architecture
Maxwell (2014−2018)
GT2xx (2009−2012)
GPU code name
N15S-GT
N11M-GE1
Market segment
Laptop
Laptop
Release date
March 2014
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
-
Core clock speed
1029 MHz
606 / 625 MHz
CUDA cores
-
16
Floating-point performance
863.2 gflops
48.96 gflops
Gigaflops
-
73
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
260 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
33 Watt
14 Watt
Texture fill rate
17.98
4.848
Memory type
DDR3
GDDR3, DDR3
Maximum RAM amount
4 GB
Up to 1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
16.02 GB/s
10.67 GB/s
Shared memory
-
-
Display Connectors
No outputs
DisplayPortHDMIVGADual Link DVISingle Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_0)
11.1 (10_1)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Power management
-
8.0