GeForce 840M and GeForce GT 610 - video card comparison
Passmark - benchmark score GeForce 840M vs GeForce GT 610
GeForce 840M
1121
GeForce GT 610
317
GeForce 840M
GeForce GT 610
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
N15S-GT
GF119
Market segment
Laptop
Desktop
Release date
March 2014
April 2012
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 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
810 MHz
CUDA cores
-
48
Floating-point performance
863.2 gflops
155.5 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
292 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
33 Watt
29 Watt
Maximum GPU temperature
-
102 °C
Texture fill rate
17.98
6.5 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1024 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1.8 GB/s
Memory bandwidth
16.02 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-