GeForce 840A and GeForce GT 625M - video card comparison
Passmark - benchmark score GeForce 840A vs GeForce GT 625M
GeForce 840A
1214
GeForce GT 625M
492
GeForce 840A
GeForce GT 625M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM108
N13M-GS
Market segment
Desktop
Laptop
Release date
March 2014
October 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
1124 MHz
-
Core clock speed
1029 MHz
Up to 625 MHz
CUDA cores
-
96
Floating-point performance
863.2 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
33 Watt
15 Watt
Texture fill rate
17.98
Up to 14.4 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2002 MHz
1800 MHz
Memory bandwidth
16.02 GB/s
Up to 14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
5.0
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
Optimus
-
+