GeForce 820A and GeForce 820M - video card comparison
Passmark - benchmark score GeForce 820A vs GeForce 820M
GeForce 820A
572
GeForce 820M
511
GeForce 820A
GeForce 820M
Architecture
Fermi 2.0 (2010−2014)
Fermi (2010−2014)
GPU code name
GF117
N15V-GM
Market segment
Desktop
Laptop
Release date
March 2014
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
775 MHz
775 MHz
Floating-point performance
297.6 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
585 million
Pipelines / CUDA cores
96
96
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
12.40
10.00
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
14.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
2.1
+
OpenCL
1.1
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+