GeForce 820M and Radeon HD 8530M - video card comparison
GeForce 820M
Radeon HD 8530M
Architecture
Fermi (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
N15V-GM
Mars
Market segment
Laptop
Desktop
Release date
January 2014
January 2014
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Boost clock speed
-
700 MHz
Core clock speed
775 MHz
650 MHz
Floating-point performance
240.0 gflops
537.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
950 million
Pipelines / CUDA cores
96
320
Power consumption (TDP)
15 Watt
-
Texture fill rate
10.00
11.20
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 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_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.2.131
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-