GeForce 820M and Radeon RX 580 2048SP - video card comparison
Passmark - benchmark score GeForce 820M vs Radeon RX 580 2048SP
GeForce 820M
511
Radeon RX 580 2048SP
7929
GeForce 820M
Radeon RX 580 2048SP
Architecture
Fermi (2010−2014)
GCN 4.0 (2016−2020)
GPU code name
N15V-GM
Polaris 20
Market segment
Laptop
Desktop
Release date
January 2014
October 2018
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
1284 MHz
Core clock speed
775 MHz
1168 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
585 million
5,700 million
Pipelines / CUDA cores
96
2048
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
10.00
164.4
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
7000 MHz
Memory bandwidth
14.4 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-