GeForce 820M and Radeon Vega 8 Efficient - video card comparison
GeForce 820M
Radeon Vega 8 Efficient
Architecture
Fermi (2010−2014)
GCN 5.0 (2017−2020)
GPU code name
N15V-GM
Raven
Market segment
Laptop
Desktop
Release date
January 2014
April 2018
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
-
None
Boost clock speed
-
1100 MHz
Core clock speed
775 MHz
300 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
585 million
4,940 million
Pipelines / CUDA cores
96
512
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
10.00
35.20
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
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
+
-