Radeon R5 Graphics and GeForce 820M - video card comparison
Radeon R5 Graphics
GeForce 820M
Architecture
GCN 2.0 (2013−2017)
Fermi (2010−2014)
GPU code name
Spectre SL
N15V-GM
Market segment
Desktop
Laptop
Release date
September 2014
January 2014
Bus support
-
PCI Express 2.0
Interface
IGP
PCIe 2.0 x16
Boost clock speed
720 MHz
-
Core clock speed
497 MHz
775 MHz
Floating-point performance
388.1 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,410 million
585 million
Pipelines / CUDA cores
256
96
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
7.952
10.00
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.0
5.1
Vulkan
1.2.131
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+