GeForce 820M and Radeon R3 Mobile Graphics - video card comparison
GeForce 820M
Radeon R3 Mobile Graphics
Architecture
Fermi (2010−2014)
GCN 2.0 (2013−2017)
GPU code name
N15V-GM
Beema
Market segment
Laptop
Laptop
Release date
January 2014
January 2015
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
IGP
Boost clock speed
-
655 MHz
Core clock speed
775 MHz
600 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
930 million
Pipelines / CUDA cores
96
128
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
10.00
4.800
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_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-