GeForce 820M and Radeon R5 240 OEM - video card comparison
GeForce 820M
Radeon R5 240 OEM
Architecture
Fermi (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
N15V-GM
Oland
Market segment
Laptop
Desktop
Release date
January 2014
November 2013
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
780 MHz
Core clock speed
775 MHz
730 MHz
Floating-point performance
240.0 gflops
499.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
950 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
10.00
18.72
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
2 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
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
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
+
-