Radeon 540 and GeForce 820M - video card comparison
Passmark - benchmark score Radeon 540 vs GeForce 820M
Radeon 540
1420
GeForce 820M
511
Radeon 540
GeForce 820M
Architecture
GCN 4.0 (2016−2020)
Fermi (2010−2014)
GPU code name
Lexa
N15V-GM
Market segment
Desktop
Laptop
Release date
April 2017
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
-
Core clock speed
1183 MHz
775 MHz
Floating-point performance
-
240.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
28.39
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
32 Bit
64 Bit
Memory clock speed
6 GB/s
1800 MHz
Memory bandwidth
24 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DisplayPort 1.4a
No outputs
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.7
5.1
Vulkan
1.3
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+