Radeon RX 540 and GeForce 840M - video card comparison
Passmark - benchmark score Radeon RX 540 vs GeForce 840M
Radeon RX 540
2872
GeForce 840M
1121
Radeon RX 540
GeForce 840M
Architecture
Polaris (2016−2019)
Maxwell (2014−2018)
GPU code name
Polaris 12
N15S-GT
Market segment
Laptop
Laptop
Release date
March 2017
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1219 MHz
1124 MHz
Core clock speed
-
1029 MHz
Floating-point performance
1,248 gflops
863.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
512
384
Power consumption (TDP)
75 Watt
33 Watt
Texture fill rate
39.01
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
2000 MHz
Memory bandwidth
96 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12.0
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.0
5.1
Vulkan
-
1.1.126
FreeSync
+
-
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+