Radeon RX 540 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon RX 540 vs Radeon R7 M340
Radeon RX 540
2872
Radeon R7 M340
679
Radeon RX 540
Radeon R7 M340
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 12
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
March 2017
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1219 MHz
1021 MHz
Compute units
-
6
Core clock speed
-
1021 MHz
Floating-point performance
1,248 gflops
549.1 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
1,500 million
950 million
Pipelines / CUDA cores
512
320
Power consumption (TDP)
75 Watt
-
Texture fill rate
39.01
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
1000 MHz
Memory bandwidth
96 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
1
DirectX
12.0
DirectX® 12
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.0
5.1
Vulkan
-
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
+
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+