Radeon Pro 555 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon Pro 555 vs Radeon R7 M340
Radeon Pro 555
3234
Radeon R7 M340
679
Radeon Pro 555
Radeon R7 M340
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 21
Meso Pro DDR3
Market segment
Mobile workstation
Laptop
Release date
June 2017
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1021 MHz
Compute units
-
6
Core clock speed
855 MHz
1021 MHz
Floating-point performance
1,306 gflops
549.1 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,000 million
950 million
Pipelines / CUDA cores
768
320
Texture fill rate
40.80
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5080 MHz
1000 MHz
Memory bandwidth
81.6 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
1
DirectX
12 (12_0)
DirectX® 12
Mantle
-
+
OpenCL
2.0
Not Listed
OpenGL
4.6
4.4
Shader Model
6.4
5.1
Vulkan
1.2.131
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
+
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+