Radeon R9 M395X and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R9 M395X vs Radeon R7 M340
Radeon R9 M395X
5350
Radeon R7 M340
679
Radeon R9 M395X
Radeon R7 M340
Architecture
GCN 3 (2014−2016)
GCN (2011−2017)
GPU code name
Amethyst XT
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
October 2014
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1021 MHz
Compute units
-
6
Core clock speed
723 MHz
1021 MHz
Floating-point performance
2,961 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
950 million
Pipelines / CUDA cores
2048
320
Power consumption (TDP)
250 Watt
-
Texture fill rate
92.54
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1250 MHz
1000 MHz
Memory bandwidth
160.0 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
1
DirectX
DirectX® 12
DirectX® 12
Mantle
+
+
OpenCL
Not Listed
Not Listed
OpenGL
4.4
4.4
Shader Model
6.3
5.1
Vulkan
-
+
AppAcceleration
-
-
DualGraphics
1
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
PowerTune
+
+
Switchable graphics
1
1
TrueAudio
+
-
ZeroCore
+
+