Radeon R7 M445 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R7 M445 vs Radeon R7 M340
Radeon R7 M445
971
Radeon R7 M340
679
Radeon R7 M445
Radeon R7 M340
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Meso
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
May 2016
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
920 MHz
1021 MHz
Compute units
-
6
Core clock speed
920 MHz
1021 MHz
Floating-point performance
588.8 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
950 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
15-25 Watt
-
Texture fill rate
18.40
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
1000 MHz
Memory bandwidth
32 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
6.0
5.1
Vulkan
1.2.131
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+