Radeon R7 M340 and GeForce 940A - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce 940A
Radeon R7 M340
679
GeForce 940A
1139
Radeon R7 M340
GeForce 940A
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Meso Pro DDR3
GM108
Market segment
Laptop
Desktop
Release date
June 2015
March 2015
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
1124 MHz
Compute units
6
-
Core clock speed
1021 MHz
1029 MHz
Floating-point performance
549.1 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
320
384
Power consumption (TDP)
-
33 Watt
Texture fill rate
17.16
17.98
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1000 MHz
2002 MHz
Memory bandwidth
16 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
5.0
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-