Radeon R7 M340 and GeForce 830M - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce 830M
Radeon R7 M340
679
GeForce 830M
1038
Radeon R7 M340
GeForce 830M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Meso Pro DDR3
N15?
Market segment
Laptop
Laptop
Release date
June 2015
March 2014
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
1150 MHz
Compute units
6
-
Core clock speed
1021 MHz
1029 MHz
Floating-point performance
549.1 gflops
588.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
320
256
Power consumption (TDP)
-
33 Watt
Texture fill rate
17.16
18.40
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
16 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
GameWorks
-
+
GPU Boost
-
2.0
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-