Radeon R7 M340 and Radeon R5 M230 Rebrand - video card comparison
Radeon R7 M340
Radeon R5 M230 Rebrand
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Meso Pro DDR3
Sun
Market segment
Laptop
Desktop
Release date
June 2015
March 2013
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
825 MHz
Compute units
6
-
Core clock speed
1021 MHz
750 MHz
Floating-point performance
549.1 gflops
528.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
690 million
Pipelines / CUDA cores
320
320
Texture fill rate
17.16
16.50
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_1)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
+
1.2.131
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-