Radeon R9 M275 and Radeon R6 M340DX - video card comparison
Radeon R9 M275
Radeon R6 M340DX
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Venus
Jet
Market segment
Laptop
Laptop
Release date
August 2014
June 2015
Interface
PCIe 3.0 x16
IGP
Boost clock speed
925 MHz
1030 MHz
Core clock speed
925 MHz
-
Floating-point performance
1,184 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
690 million
Pipelines / CUDA cores
640
704
Texture fill rate
37.00
24.72
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
4500 MHz
System Shared
Memory bandwidth
64 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131