Radeon R9 M275 and Mobility Radeon HD 4830 - video card comparison
Radeon R9 M275
Mobility Radeon HD 4830
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
Venus
M97
Market segment
Laptop
Laptop
Release date
August 2014
March 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Boost clock speed
925 MHz
-
Core clock speed
925 MHz
550 MHz
Floating-point performance
1,184 gflops
704.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
826 million
Pipelines / CUDA cores
640
640
Texture fill rate
37.00
17.60
Memory type
GDDR5
GDDR3, DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
700 MHz
Memory bandwidth
64 GB/s
44.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A