Radeon R5 340X OEM and Radeon HD 4580 - video card comparison
Radeon R5 340X OEM
Radeon HD 4580
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Oland
RV635
Market segment
Desktop
Desktop
Release date
May 2015
November 2011
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
-
Core clock speed
900 MHz
796 MHz
Floating-point performance
806.4 gflops
191.04 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
950 million
378 million
Pipelines / CUDA cores
384
120
Power consumption (TDP)
65 Watt
65 Watt
Texture fill rate
21.60
6.368
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
1386 MHz
Memory bandwidth
16 GB/s
22.18 GB/s
Display Connectors
1x DVI, 1x DisplayPort
2x DVI, 1x S-Video
DirectX
12 (11_1)
10.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A