Radeon R5 340X OEM and Radeon RX 6400 - video card comparison
Radeon R5 340X OEM
Radeon RX 6400
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Oland
Navi 24
Market segment
Desktop
Desktop
Release date
May 2015
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
2321 MHz
Core clock speed
900 MHz
-
Floating-point performance
806.4 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
950 million
5,400 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
65 Watt
53 Watt
Texture fill rate
21.60
111.4
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
16 GB/s
Memory bandwidth
16 GB/s
128.0 GB/s
Display Connectors
1x DVI, 1x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
1.2
2.2
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.2.131
1.3