Radeon R5 340X OEM and Radeon RX 6600 XT - video card comparison
Radeon R5 340X OEM
Radeon RX 6600 XT
Architecture
GCN 1.0 (2012−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Oland
Navi 23
Market segment
Desktop
Desktop
Release date
May 2015
July 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
Boost clock speed
1050 MHz
2589 MHz
Core clock speed
900 MHz
1968 MHz
Floating-point performance
806.4 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
950 million
11,060 million
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
65 Watt
160 (TGP) Watt
Texture fill rate
21.60
331.4
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
16000 MHz
Memory bandwidth
16 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x DisplayPort
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12.0 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2