
Radeon HD 6390 and Radeon Instinct MI300X - video card comparison
Radeon HD 6390
Radeon Instinct MI300X
Architecture
TeraScale 2 (2009−2015)
CDNA 3.0
GPU code name
Redwood
Aqua Vanjaram
Market segment
Desktop
Desktop
Release date
July 2011
December 2023
Interface
PCIe 2.0 x16
PCIe 5.0 x16
Supplementary power connectors
None
None
Boost clock speed
-
2100 MHz
Core clock speed
550 MHz
-
Floating-point performance
352.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
627 million
153,000 million
Pipelines / CUDA cores
320
19456
Power consumption (TDP)
39 Watt
750 Watt
Texture fill rate
8.800
2,554
Memory type
DDR2
HBM3
Maximum RAM amount
1 GB
192 GB
Memory bus width
128 Bit
8192 Bit
Memory clock speed
1000 MHz
5 GB/s
Memory bandwidth
16 GB/s
5,171 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
N/A
OpenCL
1.2
3.0
OpenGL
4.4
N/A
Shader Model
5.0
N/A
Vulkan
N/A
N/A