Radeon HD 6450 GDDR5 and Radeon RX 6400 - video card comparison
Radeon HD 6450 GDDR5
Radeon RX 6400
Architecture
Terascale 2 (2009−2015)
RDNA 2.0 (2020−2022)
GPU code name
Caicos
Navi 24
Market segment
Desktop
Desktop
Release date
April 2011
January 2022
Interface
-
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
-
2321 MHz
Core clock speed
750 MHz
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
-
5,400 million
Pipelines / CUDA cores
160
768
Power consumption (TDP)
27 Watt
53 Watt
Texture fill rate
-
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
900 MHz
16 GB/s
Memory bandwidth
-
128.0 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
11
12 Ultimate (12_2)
OpenCL
-
2.2
OpenGL
-
4.6
Shader Model
-
6.6
Vulkan
-
1.3