Radeon HD 5450 PCI and Radeon RX 7800 XT - video card comparison
Radeon HD 5450 PCI
Radeon RX 7800 XT
Architecture
TeraScale 2 (2009−2015)
RDNA 3
GPU code name
Cedar
Navi 32
Market segment
Desktop
Desktop
Release date
February 2010
August 2023
Interface
PCI
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
2430 MHz
Core clock speed
650 MHz
-
Floating-point performance
104 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
292 million
28,100 million
Pipelines / CUDA cores
80
3840
Power consumption (TDP)
19 Watt
263 Watt
Texture fill rate
5.200
604.8
Memory type
DDR2
GDDR6
Maximum RAM amount
512 MB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
666 MHz
19500 MHz
Memory bandwidth
5.328 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI
1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI
+
+
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenCL
1.2
2.2
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
N/A
1.3