Radeon R7 450 OEM and Radeon RX 7900 XTX - video card comparison
Radeon R7 450 OEM
Radeon RX 7900 XTX
Architecture
GCN 1.0 (2012−2020)
RDNA 3
GPU code name
Cape Verde
Navi 31 XTX
Market segment
Desktop
Desktop
Release date
June 2016
November 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
2270 MHz
Core clock speed
925 MHz
-
Floating-point performance
947.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,500 million
57,700 million
Pipelines / CUDA cores
512
6144
Power consumption (TDP)
65 Watt
355 Watt
Texture fill rate
29.60
959.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4.5 GB/s
20000 MHz
Memory bandwidth
72 GB/s
960.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
+
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
2.1 (1.2)
2.1
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
6.7
Vulkan
1.2.170
1.3