Radeon HD 3450 and Radeon RX 6900 XTX - video card comparison
Radeon HD 3450
Radeon RX 6900 XTX
Architecture
TeraScale (2005−2013)
RDNA 2.0 (2020−2022)
GPU code name
RV620
Navi 21
Market segment
Desktop
Desktop
Release date
December 2007
October 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
2435 MHz
Core clock speed
600 MHz
-
Floating-point performance
48 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
181 million
26,800 million
Pipelines / CUDA cores
40
5120
Power consumption (TDP)
25 Watt
330 Watt
Texture fill rate
2.400
779.2
Memory type
DDR2
GDDR6
Maximum RAM amount
256 MB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1000 MHz
18 GB/s
Memory bandwidth
8 GB/s
576.0 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
OpenCL
N/A
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.7
Vulkan
N/A
1.3