Radeon RX 6900 XTX and RTX A4500 - video card comparison
Radeon RX 6900 XTX
RTX A4500
Architecture
RDNA 2.0 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA102
Market segment
Desktop
Workstation
Release date
October 2020
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 8-pin
Boost clock speed
2435 MHz
1650 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
28,300 million
Pipelines / CUDA cores
5120
7168
Power consumption (TDP)
330 Watt
200 Watt
Texture fill rate
779.2
369.6
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
20 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
18 GB/s
16 GB/s
Memory bandwidth
576.0 GB/s
640.0 GB/s
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
4x DisplayPort 1.4a
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3