Radeon RX 7900 XT and Arc A780 - video card comparison
Radeon RX 7900 XT
Arc A780
Architecture
RDNA 3
Generation 12.7 (2022)
GPU code name
Navi 31 XT
DG2-512
Market segment
Desktop
Desktop
Release date
November 2022
2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
2000 MHz
2200 MHz
Manufacturing process technology
5 nm
6 nm
Number of transistors
57,700 million
21,700 million
Pipelines / CUDA cores
5376
4096
Power consumption (TDP)
315 Watt
200 Watt
Texture fill rate
804.4
563.2
Memory type
GDDR6
GDDR6X
Maximum RAM amount
20 GB
16 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
20000 MHz
17.5 GB/s
Memory bandwidth
800.0 GB/s
559.6 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.6
Vulkan
1.3
1.3