
Radeon RX 6900 XTX and Arc A770 - video card comparison
Radeon RX 6900 XTX
Arc A770
Architecture
RDNA 2.0 (2020−2022)
Alchemist
GPU code name
Navi 21
DG2-512
Market segment
Desktop
Desktop
Release date
October 2020
October 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
2435 MHz
2400 MHz
Core clock speed
-
2100 MHz
Manufacturing process technology
7 nm
6 nm
Number of transistors
26,800 million
21,700 million
Pipelines / CUDA cores
5120
4096
Power consumption (TDP)
330 Watt
225 Watt
Texture fill rate
779.2
614.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
18 GB/s
16000 MHz
Memory bandwidth
576.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 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