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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