Radeon RX 6600 and Arc A770 - video card comparison
Passmark - benchmark score Radeon RX 6600 vs Arc A770
Radeon RX 6600
15586
Arc A770
10284
Radeon RX 6600
Arc A770
Architecture
Navi / RDNA2 (2020−2022)
Alchemist
GPU code name
Navi 23
DG2-512
Market segment
Desktop
Desktop
Release date
October 2021
October 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
2491 MHz
2400 MHz
Core clock speed
2044 MHz
2100 MHz
Manufacturing process technology
7 nm
6 nm
Number of transistors
11,060 million
21,700 million
Pipelines / CUDA cores
1792
4096
Power consumption (TDP)
132 Watt
225 Watt
Texture fill rate
279.0
614.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
14500 MHz
16000 MHz
Memory bandwidth
224.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3