Radeon RX 6600 XT and GeForce RTX 3080 Ti Mobile - video card comparison
Radeon RX 6600 XT
GeForce RTX 3080 Ti Mobile
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 23
GN20-E8
Market segment
Desktop
Laptop
Release date
July 2021
January 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
2589 MHz
1590 MHz
Core clock speed
1968 MHz
975 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
11,060 million
-
Pipelines / CUDA cores
2048
7424
Power consumption (TDP)
160 (TGP) Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
331.4
292.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
16000 MHz
14000 MHz
Memory bandwidth
256.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
No outputs
HDMI
+
-
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.3