Radeon RX 6850M XT and GeForce RTX 4090 Max-Q - video card comparison
Radeon RX 6850M XT
GeForce RTX 4090 Max-Q
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
Navi 22
AD103
Market segment
Laptop
Desktop
Release date
January 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
2463 MHz
1455 MHz
Manufacturing process technology
7 nm
4 nm
Number of transistors
17,200 million
45,900 million
Pipelines / CUDA cores
2560
9728
Power consumption (TDP)
145 Watt
80 Watt
Texture fill rate
413.0
442.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
16 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
18000 MHz
14 GB/s
Memory bandwidth
384.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3