Radeon RX 6850 XT and GeForce RTX 4090 Ti - video card comparison
Radeon RX 6850 XT
GeForce RTX 4090 Ti
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD102
Market segment
Desktop
Desktop
Release date
2022
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 16-pin
Boost clock speed
2250 MHz
2565 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
76,300 million
Pipelines / CUDA cores
4608
18176
Power consumption (TDP)
325 Watt
600 Watt
Texture fill rate
648.0
1,457
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
18 GB/s
24 GB/s
Memory bandwidth
576.0 GB/s
1,152 GB/s
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
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
1.3
1.3