
Radeon RX 6650 XT and GeForce RTX 4090 Max-Q - video card comparison
Radeon RX 6650 XT
GeForce RTX 4090 Max-Q
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 23
AD103
Market segment
Desktop
Desktop
Release date
May 2022
January 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
2635 MHz
1455 MHz
Core clock speed
2055 MHz
-
Manufacturing process technology
7 nm
4 nm
Number of transistors
11,060 million
45,900 million
Pipelines / CUDA cores
2048
9728
Power consumption (TDP)
176 Watt
80 Watt
Texture fill rate
337.3
442.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
17500 MHz
14 GB/s
Memory bandwidth
280.3 GB/s
448.0 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
Portable Device Dependent
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