
GeForce RTX 4090 and Radeon RX 6650 XT - video card comparison
Passmark - benchmark score GeForce RTX 4090 vs Radeon RX 6650 XT
GeForce RTX 4090
39777
Radeon RX 6650 XT
17803
GeForce RTX 4090
Radeon RX 6650 XT
Architecture
Ada Lovelace
Navi / RDNA2 (2020−2022)
GPU code name
AD102-300-A1
Navi 23
Market segment
Desktop
Desktop
Release date
September 2022
May 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 16-pin
1x 8-pin
Boost clock speed
2520 MHz
2635 MHz
Core clock speed
2235 MHz
2055 MHz
Manufacturing process technology
5 nm
7 nm
Number of transistors
76,300 million
11,060 million
Pipelines / CUDA cores
16384
2048
Power consumption (TDP)
450 Watt
176 Watt
Texture fill rate
1,290
337.3
Memory type
GDDR6X
GDDR6
Maximum RAM amount
24 GB
8 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
21000 MHz
17500 MHz
Memory bandwidth
1,008 GB/s
280.3 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.6
6.5
Vulkan
1.3
1.3