Radeon RX 6600 XT and GeForce RTX 3090 Ti - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs GeForce RTX 3090 Ti
Radeon RX 6600 XT
16985
GeForce RTX 3090 Ti
30641
Radeon RX 6600 XT
GeForce RTX 3090 Ti
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 23
Ampere GA102
Market segment
Desktop
Desktop
Release date
July 2021
January 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 16-pin
Boost clock speed
2589 MHz
1860 MHz
Core clock speed
1968 MHz
1560 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
11,060 million
28,300 million
Pipelines / CUDA cores
2048
10752
Power consumption (TDP)
160 (TGP) Watt
450 Watt
Texture fill rate
331.4
625.0
Memory type
GDDR6
GDDR6X
Maximum RAM amount
8 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
16000 MHz
21000 MHz
Memory bandwidth
256.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
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
6.6
Vulkan
1.2
1.3