Radeon RX 6600 XT and GeForce RTX 4080 SUPER - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs GeForce RTX 4080 SUPER
Radeon RX 6600 XT
16985
GeForce RTX 4080 SUPER
35118
Radeon RX 6600 XT
GeForce RTX 4080 SUPER
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 23
AD103-400-A1
Market segment
Desktop
Desktop
Release date
July 2021
January 2024
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 16-pin
Boost clock speed
2589 MHz
2550 MHz
Core clock speed
1968 MHz
2295 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
45,900 million
Pipelines / CUDA cores
2048
10240
Power consumption (TDP)
160 (TGP) Watt
320 Watt
Texture fill rate
331.4
816.0
Memory type
GDDR6
GDDR6X
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
16000 MHz
23000 MHz
Memory bandwidth
256.0 GB/s
716.8 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
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3