Radeon RX 6600 XT and RTX 4000 Ada Generation - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs RTX 4000 Ada Generation
Radeon RX 6600 XT
16985
RTX 4000 Ada Generation
26132
Radeon RX 6600 XT
RTX 4000 Ada Generation
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 23
AD104
Market segment
Desktop
Desktop
Release date
July 2021
August 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 16-pin
Boost clock speed
2589 MHz
2175 MHz
Core clock speed
1968 MHz
-
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
35,800 million
Pipelines / CUDA cores
2048
6144
Power consumption (TDP)
160 (TGP) Watt
130 Watt
Texture fill rate
331.4
417.6
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
20 GB
Memory bus width
128 Bit
160 Bit
Memory clock speed
16000 MHz
14 GB/s
Memory bandwidth
256.0 GB/s
280.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
4x mini-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