Radeon RX 6600 and Radeon RX 7900 XT - video card comparison
Passmark - benchmark score Radeon RX 6600 vs Radeon RX 7900 XT
Radeon RX 6600
15586
Radeon RX 7900 XT
29721
Radeon RX 6600
Radeon RX 7900 XT
Architecture
Navi / RDNA2 (2020−2022)
RDNA 3
GPU code name
Navi 23
Navi 31 XT
Market segment
Desktop
Desktop
Release date
October 2021
November 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
2x 8-pin
Boost clock speed
2491 MHz
2000 MHz
Core clock speed
2044 MHz
-
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
57,700 million
Pipelines / CUDA cores
1792
5376
Power consumption (TDP)
132 Watt
315 Watt
Texture fill rate
279.0
804.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
20 GB
Memory bus width
128 Bit
320 Bit
Memory clock speed
14500 MHz
20000 MHz
Memory bandwidth
224.0 GB/s
800.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
+
+
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3