Radeon RX 6600 XT and Radeon RX 7900M - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs Radeon RX 7900M
Radeon RX 6600 XT
16985
Radeon RX 7900M
22929
Radeon RX 6600 XT
Radeon RX 7900M
Architecture
Navi / RDNA2 (2020−2022)
RDNA 3
GPU code name
Navi 23
Navi 31
Market segment
Desktop
Laptop
Release date
July 2021
October 2023
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
2589 MHz
2090 MHz
Core clock speed
1968 MHz
1825 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
57,700 million
Pipelines / CUDA cores
2048
4608
Power consumption (TDP)
160 (TGP) Watt
180 Watt (160 - 200 Watt TGP)
Texture fill rate
331.4
601.9
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
16000 MHz
18000 MHz
Memory bandwidth
256.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.2
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3