Radeon 660M and Radeon RX 7900 XTX - video card comparison
Passmark - benchmark score Radeon 660M vs Radeon RX 7900 XTX
Radeon 660M
6474
Radeon RX 7900 XTX
31822
Radeon 660M
Radeon RX 7900 XTX
Architecture
RDNA 2 (2020−2022)
RDNA 3
GPU code name
RDNA 2 Rembrandt
Navi 31 XTX
Market segment
Laptop
Desktop
Release date
January 2022
November 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
1900 MHz
2270 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
13,100 million
57,700 million
Pipelines / CUDA cores
384
6144
Power consumption (TDP)
45 Watt
355 Watt
Texture fill rate
45.60
959.6
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
24 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
20000 MHz
Memory bandwidth
-
960.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3