Radeon RX 6600M and T400 - video card comparison
Passmark - benchmark score Radeon RX 6600M vs T400
Radeon RX 6600M
14091
T400
3739
Radeon RX 6600M
T400
Architecture
RDNA 2 (2020−2022)
Turing (2018−2021)
GPU code name
R21M-E65-70
TU117
Market segment
Laptop
Desktop
Release date
September 2020
May 2021
Interface
PCIe 4.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
2177 MHz
1425 MHz
Core clock speed
2068 MHz
-
Manufacturing process technology
7 nm
12 nm
Number of transistors
11,060 million
4,700 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
30 Watt
Texture fill rate
235.8
34.20
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
14000 MHz
10 GB/s
Memory bandwidth
256.0 GB/s
80 GB/s
Shared memory
-
-
Display Connectors
No outputs
3x mini-DisplayPort
DirectX
12 Ultimate (12_2)
12 (12_1)
CUDA
-
7.5
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.2