GeForce 940M and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce 940M vs Radeon RX 6600M
GeForce 940M
1156
Radeon RX 6600M
14091
GeForce 940M
Radeon RX 6600M
Architecture
Maxwell (2014−2018)
RDNA 2 (2020−2022)
GPU code name
N16S-GT-S/B
R21M-E65-70
Market segment
Laptop
Laptop
Release date
March 2015
September 2020
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
1176 MHz
2177 MHz
Core clock speed
1072 MHz
2068 MHz
Floating-point performance
903.2 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,870 million
11,060 million
Pipelines / CUDA cores
384
1792
Power consumption (TDP)
75 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
28.22
235.8
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
14000 MHz
Memory bandwidth
14.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-