GeForce 940MX and Radeon 680M - video card comparison
Passmark - benchmark score GeForce 940MX vs Radeon 680M
GeForce 940MX
1561
Radeon 680M
6351
GeForce 940MX
Radeon 680M
Architecture
Maxwell (2014−2018)
RDNA 2 (2020−2022)
GPU code name
N16S-GTR-B/S
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
March 2016
January 2022
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
2400 MHz
Core clock speed
1122 MHz
-
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,870 million
13,100 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
23 Watt
45 Watt
Texture fill rate
23.83
115.2
Memory type
DDR3, GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
4000 MHz
System Shared
Memory bandwidth
40.1 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-