GeForce 940M and Radeon HD 7640G - video card comparison
Passmark - benchmark score GeForce 940M vs Radeon HD 7640G
GeForce 940M
1156
Radeon HD 7640G
473
GeForce 940M
Radeon HD 7640G
Architecture
Maxwell (2014−2018)
Terascale 3 (2010−2013)
GPU code name
N16S-GT-S/B
Trinity
Market segment
Laptop
Laptop
Release date
March 2015
May 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
IGP
Boost clock speed
1176 MHz
686 MHz
Core clock speed
1072 MHz
497 MHz
Floating-point performance
903.2 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
1,870 million
1,303 million
Pipelines / CUDA cores
384
256
Power consumption (TDP)
75 Watt
35 Watt
Texture fill rate
28.22
10.96
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
2000 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-