GeForce 940MX and Radeon HD 6670 - video card comparison
Passmark - benchmark score GeForce 940MX vs Radeon HD 6670
GeForce 940MX
1561
Radeon HD 6670
752
GeForce 940MX
Radeon HD 6670
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
N16S-GTR-B/S
Turks
Market segment
Laptop
Desktop
Release date
March 2016
April 2011
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
800 MHz
Core clock speed
1122 MHz
-
Floating-point performance
762.6 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
23 Watt
66 Watt
Texture fill rate
23.83
19.20
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4000 MHz
1050 MHz
Memory bandwidth
40.1 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
GameWorks
+
-
GPU Boost
2.0
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-