
GeForce 940MX and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce 940MX vs Radeon HD 6450
GeForce 940MX
1561
Radeon HD 6450
203
GeForce 940MX
Radeon HD 6450
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
N16S-GTR-B/S
Caicos
Market segment
Laptop
Desktop
Release date
March 2016
April 2011
Bus support
PCI Express 3.0
PCIe 2.0 x8
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
750 MHz
Core clock speed
1122 MHz
-
Floating-point performance
762.6 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
23 Watt
30 Watt
Texture fill rate
23.83
5.000
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4000 MHz
800 MHz
Memory bandwidth
40.1 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
Number of Eyefinity displays
-
4
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
-
-