GeForce 940MX and GeForce 6800 GT - video card comparison
Passmark - benchmark score GeForce 940MX vs GeForce 6800 GT
GeForce 940MX
1561
GeForce 6800 GT
146
GeForce 940MX
GeForce 6800 GT
Architecture
Maxwell (2014−2018)
Curie (2003−2013)
GPU code name
N16S-GTR-B/S
NV45
Market segment
Laptop
Desktop
Release date
March 2016
June 2004
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
350 MHz
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
1,870 million
222 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
23 Watt
67 Watt
Texture fill rate
23.83
5.600
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
4000 MHz
1000 MHz
Memory bandwidth
40.1 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
1.1
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-