
GeForce GTX 680MX and GeForce GT 755M - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs GeForce GT 755M
GeForce GTX 680MX
4266
GeForce GT 755M
1739
GeForce GTX 680MX
GeForce GT 755M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
-
N14P-
Market segment
Laptop
Laptop
Release date
October 2012
June 2013
Bus support
PCI Express 3.0
PCI Express 3.0, PCI Express 2.0
Interface
-
PCIe 3.0 x16
SLI options
+
-
SLI-ready
-
-
Core clock speed
720 MHz
980 MHz
CUDA cores
1536
-
Floating-point performance
-
752.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3540 Million
1,270 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
122 Watt
50 Watt
Texture fill rate
92.2 billion/sec
31.36
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2500 MHz
5400 MHz
Memory bandwidth
160 GB/s
86.4 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
-
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
12 API
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Vision
+
-
3D Vision / 3DTV Play
-
+
Blu-Ray 3D Support
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
-
+