GeForce GTX 680MX Mac Edition vs GT 755M Mac Edition

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking864not rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK104
Market segmentDesktopDesktop
Release date8 November 2013 (10 years ago)23 October 2012 (11 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3841536
Core clock speed1085 MHz719 MHz
Number of transistors1,270 million3,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)50 Watt122 Watt
Texture fill rate34.7292.03
Floating-point processing power0.8333 gflops2.209 gflops

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 3.0 x16
WidthMXM Moduleno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width128 Bit256 Bit
Memory clock speed5000 MHz5000 MHz
Memory bandwidth80 GB/s160.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.03.0

Pros & cons summary


Recency 8 November 2013 23 October 2012
Maximum RAM amount 1 GB 2 GB
Power consumption (TDP) 50 Watt 122 Watt

GT 755M Mac Edition has an age advantage of 1 year, and 144% lower power consumption.

GTX 680MX Mac Edition, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between GeForce GT 755M Mac Edition and GeForce GTX 680MX Mac Edition. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GT 755M Mac Edition
GeForce GT 755M Mac Edition
NVIDIA GeForce GTX 680MX Mac Edition
GeForce GTX 680MX Mac Edition

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.4 10 votes

Rate GeForce GT 755M Mac Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 6 votes

Rate GeForce GTX 680MX Mac Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.