Radeon RX Vega 64 Liquid Cooling vs GeForce GTX 680MX Mac Edition

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)GCN 5.0 (2017−2020)
GPU code nameGK104Vega 10
Market segmentLaptopDesktop
Release date23 October 2012 (12 years ago)7 August 2017 (7 years ago)
Launch price (MSRP)no data$699

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 cores15364096
Core clock speed719 MHz1408 MHz
Boost clock speedno data1668 MHz
Number of transistors3,540 million12,500 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)122 Watt345 Watt
Texture fill rate92.03427.0
Floating-point processing power2.209 TFLOPS13.66 TFLOPS
ROPs3264
TMUs128256

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
Lengthno data282 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-pin

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 typeGDDR5HBM2
Maximum RAM amount2 GB8 GB
Memory bus width256 Bit2048 Bit
Memory clock speed1250 MHz945 MHz
Memory bandwidth160.0 GB/s483.8 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 outputs1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.1261.1.125
CUDA3.0-

Pros & cons summary


Recency 23 October 2012 7 August 2017
Maximum RAM amount 2 GB 8 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 122 Watt 345 Watt

GTX 680MX Mac Edition has 182.8% lower power consumption.

RX Vega 64 Liquid Cooling, on the other hand, has an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between GeForce GTX 680MX Mac Edition and Radeon RX Vega 64 Liquid Cooling. We've got no test results to judge.

Be aware that GeForce GTX 680MX Mac Edition is a notebook card while Radeon RX Vega 64 Liquid Cooling is a desktop one.


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 GTX 680MX Mac Edition
GeForce GTX 680MX Mac Edition
AMD Radeon RX Vega 64 Liquid Cooling
Radeon RX Vega 64 Liquid Cooling

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.


4.1 8 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 22 votes

Rate Radeon RX Vega 64 Liquid Cooling 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.