Radeon HD 6970M Mac Edition vs GeForce GT 650M Mac Edition

#ad 
Buy on Amazon
VS

Primary details

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

Place in the ranking963not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.42no data
ArchitectureKepler (2012−2018)TeraScale 2 (2009−2015)
GPU code nameGK107Blackcomb
Market segmentLaptopLaptop
Release date12 July 2012 (12 years ago)25 August 2011 (13 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 cores384960
Core clock speed900 MHz680 MHz
Number of transistors1,270 million1,700 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)45 Watt75 Watt
Texture fill rate28.8032.64
Floating-point processing power0.6912 TFLOPS1.306 TFLOPS
ROPs1632
TMUs3248

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 x16MXM-B (3.0)
Supplementary power connectorsno dataNone

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 amount512 MB2 GB
Memory bus width128 Bit256 Bit
Memory clock speed1254 MHz900 MHz
Memory bandwidth80.26 GB/s115.2 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 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.1.126N/A
CUDA3.0-

Pros & cons summary


Recency 12 July 2012 25 August 2011
Maximum RAM amount 512 MB 2 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 45 Watt 75 Watt

GT 650M Mac Edition has an age advantage of 10 months, a 42.9% more advanced lithography process, and 66.7% lower power consumption.

HD 6970M Mac Edition, on the other hand, has a 300% higher maximum VRAM amount.

We couldn't decide between GeForce GT 650M Mac Edition and Radeon HD 6970M 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 650M Mac Edition
GeForce GT 650M Mac Edition
AMD Radeon HD 6970M Mac Edition
Radeon HD 6970M 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.


2.6 19 votes

Rate GeForce GT 650M Mac Edition on a scale of 1 to 5:

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

Rate Radeon HD 6970M 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.