GeForce GTX 680MX Mac Edition vs Radeon HD 7970M

Primary details

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

Place in the ranking474not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.35no data
ArchitectureGCN 1.0 (2011−2020)Kepler (2012−2018)
GPU code nameWimbledonGK104
Market segmentLaptopLaptop
Release date24 April 2012 (12 years ago)23 October 2012 (12 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 cores12801536
Core clock speed850 MHz719 MHz
Number of transistors2,800 million3,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)100 Watt122 Watt
Texture fill rate68.0092.03
Floating-point processing power2.176 TFLOPS2.209 TFLOPS
ROPs3232
TMUs80128

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).

Laptop sizelargeno data
InterfaceMXM-B (3.0)PCIe 3.0 x16
Supplementary power connectorsNoneno 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 amount2 GB2 GB
Memory bus width256 Bit256 Bit
Memory clock speed1200 MHz1250 MHz
Memory bandwidth153.6 GB/s160.0 GB/s
Shared memory--

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_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA-3.0

Pros & cons summary


Recency 24 April 2012 23 October 2012
Power consumption (TDP) 100 Watt 122 Watt

HD 7970M has 22% lower power consumption.

GTX 680MX Mac Edition, on the other hand, has an age advantage of 5 months.

We couldn't decide between Radeon HD 7970M 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.

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AMD Radeon HD 7970M
Radeon HD 7970M
NVIDIA GeForce GTX 680MX Mac Edition
GeForce GTX 680MX Mac Edition

Comparisons with similar GPUs

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Community ratings

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4.2 43 votes

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4.1 8 votes

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Questions & comments

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