Apple M3 Max 40-Core GPU vs Radeon HD 6670A

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
ArchitectureTeraScale 2 (2009−2015)no data
GPU code nameTurksno data
Market segmentLaptopLaptop
Release date19 April 2011 (13 years ago)31 October 2023 (1 year 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 cores48040
Core clock speed600 MHzno data
Number of transistors716 millionno data
Manufacturing process technology40 nm5 nm
Power consumption (TDP)45 Watt53 Watt
Texture fill rate14.40no data
Floating-point processing power0.576 TFLOPSno data
ROPs8no data
TMUs24no data

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 sizeno datamedium sized
InterfaceMXM-A (3.0)no 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 typeGDDR5LPDDR5-6400
Maximum RAM amount1 GBno data
Memory bus width128 Bitno data
Memory clock speed1000 MHzno data
Memory bandwidth64 GB/sno data
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 data

API compatibility

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

DirectX11.2 (11_0)no data
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no data
VulkanN/A-

Pros & cons summary


Recency 19 April 2011 31 October 2023
Chip lithography 40 nm 5 nm
Power consumption (TDP) 45 Watt 53 Watt

HD 6670A has 17.8% lower power consumption.

Apple M3 Max 40-Core GPU, on the other hand, has an age advantage of 12 years, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 6670A and Apple M3 Max 40-Core GPU. 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 6670A
Radeon HD 6670A
Apple M3 Max 40-Core GPU
M3 Max 40-Core GPU

Comparisons with similar GPUs

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Community ratings

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4.5 2 votes

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3.4 237 votes

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Questions & comments

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