Radeon HD 6490M Mac Edition vs R7 M440

Primary details

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

Place in the ranking845not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 3.0 (2014−2019)TeraScale 2 (2009−2015)
GPU code nameMesoSeymour
Market segmentLaptopLaptop
Release date15 May 2016 (8 years ago)2 May 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 cores320160
Core clock speed891 MHz750 MHz
Number of transistors1,550 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)unknownno data
Texture fill rate17.826.000
Floating-point processing power0.5702 TFLOPS0.24 TFLOPS
ROPs84
TMUs208

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 x8PCIe 2.0 x16

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 typeDDR3GDDR5
Maximum RAM amount4 GB256 MB
Memory bus width64 Bit64 Bit
Memory clock speed900 MHz794 MHz
Memory bandwidth14.4 GB/s25.41 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 (12_0)11.2 (11_0)
Shader Model6.05.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 15 May 2016 2 May 2011
Maximum RAM amount 4 GB 256 MB
Chip lithography 28 nm 40 nm

R7 M440 has an age advantage of 5 years, a 1500% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon R7 M440 and Radeon HD 6490M 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 R7 M440
Radeon R7 M440
AMD Radeon HD 6490M Mac Edition
Radeon HD 6490M Mac Edition

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