GeForce RTX 2070 Max-Q Refresh vs Radeon HD 6490M Mac Edition

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Turing (2018−2021)
GPU code nameSeymourTU106B
Market segmentDesktopDesktop
Release date2 May 2011 (13 years ago)16 June 2020 (3 years ago)
Current price$180 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1602304
Core clock speed750 MHzno data
Boost clock speedno data1125 MHz
Number of transistors370 million10,800 million
Manufacturing process technology40 nm12 nm
Power consumption (TDP)no data115 Watt
Texture fill rate6.000162.0
Floating-point performance240 gflopsno 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).

InterfacePCIe 2.0 x16PCIe 3.0 x16
Widthno dataMXM Module
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 typeGDDR5GDDR6
Maximum RAM amount256 MB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed3176 MHz11 GB/s
Memory bandwidth25.41 GB/s352.0 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.5
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2
CUDAno data7.5

Pros & cons summary


Recency 2 May 2011 16 June 2020
Maximum RAM amount 256 MB 8 GB
Chip lithography 40 nm 12 nm

We couldn't decide between Radeon HD 6490M Mac Edition and GeForce RTX 2070 Max-Q Refresh. 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 6490M Mac Edition
Radeon HD 6490M Mac Edition
NVIDIA GeForce RTX 2070 Max-Q Refresh
GeForce RTX 2070 Max-Q Refresh

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