Radeon Vega 6 Mobile Efficient vs HD 8490 OEM

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)GCN 5.0 (2017−2020)
GPU code nameCaicosRaven
Market segmentDesktopLaptop
Release date23 July 2013 (11 years ago)23 April 2018 (6 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 cores160384
Core clock speed875 MHz300 MHz
Boost clock speedno data1011 MHz
Number of transistors370 million4,940 million
Manufacturing process technology40 nm14 nm
Power consumption (TDP)35 Watt15 Watt
Texture fill rate7.00024.26
Floating-point processing power0.28 TFLOPS0.7764 TFLOPS
ROPs48
TMUs824

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 x16IGP
Length168 mmno data
Width1-slotno data
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 typeDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth14.4 GB/sno data
Shared memoryno data+

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 Connectors1x DVI, 1x DisplayPortNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_1)
Shader Model5.06.4
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 23 July 2013 23 April 2018
Chip lithography 40 nm 14 nm
Power consumption (TDP) 35 Watt 15 Watt

Vega 6 Mobile Efficient has an age advantage of 4 years, a 185.7% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon HD 8490 OEM and Radeon Vega 6 Mobile Efficient. We've got no test results to judge.

Be aware that Radeon HD 8490 OEM is a desktop card while Radeon Vega 6 Mobile Efficient is a notebook one.


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 8490 OEM
Radeon HD 8490 OEM
AMD Radeon Vega 6 Mobile Efficient
Radeon Vega 6 Mobile Efficient

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Community ratings

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