Radeon HD 7490M vs RX Vega 8 (Ryzen 4000/5000)

Primary details

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

Place in the ranking481not rated
Place by popularity34not in top-100
Power efficiency41.49no data
ArchitectureVega (2017−2020)TeraScale 2 (2009−2015)
GPU code nameVegaSeymour
Market segmentLaptopLaptop
Release date7 January 2020 (4 years ago)7 January 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 cores512160
Core clock speedno data800 MHz
Boost clock speed2100 MHzno data
Number of transistorsno data370 million
Manufacturing process technology7 nm40 nm
Power consumption (TDP)15 Watt9 Watt
Texture fill rateno data6.400
Floating-point processing powerno data0.256 TFLOPS
ROPsno data4
TMUsno data8

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).

Interfaceno dataPCIe 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 typeno dataGDDR5
Maximum RAM amountno data1 GB
Memory bus widthno data64 Bit
Memory clock speedno data950 MHz
Memory bandwidthno data30.4 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 dataNo outputs

API compatibility

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

DirectX12_111.2 (11_0)
Shader Modelno data5.0
OpenGLno data4.4
OpenCLno data1.2
Vulkan-N/A

Pros & cons summary


Recency 7 January 2020 7 January 2012
Chip lithography 7 nm 40 nm
Power consumption (TDP) 15 Watt 9 Watt

RX Vega 8 (Ryzen 4000/5000) has an age advantage of 8 years, and a 471.4% more advanced lithography process.

HD 7490M, on the other hand, has 66.7% lower power consumption.

We couldn't decide between Radeon RX Vega 8 (Ryzen 4000/5000) and Radeon HD 7490M. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX Vega 8 (Ryzen 4000/5000)
Radeon RX Vega 8 (Ryzen 4000/5000)
AMD Radeon HD 7490M
Radeon HD 7490M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.8 1168 votes

Rate Radeon RX Vega 8 (Ryzen 4000/5000) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 9 votes

Rate Radeon HD 7490M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.