Radeon RX 7600M XT vs HD 7490M

Primary details

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

Place in the rankingnot rated153
Place by popularitynot in top-100not in top-100
Power efficiencyno data19.68
ArchitectureTeraScale 2 (2009−2015)RDNA 3.0 (2022−2024)
GPU code nameSeymourNavi 33
Market segmentLaptopLaptop
Release date7 January 2012 (12 years ago)4 January 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 cores1602048
Core clock speed800 MHz1280 MHz
Boost clock speedno data2469 MHz
Number of transistors370 million13,300 million
Manufacturing process technology40 nm6 nm
Power consumption (TDP)9 Watt120 Watt
Texture fill rate6.400316.0
Floating-point processing power0.256 TFLOPS20.23 TFLOPS
ROPs464
TMUs8128
Ray Tracing Coresno data32

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 datalarge
InterfacePCIe 2.0 x16PCIe 4.0 x16
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 amount1 GB8 GB
Memory bus width64 Bit128 Bit
Memory clock speed950 MHz2250 MHz
Memory bandwidth30.4 GB/s288.0 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 outputsPortable Device Dependent

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

Pros & cons summary


Recency 7 January 2012 4 January 2023
Maximum RAM amount 1 GB 8 GB
Chip lithography 40 nm 6 nm
Power consumption (TDP) 9 Watt 120 Watt

HD 7490M has 1233.3% lower power consumption.

RX 7600M XT, on the other hand, has an age advantage of 10 years, a 700% higher maximum VRAM amount, and a 566.7% more advanced lithography process.

We couldn't decide between Radeon HD 7490M and Radeon RX 7600M XT. 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 HD 7490M
Radeon HD 7490M
AMD Radeon RX 7600M XT
Radeon RX 7600M XT

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.


3.6 9 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4 70 votes

Rate Radeon RX 7600M XT 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.