T550 Mobile vs Radeon HD 7490M

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot rated395
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)Turing (2018−2022)
GPU code nameSeymour XTXTU117
Market segmentLaptopLaptop
Release date7 December 2011 (12 years ago)27 May 2022 (2 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 cores1601024
Core clock speed800 MHz1065 MHz
Boost clock speedno data1665 MHz
Number of transistors370 million4,700 million
Manufacturing process technology40 nm12 nm
Power consumption (TDP)9 Watt25 Watt (20 - 60 Watt TGP)
Texture fill rate6.400106.6
Floating-point processing power0.256 gflops3.41 gflops

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 datamedium sized
InterfacePCIe 2.0 x16PCIe 3.0 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 typeGDDR5GDDR5, GDDR6
Maximum RAM amount512 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed3800 MHz12000 MHz
Memory bandwidth30.4 GB/s96 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 (12_1)
Shader Model5.06.6
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-7.5

Pros & cons summary


Recency 7 December 2011 27 May 2022
Maximum RAM amount 512 MB 4 GB
Chip lithography 40 nm 12 nm
Power consumption (TDP) 9 Watt 25 Watt

HD 7490M has 177.8% lower power consumption.

T550 Mobile, on the other hand, has an age advantage of 10 years, a 700% higher maximum VRAM amount, and a 233.3% more advanced lithography process.

We couldn't decide between Radeon HD 7490M and T550 Mobile. 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
NVIDIA T550 Mobile
T550 Mobile

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.


3.4 8 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
3 24 votes

Rate T550 Mobile 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.