Radeon HD 7490M vs R7 250E

Primary details

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

Place in the ranking668not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.14no data
Power efficiency5.49no data
ArchitectureGCN 1.0 (2011−2020)TeraScale 2 (2009−2015)
GPU code nameCape VerdeSeymour
Market segmentDesktopLaptop
Release date20 December 2013 (10 years ago)7 January 2012 (12 years ago)
Launch price (MSRP)$109 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 speed800 MHz800 MHz
Number of transistors1,500 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)55 Watt9 Watt
Texture fill rate25.606.400
Floating-point processing power0.8192 TFLOPS0.256 TFLOPS
ROPs164
TMUs328

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 3.0 x16PCIe 2.0 x16
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 typeGDDR5GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed1125 MHz950 MHz
Memory bandwidth72 GB/s30.4 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (11_1)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 20 December 2013 7 January 2012
Chip lithography 28 nm 40 nm
Power consumption (TDP) 55 Watt 9 Watt

R7 250E has an age advantage of 1 year, and a 42.9% more advanced lithography process.

HD 7490M, on the other hand, has 511.1% lower power consumption.

We couldn't decide between Radeon R7 250E and Radeon HD 7490M. We've got no test results to judge.

Be aware that Radeon R7 250E is a desktop card while Radeon HD 7490M is a notebook one.


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 R7 250E
Radeon R7 250E
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.


4 23 votes

Rate Radeon R7 250E 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.