Radeon Instinct MI250X vs RX 550X

Primary details

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

Place in the ranking585not rated
Place by popularitynot in top-100not in top-100
Power efficiency8.28no data
ArchitectureGCN 4.0 (2016−2020)CDNA 2.0 (2021)
GPU code nameLexaAldebaran
Market segmentDesktopWorkstation
Release date16 December 2018 (5 years ago)8 November 2021 (3 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 cores51214080
Core clock speed1100 MHz1000 MHz
Boost clock speed1183 MHz1700 MHz
Number of transistors2,200 million58,200 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)50 Watt500 Watt
Texture fill rate37.861,496
Floating-point processing power1.211 TFLOPS47.87 TFLOPS
ROPs16no data
TMUs32880

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 x8PCIe 4.0 x16
Length145 mm267 mm
Width2-slot2-slot
Supplementary power connectorsNone2x 8-pin

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 typeGDDR5HBM2e
Maximum RAM amount4 GB128 GB
Memory bus width128 Bit8192 Bit
Memory clock speed1500 MHz1600 MHz
Memory bandwidth96 GB/s3,277 GB/s

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 (12_0)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.2.131N/A

Pros & cons summary


Recency 16 December 2018 8 November 2021
Maximum RAM amount 4 GB 128 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 50 Watt 500 Watt

RX 550X has 900% lower power consumption.

Instinct MI250X, on the other hand, has an age advantage of 2 years, a 3100% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon RX 550X and Radeon Instinct MI250X. We've got no test results to judge.

Be aware that Radeon RX 550X is a desktop card while Radeon Instinct MI250X is a workstation 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 RX 550X
Radeon RX 550X
AMD Radeon Instinct MI250X
Radeon Instinct MI250X

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.


3.6 114 votes

Rate Radeon RX 550X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 123 votes

Rate Radeon Instinct MI250X 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.