Radeon Instinct MI250 vs Iris Pro Graphics P555

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGeneration 9.0 (2015−2016)CDNA 2.0 (2021)
GPU code nameSkylake GT3eAldebaran
Market segmentDesktopWorkstation
Release date1 September 2015 (9 years ago)8 November 2021 (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 cores38413312
Core clock speed350 MHz1000 MHz
Boost clock speed1000 MHz1700 MHz
Number of transistors189 million58,200 million
Manufacturing process technology14 nm+6 nm
Power consumption (TDP)15 Watt500 Watt
Texture fill rate48.001,414
Floating-point processing power0.768 TFLOPS45.26 TFLOPS
ROPs6no data
TMUs48832

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 x1PCIe 4.0 x16
Lengthno data267 mm
WidthIGP2-slot
Supplementary power connectorsno data2x 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 typeSystem SharedHBM2e
Maximum RAM amountSystem Shared128 GB
Memory bus widthSystem Shared8192 Bit
Memory clock speedSystem Shared1600 MHz
Memory bandwidthno data3,277 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_1)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.13.0
Vulkan1.1.97N/A

Pros & cons summary


Recency 1 September 2015 8 November 2021
Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 500 Watt

Iris Pro Graphics P555 has 3233.3% lower power consumption.

Instinct MI250, on the other hand, has an age advantage of 6 years, and a 133.3% more advanced lithography process.

We couldn't decide between Iris Pro Graphics P555 and Radeon Instinct MI250. We've got no test results to judge.

Be aware that Iris Pro Graphics P555 is a desktop card while Radeon Instinct MI250 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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Intel Iris Pro Graphics P555
Iris Pro Graphics P555
AMD Radeon Instinct MI250
Radeon Instinct MI250

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Community ratings

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Questions & comments

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