Radeon Instinct MI300 vs ATI X1550 PCI

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
ArchitectureUltra-Threaded SE (2005−2007)CDNA 3.0 (2023−2024)
GPU code nameRV516Aqua Vanjaram
Market segmentDesktopWorkstation
Release date2007 (17 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 coresno data14080
Core clock speed452 MHz1000 MHz
Boost clock speedno data1700 MHz
Number of transistors105 million153,000 million
Manufacturing process technology90 nm5 nm
Power consumption (TDP)27 Watt600 Watt
Texture fill rate1.8081,496
Floating-point processing powerno data47.87 TFLOPS
ROPs4no data
TMUs4880
Tensor Coresno data880

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).

InterfacePCIPCIe 5.0 x16
Lengthno data267 mm
Width1-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 typeDDR2HBM3
Maximum RAM amount256 MB128 GB
Memory bus width64 Bit8192 Bit
Memory clock speed532 MBps1600 MHz
Memory bandwidth4.256 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 VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)N/A
Shader Model3.0N/A
OpenGL2.1N/A
OpenCLN/A3.0
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 256 MB 128 GB
Chip lithography 90 nm 5 nm
Power consumption (TDP) 27 Watt 600 Watt

ATI X1550 PCI has 2122.2% lower power consumption.

Instinct MI300, on the other hand, has a 51100% higher maximum VRAM amount, and a 1700% more advanced lithography process.

We couldn't decide between Radeon X1550 PCI and Radeon Instinct MI300. We've got no test results to judge.

Be aware that Radeon X1550 PCI is a desktop card while Radeon Instinct MI300 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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ATI Radeon X1550 PCI
Radeon X1550 PCI
AMD Radeon Instinct MI300
Radeon Instinct MI300

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Community ratings

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3.7 13 votes

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4.6 25 votes

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Questions & comments

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