Radeon Instinct MI300X vs HD 8990 OEM

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
ArchitectureGCN 1.0 (2011−2020)CDNA 3.0 (2023−2024)
GPU code nameMaltaAqua Vanjaram
Market segmentDesktopWorkstation
Release date24 April 2013 (11 years ago)6 December 2023 (less than a year ago)
Launch price (MSRP)$999 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 cores204819456
Core clock speed950 MHz1000 MHz
Boost clock speed1000 MHz2100 MHz
Number of transistors4,313 million153,000 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)375 Watt750 Watt
Texture fill rate128.02,554
Floating-point processing power4.096 TFLOPS81.72 TFLOPS
ROPs32no data
TMUs1281216
Tensor Coresno data1216

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 5.0 x16
Length307 mmno data
Width2-slotOAM Module
Supplementary power connectors2x 8-pinNone

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 typeGDDR5HBM3
Maximum RAM amount3 GB192 GB
Memory bus width384 Bit8192 Bit
Memory clock speed1500 MHz2525 MHz
Memory bandwidth288.0 GB/s5,171 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, 4x mini-DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)N/A
Shader Model5.1N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.2.131N/A

Pros & cons summary


Recency 24 April 2013 6 December 2023
Maximum RAM amount 3 GB 192 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 375 Watt 750 Watt

HD 8990 OEM has 100% lower power consumption.

Instinct MI300X, on the other hand, has an age advantage of 10 years, a 6300% higher maximum VRAM amount, and a 460% more advanced lithography process.

We couldn't decide between Radeon HD 8990 OEM and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon HD 8990 OEM is a desktop card while Radeon Instinct MI300X 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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AMD Radeon HD 8990 OEM
Radeon HD 8990 OEM
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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3.6 7 votes

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Questions & comments

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