Radeon Instinct MI300X vs HD 8870M

Primary details

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

Place in the ranking679not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)CDNA 3.0 (2023−2024)
GPU code nameVenusAqua Vanjaram
Market segmentLaptopWorkstation
Release date1 April 2013 (11 years ago)6 December 2023 (less than a 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 cores64019456
Core clock speed725 MHz1000 MHz
Boost clock speed775 MHz2100 MHz
Number of transistors1,500 million153,000 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)no data750 Watt
Texture fill rate31.002,554
Floating-point processing power0.992 TFLOPS81.72 TFLOPS
ROPs16no data
TMUs401216
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).

Laptop sizelargeno data
InterfacePCIe 3.0 x16PCIe 5.0 x16
Widthno dataOAM Module
Supplementary power connectorsno dataNone

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 amount2 GB192 GB
Memory bus width128 Bit8192 Bit
Memory clock speed1125 MHz2525 MHz
Memory bandwidth72 GB/s5,171 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 ConnectorsNo outputsNo 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 1 April 2013 6 December 2023
Maximum RAM amount 2 GB 192 GB
Chip lithography 28 nm 5 nm

Instinct MI300X has an age advantage of 10 years, a 9500% higher maximum VRAM amount, and a 460% more advanced lithography process.

We couldn't decide between Radeon HD 8870M and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon HD 8870M is a notebook 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 8870M
Radeon HD 8870M
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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4.7 11 votes

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3.4 57 votes

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Questions & comments

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