Radeon Instinct MI300X vs ATI HD 2950 XTX

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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
ArchitectureTeraScale (2005−2013)CDNA 3.0 (2023−2024)
GPU code nameRV670Aqua Vanjaram
Market segmentDesktopWorkstation
Release dateno data6 December 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 cores32019456
Core clock speed777 MHz1000 MHz
Boost clock speedno data2100 MHz
Number of transistors666 million153,000 million
Manufacturing process technology55 nm5 nm
Power consumption (TDP)110 Watt750 Watt
Texture fill rate12.432,554
Floating-point processing power0.4973 TFLOPS81.72 TFLOPS
ROPs16no data
TMUs161216
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 2.0 x16PCIe 5.0 x16
Length241 mmno data
Width1-slotOAM Module
Supplementary power connectors1x 6-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 typeGDDR4HBM3
Maximum RAM amount512 MB192 GB
Memory bus width256 Bit8192 Bit
Memory clock speed1126 MHz2525 MHz
Memory bandwidth72.06 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)N/A
Shader Model4.1N/A
OpenGL3.3 (full) 4.0 (partial)N/A
OpenCLN/A3.0
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 512 MB 192 GB
Chip lithography 55 nm 5 nm
Power consumption (TDP) 110 Watt 750 Watt

ATI HD 2950 XTX has 581.8% lower power consumption.

Instinct MI300X, on the other hand, has a 38300% higher maximum VRAM amount, and a 1000% more advanced lithography process.

We couldn't decide between Radeon HD 2950 XTX and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon HD 2950 XTX 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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ATI Radeon HD 2950 XTX
Radeon HD 2950 XTX
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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3.4 61 vote

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Questions & comments

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