Radeon Instinct MI300X vs Pro Vega 20
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 354 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 14.74 | no data |
| Architecture | Vega (2017−2021) | CDNA 3.0 |
| GPU code name | Vega Mobile | Aqua Vanjaram |
| Market segment | Mobile workstation | Desktop |
| Release date | 15 November 2018 (5 years ago) | 6 December 2023 (less than a year ago) |
| Current price | $360 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1280 | 19456 |
| Core clock speed | 815 MHz | no data |
| Boost clock speed | 1283 MHz | 2100 MHz |
| Number of transistors | no data | 153,000 million |
| Manufacturing process technology | 14 nm | 5 nm |
| Power consumption (TDP) | 100 Watt | 750 Watt |
| Texture fill rate | 102.6 | 2,554 |
Form factor & compatibility
Information on Radeon Pro Vega 20 and Radeon Instinct MI300X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | large | no data |
| Interface | PCIe 3.0 x16 | PCIe 5.0 x16 |
| Width | no data | OAM Module |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | None |
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 type | HBM2 | HBM3 |
| Maximum RAM amount | 4 GB | 192 GB |
| Memory bus width | 1024 Bit | 8192 Bit |
| Memory clock speed | 1480 MHz | 5 GB/s |
| Memory bandwidth | 189.4 GB/s | 5,171 GB/s |
| Shared memory | - | no data |
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 Connectors | No outputs | No outputs |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | N/A |
| Shader Model | 6.3 | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2.131 | N/A |
Pros & cons summary
| Recency | 15 November 2018 | 6 December 2023 |
| Maximum RAM amount | 4 GB | 192 GB |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 100 Watt | 750 Watt |
We couldn't decide between Radeon Pro Vega 20 and Radeon Instinct MI300X. We've got no test results to judge.
Be aware that Radeon Pro Vega 20 is a mobile workstation card while Radeon Instinct MI300X is a desktop 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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