Radeon Instinct MI300A vs RTX PRO 4000 Blackwell
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Blackwell 2.0 (2025) | CDNA 3.0 (2023−2024) |
| GPU code name | GB203 | Aqua Vanjaram |
| Market segment | Workstation | Workstation |
| Release date | 18 March 2025 (less than a year ago) | 6 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 cores | 8960 | 19456 |
| Core clock speed | 1590 MHz | 1000 MHz |
| Boost clock speed | 2617 MHz | 2100 MHz |
| Number of transistors | 45,600 million | 153,000 million |
| Manufacturing process technology | 5 nm | 5 nm |
| Power consumption (TDP) | 140 Watt | 750 Watt |
| Texture fill rate | 732.8 | 2,554 |
| Floating-point processing power | 46.9 TFLOPS | 81.72 TFLOPS |
| ROPs | 96 | no data |
| TMUs | 280 | 1216 |
| Tensor Cores | 280 | 1216 |
| Ray Tracing Cores | 70 | no data |
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).
| Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |
| Length | 241 mm | no data |
| Width | 1-slot | OAM Module |
| Supplementary power connectors | 1x 16-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 | GDDR7 | HBM3 |
| Maximum RAM amount | 24 GB | 192 GB |
| Memory bus width | 192 Bit | 8192 Bit |
| Memory clock speed | 1750 MHz | 2525 MHz |
| Memory bandwidth | 672.0 GB/s | 10.3 TB/s |
| Resizable BAR | + | + |
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 | 4x DisplayPort 2.1b | No outputs |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | N/A |
| Shader Model | 6.8 | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | N/A |
| CUDA | 12.0 | - |
| DLSS | + | + |
Pros & cons summary
| Recency | 18 March 2025 | 6 December 2023 |
| Maximum RAM amount | 24 GB | 192 GB |
| Power consumption (TDP) | 140 Watt | 750 Watt |
RTX PRO 4000 Blackwell has an age advantage of 1 year, and 435.7% lower power consumption.
Instinct MI300A, on the other hand, has a 700% higher maximum VRAM amount.
We couldn't decide between RTX PRO 4000 Blackwell and Radeon Instinct MI300A. We've got no test results to judge.
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