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AMD Instinct MI210 vs AMD Radeon Pro W6800X Duo: Comparison
AMD Instinct MI210 and AMD Radeon Pro W6800X Duo separate most on memory bus width: AMD Instinct MI210 at 4096 bit, AMD Radeon Pro W6800X Duo at 256 bit, 94% in favour of AMD Instinct MI210. Boost Clock splits them by another 16%, this time favouring AMD Radeon Pro W6800X Duo.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | AMD |
| Series | Instinct MI200 | Radeon Pro W6000 |
| Board Partner | AMD Reference (PCIe dual-slot card, data center/OEM only) | AMD Reference (Apple Mac Pro MPX Module) |
| VRAM | 64 GB | 2x 32GB GDDR6 (64GB total, not pooled per GPU) |
| Tier | Datacenter / AI Accelerator | Flagship (Workstation, Dual-GPU, Mac Pro exclusive) |
| Memory Type | HBM2E | GDDR6 |
| Boost Clock | 1700 MHz-16% | 2015 MHz |
| Ray Tracing Support | false | true |
| TDP | 300 W | ~450W combined (225W per GPU) |
| Architecture | CDNA 2 (single Graphics Compute Die) | RDNA 2 |
| Slot Width | 2 (dual-slot, passive cooling for server airflow) | N/A (MPX module, occupies two MPX bays) |
| Memory Bus Width | 4096 bit | 256 bit-94% |
| Launch Date | 2022-03 | 2021-06 |
| PCIe Interface | PCIe 4.0 x16 | MPX module (PCIe 4.0 x16 electrical per GPU) |
| Display Outputs | N/A - compute-only, no display output | 6x USB-C (DP Alt Mode) combined across both GPUs, via MPX bay |
Verdict
AMD Instinct MI210
7.3 / 10 Expert Rating
A practical, PCIe-slot-friendly way to get CDNA 2 compute into a standard server, useful for smaller HPC and AI deployments, but clearly the entry point of its generation next to the dual-die MI250X and now well behind the MI300 series.
AMD Radeon Pro W6800X Duo
7 / 10 Expert Rating
The most powerful Mac Pro GPU option ever offered - excellent for apps that use both dies, expensive and irrelevant outside that ecosystem.