Consumercarts is reader-supported. Learn more
AMD Instinct MI100 vs AMD Radeon R9 M280X: Comparison
Instinct MI100 vs Radeon R9 M280X: the memory bandwidth difference
The gap that matters here is memory bandwidth: Instinct MI100 1200 GB/s against Radeon R9 M280X 96 GB/s, which puts Instinct MI100 92% ahead. Instinct MI100 also leads on memory bus width, 4096 bit on the Instinct MI100 versus 128 bit on the Radeon R9 M280X. They differ on product type too, Datacenter Accelerator on the Instinct MI100 versus Laptop GPU on the Radeon R9 M280X. There is a split on board partner as well, Reference on the Instinct MI100 versus AMD on the Radeon R9 M280X. The memory type figures are near enough to ignore, HBM2 on the Instinct MI100 versus GDDR5 on the Radeon R9 M280X. There is a split on architecture as well, CDNA on the Instinct MI100 versus GCN on the Radeon R9 M280X. Shader units is not the same on both, 7680 on the Instinct MI100 versus 896 on the Radeon R9 M280X. They differ on form factor too, PCIe Add-in Card on the Instinct MI100 versus Component on the Radeon R9 M280X.
Which should you buy, Instinct MI100 or Radeon R9 M280X?
Buy the Instinct MI100 for buyers comparing AMD's official reference specifications and researching a chip before choosing a board-partner card, though it is the wrong buy for overclocking-focused enthusiasts (reference clocks only). Avoid it for buyers wanting a specific retail card with cooler and warranty details. The Radeon R9 M280X is the one to take for buyers comparing AMD's official reference specifications and researching a chip before choosing a board-partner card, though it is not built for overclocking-focused enthusiasts (reference clocks only). It is not the one for buyers wanting a specific retail card with cooler and warranty details.
Where the two are identical
Everything else lines up. Gpu brand read the same on both, so those are not worth weighing.
Specs and benchmarks
GPU Brand
- AMD Instinct MI100
- AMD
- AMD Radeon R9 M280X
- AMD
Product Type
- AMD Instinct MI100
- Datacenter Accelerator
- AMD Radeon R9 M280X
- Laptop GPU
Series
- AMD Instinct MI100
- Instinct
- AMD Radeon R9 M280X
- Legacy
Board Partner
- AMD Instinct MI100
- Reference
- AMD Radeon R9 M280X
- AMD (Reference)
Memory Type
- AMD Instinct MI100
- HBM2
- AMD Radeon R9 M280X
- GDDR5Best
Architecture
- AMD Instinct MI100
- CDNA
- AMD Radeon R9 M280X
- GCN
Process Node
- AMD Instinct MI100
- TSMC 7nm FinFET
- AMD Radeon R9 M280X
- Other
Shader Units
- AMD Instinct MI100
- 7680
- AMD Radeon R9 M280X
- 896
Memory Bus Width
- AMD Instinct MI100
- 4096 bitBest
- AMD Radeon R9 M280X
- 128 bit-97%
Memory Bandwidth
- AMD Instinct MI100
- 1200 GB/sBest
- AMD Radeon R9 M280X
- 96 GB/s-92%
Launch Date
- AMD Instinct MI100
- 11/16/2020
- AMD Radeon R9 M280X
- February 2015
Form Factor
- AMD Instinct MI100
- PCIe Add-in Card
- AMD Radeon R9 M280X
- Component
Which one should you pick?
Choose AMD Instinct MI100 if you want the higher memory bus width (4096 bit vs 128 bit) and the higher memory bandwidth (1200 GB/s vs 96 GB/s).
Choose AMD Radeon R9 M280X if you already have it on hand or find it at a lower price.