AMD MI300X vs AMD MI355X
AMD MI355X comes out ahead of AMD MI300X on 6 of the 8 things that decide this, going by what each maker publishes. The one that matters for you may be one the leader loses.
The verdict
AMD MI355X takes it, 6–2 on rounds.
On the published figures, AMD MI355X takes 6 of 8 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose AMD MI300X if…
- • You want AMD MI300X's edge on how much power it draws and how it handles scientific fp64 math
Choose AMD MI355X if…
- • You want AMD MI355X's edge on how much memory it has and how fast its memory is
Round by round
- Round 1How much memory it hasAMD MI355X wins
AMD MI355X wins this round on what the company itself publishes.
- Round 2How fast its memory isAMD MI355X wins
AMD MI355X wins this round on what the company itself publishes.
- Round 3How fast it runs FP8 AI mathAMD MI355X wins
AMD MI355X wins this round on what the company itself publishes.
- Round 4How fast it runs FP16 AI mathAMD MI355X wins
AMD MI355X wins this round on what the company itself publishes.
- Round 5How much power it drawsAMD MI300X wins
AMD MI300X wins this round on what the company itself publishes.
- Round 6How fast chips talk to each otherAMD MI355X winsAMD MI300X5/10
128 GB/s
peak infinity fabric link bw (per link, 8 links)
- 128 GB/s, against 153 GB/s
Source: amd.com ↗
AMD MI355X wins this round on what the company itself publishes.
- Round 7How it handles scientific FP64 mathAMD MI300X wins
AMD MI300X wins this round on what the company itself publishes.
- Round 8Which memory generation it usesAMD MI355X wins
AMD MI355X wins this round on what the company itself publishes.
Side by side
- 1.3 PFLOPs, against 1,678 TFLOPS
- 12/06/2023, against September 24, 2024
- 192 GB HBM3, against 288 GB HBM3E
- 5.3 TB/s, against 8 TB/s
- 1400W, against 700 W
- 1400W, against 750W
- 78.6 TFLOPs, against 163.4 TFLOPs
- 1400W, against 1000W