AC7t800 vs XCVU31P
A comparison of the Achronix Speedster7t AC7t800 and the AMD Virtex UltraScale+ HBM XCVU31P using the data from both vendors' selection guides.
Side-by-side specifications
| AC7t800 | XCVU31P | |
|---|---|---|
| Vendor / family | Achronix Speedster7t | AMD Virtex UltraScale+ HBM |
| LUTs as published | 326,000 LUT6 | 440,000 LUT6 |
| LUT type | 6-input look-up table, fracturable into two LUT5 with shared inputs | 6-input look-up table, fracturable into two LUT5 with shared inputs |
| LUT4 equivalent (approx.) | ≈521,600 | ≈704,000 |
| CoreScore (SERV cores) | — | — |
| Vendor logic figure | 730,000 LC | 962,000 SLC |
| DSP | 864 MLPs | 2,880 DSP slices |
| Block RAM | 82.9 Mb | 23.6 Mb |
| Large RAM | — | 90 Mb |
| Max. user I/O | — | 208 |
| Transceivers | 24 × SerDes 112 Gb/s | 32 × GTY 32.75 Gb/s |
| Hard PCI Express | Gen5 x16 | Gen3 x16 |
| Hard processor | None | None |
| Process | 7 nm | 16 nm |
| Configuration memory | SRAM | SRAM |
| Packages | 0 | 0 |
| Design tool | Achronix Tool Suite | AMD Vivado |
Highlighted values are higher. LUT counts are shown as published; the LUT4 equivalent is an approximation to compare different LUT types, see how FPGA vendors count logic. Add up to two more devices to this comparison.
Key differences
The XCVU31P has about 35% more logic capacity (704K vs 522K LUT4 equivalents).
For arithmetic, the XCVU31P has 2,880 DSP slices against 864 MLPs on the AC7t800.
The XCVU31P has more on-chip memory (113.6 Mb vs 82.9 Mb).
Both have transceivers: 24 at up to 112 Gb/s on the AC7t800 and 32 at up to 32.75 Gb/s on the XCVU31P.
The AC7t800 is designed with Achronix Tool Suite and the XCVU31P with AMD Vivado.
Full specifications
See the complete spec sheets with packages and grades: AC7t800 (Speedster7t) and XCVU31P (Virtex UltraScale+ HBM).