IntelServer CPU · 4th Gen Xeon Scalable
Xeon Platinum 8458P
Intel Xeon Platinum 8458P is a Sapphire Rapids server processor with 44/88 cores/threads. Its best published SPEC CPU 2017 result works out to 424 SPECrate2017_int_base per socket.
Specifications
SPEC disclosure + Wikipedia| Architecture | Sapphire Rapids |
|---|---|
| Process | Intel 7 |
| Cores / threads | 44/88 |
| Base clock | 2.7 GHz |
| Max boost | 3.8 GHz |
| L3 cache | 82.5 MB |
| TDP | 350 W |
| Socket | LGA 4677 |
| Max sockets | 2S |
| Memory | 8-ch DDR5 |
| System availability | Feb 2023 Median hardware availability date of the published SPEC results |
SPEC CPU 2017 result
Best of 26 published| SPECrate®2017_int_base per socket | 424 Derived by HardwareLadder: system result ÷ chips. Not an official SPEC metric. |
|---|---|
| SPECrate®2017_int_base (system) | 848 |
| Chips in tested system | 2 |
| Tested system | xFusion — FusionServer 1288H V7 (Intel Xeon Platinum 8458P) |
| Published | Jul 2023 |
| Published results for this CPU | 26 |
Full result disclosure on spec.org. SPEC®, SPECrate®, and SPEC CPU® are registered trademarks of the Standard Performance Evaluation Corporation. Result retrieved from www.spec.org on 2026-09-23.