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AMD EPYC 8125P vs AMD EPYC 8434PN: Comparison
EPYC 8125P vs EPYC 8434PN boost clock compared
Boost clock is the dividing line, EPYC 8125P 4.5 GHz against EPYC 8434PN 3 GHz. Measured rather than claimed: in SPECrate® 2017 Integer (base), 1-chip the EPYC 8434PN returns 406 against 224, a 45% lead. There is a split on tdp as well, 125 W on the EPYC 8125P versus 155 W on the EPYC 8434PN. Memory bandwidth runs the same way, 307 GB/s on the EPYC 8125P versus 230.4 GB/s on the EPYC 8434PN, another win for EPYC 8125P. They differ on product family too, EPYC 8005 Series on the EPYC 8125P versus EPYC 8004 Series on the EPYC 8434PN. Release year is not the same on both, 2026 on the EPYC 8125P versus 2023 on the EPYC 8434PN. They differ on core count too, 16 cores on the EPYC 8125P versus 48 cores on the EPYC 8434PN. There is a split on thread count as well, 32 threads on the EPYC 8125P versus 96 threads on the EPYC 8434PN. Core architecture is not the same on both, Zen 5 on the EPYC 8125P versus Zen 4c on the EPYC 8434PN. Base clock is not the same on both, 2.65 GHz on the EPYC 8125P versus 2 GHz on the EPYC 8434PN.
EPYC 8125P vs EPYC 8434PN: which one fits your build
Buy the EPYC 8125P for datacenter and cloud compute and virtualization-dense server workloads, though it is not built for consumer desktop builds and single-threaded latency-sensitive workloads on lower core-count SKUs. The EPYC 8434PN is the one to take for datacenter and cloud compute and virtualization-dense server workloads, though it is not the pick for consumer desktop builds and single-threaded latency-sensitive workloads on lower core-count SKUs.
Where the two are identical
The common ground is wider than the gap: l3 cache, memory channels, pcie lanes, cpu socket and segment are identical here. They match on 6 further specifications as well.
Frequently asked questions
Do the EPYC 8125P and EPYC 8434PN differ on all-core boost?
Yes. All-Core Boost reads 3.8 GHz on the EPYC 8125P versus 3 GHz on the EPYC 8434PN.
Is the SMT Support the same on the EPYC 8125P and EPYC 8434PN?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD EPYC 8125P
- AMD
- AMD EPYC 8434PN
- AMD
Model Number
- AMD EPYC 8125P
- 8125P
- AMD EPYC 8434PN
- 8434PN
CPU Socket
- AMD EPYC 8125P
- SP6
- AMD EPYC 8434PN
- SP6
Product Family
- AMD EPYC 8125P
- EPYC 8005 Series
- AMD EPYC 8434PN
- EPYC 8004 Series
Release Year
- AMD EPYC 8125P
- 2026
- AMD EPYC 8434PN
- 2023
Segment
- AMD EPYC 8125P
- Data Center
- AMD EPYC 8434PN
- Data Center
Core Count
- AMD EPYC 8125P
- 16 cores
- AMD EPYC 8434PN
- 48 cores
Thread Count
- AMD EPYC 8125P
- 32 threads
- AMD EPYC 8434PN
- 96 threads
Core Architecture
- AMD EPYC 8125P
- Zen 5
- AMD EPYC 8434PN
- Zen 4c
SMT Support
- AMD EPYC 8125P
- Yes
- AMD EPYC 8434PN
- Yes
Base Clock
- AMD EPYC 8125P
- 2.65 GHz
- AMD EPYC 8434PN
- 2 GHz
Boost Clock
- AMD EPYC 8125P
- 4.5 GHz
- AMD EPYC 8434PN
- 3 GHz
All-Core Boost
- AMD EPYC 8125P
- 3.8 GHz
- AMD EPYC 8434PN
- 3 GHz
L3 Cache
- AMD EPYC 8125P
- 128 MB
- AMD EPYC 8434PN
- 128 MB
Socket
- AMD EPYC 8125P
- SP6
- AMD EPYC 8434PN
- SP6
Multi-Socket Support
- AMD EPYC 8125P
- Single Socket Only
- AMD EPYC 8434PN
- Single Socket Only
Memory Channels
- AMD EPYC 8125P
- 6 channels
- AMD EPYC 8434PN
- 6 channels
Max Memory Speed
- AMD EPYC 8125P
- 6400 MT/sBest
- AMD EPYC 8434PN
- 4800 MT/s
ECC Support
- AMD EPYC 8125P
- Yes
- AMD EPYC 8434PN
- Yes
PCIe Lanes
- AMD EPYC 8125P
- 96 lanes
- AMD EPYC 8434PN
- 96 lanes
PCIe Generation
- AMD EPYC 8125P
- PCIe 5.0
- AMD EPYC 8434PN
- PCIe 5.0
TDP
- AMD EPYC 8125P
- 125 W
- AMD EPYC 8434PN
- 155 W
AVX-512 Support
- AMD EPYC 8125P
- Yes
- AMD EPYC 8434PN
- Yes
Memory Bandwidth
- AMD EPYC 8125P
- 307 GB/sBest
- AMD EPYC 8434PN
- 230.4 GB/s-25%
PCIe
- AMD EPYC 8125P
- PCIe 5.0, 96 lanes
- AMD EPYC 8434PN
- PCIe 5.0 x96
Memory Support
- AMD EPYC 8125P
- DDR5, 6-Channel, Up to 6400 MT/s
- AMD EPYC 8434PN
- DDR5, 6-Channel, Up to 4800 MT/s
Launch Date
- AMD EPYC 8125P
- 5/19/2026
- AMD EPYC 8434PN
- 09/18/2023
Benchmarks
- General CPU
SPECrate® 2017 Integer (base), 1-chip
- AMD EPYC 8125P
- 224-45%
- AMD EPYC 8434PN
- 406Best
Best published 1-chip result on spec.org, retrieved 23 Sept 2026.
Server-style tasks like compiling and compression on every thread. Best for judging workstation and server work.
SPECrate® 2017 Floating Point (base), 1-chip
- AMD EPYC 8125P
- 277-23%
- AMD EPYC 8434PN
- 359Best
Best published 1-chip result on spec.org, retrieved 23 Sept 2026.
Scientific and engineering tasks on every thread. Rewards core count and memory bandwidth.
SPEC®, SPECrate® and SPECspeed® are registered trademarks of the Standard Performance Evaluation Corporation. Copied by permission of the Standard Performance Evaluation Corporation (SPEC). Results retrieved from www.spec.org on 23 Sept 2026.
Which one should you pick?
Choose 8125P if you want the higher L3 cache (128 MB vs 128 MB), the higher memory channels (6 channels vs 6 channels) and the higher PCIe lanes (96 lanes vs 96 lanes).
Choose 8434PN if you want the higher SPECrate® 2017 integer (base), 1-chip (406 vs 224) and the higher SPECrate® 2017 floating point (base), 1-chip (359 vs 277).