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Intel Xeon 6960P vs Intel Xeon E-2456: Comparison
Intel Xeon 6960P and Intel Xeon E-2456 separate most on l3 cache: Intel Xeon 6960P at 144, Intel Xeon E-2456 at 18, 88% in favour of Intel Xeon 6960P. Memory Channels splits them by another 83%, again favouring Intel Xeon 6960P. They match on 9 other specifications, including market segment, socket status and efficiency cores. In SPECrate® 2017 Integer (base), 1-chip the Intel Xeon 6960P scores 838 against 79.8 for the Intel Xeon E-2456, a lead of 90%.
Specs
| Specification |  | |
|---|---|---|
| Form Factor | Server & Enthusiast | Desktop |
| Model Number | 6960P | E-2456 |
| Codename | Granite Rapids | Raptor Lake-E |
| Release Year | 2024 | 2023 |
| TDP | 345 W | 65 W |
| Market Segment | Server | Server |
| Socket | Other | LGA1700 |
| Socket Status | Current | Current |
| Process Node | 3 | 10 |
| Performance Cores | 72 | 6 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | Yes | Yes |
| P-Core Base Clock | 2.7 | 3.3 |
| P-Core Boost Clock | 4.1 | 5.1 |
| L3 Cache | 144 | 18-87% |
| Base Power | 345 | 80 |
| Memory Type | DDR5 | DDR5 |
| Memory Channels | 12 | 2-83% |
| Max Memory Capacity | 1536 | 128 |
| ECC Support | Yes | Yes |
| Integrated Graphics | No | No |
| Copilot Plus Certified | No | No |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Cores | 72 | 6 |
| Threads | 144 | 12 |
Benchmarks
Measured results, not specifications. Percentages are the gap to the leading product in each test.
SPECrate® 2017 Integer (base), 1-chip
Best published 1-chip result on spec.org, retrieved 23 Sept 2026.
SPECrate 2017 Integer runs ten integer workloads, including a compiler, file compression, a chess engine and route planning, with one copy per hardware thread. The score is throughput against a fixed reference machine, so it reflects multi-core server and workstation work rather than gaming. Each figure is the best result a hardware vendor published on spec.org for a one-chip system, so the server, memory and compiler behind each chip differ.
SPECrate® 2017 Floating Point (base), 1-chip
Best published 1-chip result on spec.org, retrieved 23 Sept 2026.
SPECrate 2017 Floating Point runs thirteen scientific and engineering workloads, including weather and climate models, fluid dynamics, molecular dynamics and ray tracing, with one copy per hardware thread. It rewards core count, vector units and memory bandwidth, which is why server chips with many memory channels lead it. Each figure is the best result a hardware vendor published on spec.org for a one-chip system, so the server, memory and compiler behind each chip differ.
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.
Verdict
Intel Xeon 6960P
9.3 / 10 Expert Rating
The Intel Xeon 6960P is the clock-speed leader of Intel's LGA 7529 flagship trio, for the largest deployments that are also latency-sensitive.
Intel Xeon E-2456
7.8 / 10 Expert Rating
The Intel Xeon E-2456 is a capable single-socket entry server chip, best for small deployments rather than heavy multi-socket workloads.