CPU Comparison
Intel Xeon 6511P vs Intel Xeon 6731P
A side-by-side comparison of specs, performance and value. The Intel Xeon 6511P is a 16‑core, 32‑thread Granite Rapids‑SP server processor built on Intel’s 3 process, offering 72MB of L3 cache, 8‑channel DDR5‑6400 memory, and 136 PCIe 5.0 lanes for dual‑socket or single‑socket enterprise and HPC platforms.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Intel AMX and DL Boost provide built‑in INT8/BF16 acceleration for inference workloads.
- Adequate for CPU‑based LLM inference and prototyping; large‑scale training still requires GPUs.
- Better suited as an AI host CPU (managing GPUs) than as a standalone AI accelerator for big models.
- AMX and AVX-512 provide strong CPU-based AI inference and small-batch training
- Not a replacement for dedicated GPUs or accelerators for large models
- Well-suited for edge inference, analytics, and MLPerf inference workloads
Content Creation
Gaming
- High single‑core turbo (4.2 GHz) benefits lightly threaded game engines.
- 136 PCIe 5.0 lanes allow multiple high‑end GPUs, but this is overkill for most gaming.
- Lack of integrated graphics and server‑tuned memory latencies keep it behind gaming‑optimized desktop CPUs.
- Server-focused SKU without official gaming benchmarks
- Single-threaded performance is strong, but gaming is not a target workload
- Use desktop or consumer HEDT CPUs for gaming-focused builds
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 16 P‑cores with strong per‑core performance and 32 threads.
- 8‑channel DDR5‑6400 with up to 4TB capacity.
- 136 PCIe 5.0 lanes for GPUs, NVMe, and CXL accelerators.
- Intel AMX and DL Boost for AI inference workloads.
- Intel 3 compute die improves performance per watt over prior generations.
- Good balance of compute, memory, and I/O for mid‑range servers.
Cons
- Higher platform cost than older Xeon Scalable generations.
- No integrated graphics; a discrete GPU or BMC is required for display.
- Locked multiplier prevents traditional overclocking.
- Core count tops out at 16; higher‑core SKUs (e.g., 6900P) exist for heavily threaded workloads.
- TDP is modest for the feature set, but dense deployments must still plan for cooling and power.
Pros
- 32 P-cores with strong per-core performance and AVX-512/AMX
- 136 PCIe 5.0 lanes for dense NVMe/GPU configurations
- 8-channel DDR5-6400 with up to 4 TB capacity
- Integrated QAT/DLB/DSA/IAA accelerators for storage, networking, and analytics
- 1S platform reduces board and licensing complexity
Cons
- 245 W TDP requires robust cooling and power delivery
- 1S-only; no multi-socket upgrade path
- Not on the densest process node; some EPYC competitors are more power-efficient per core
- No integrated graphics (typical for server CPUs)
- Platform cost is high compared to mainstream desktop parts
Competitors & Alternatives
Intel Xeon 6511P
- AMD EPYC 9115Rival
Server
- Intel Xeon Gold 6526YRival
Server
- Intel Xeon Gold 6542YRival
Server
- AMD EPYC 9124Rival
Server
- Compare head-to-headIntel Xeon w5‑3525Rival
Workstation
- Intel Xeon 6700P SeriesAlt
Higher core counts (up to 86) and more PCIe lanes if you need more than 16 cores per socket.
- AMD EPYC 9355PAlt
32‑core Zen 5 server CPU with strong AI and HPC performance if you can use more cores.
Intel Xeon 6731P
- AMD EPYC 9355 (32-core, 2S)Rival
2S Server / HPC
- AMD EPYC 9455 (48-core, 2S)Rival
2S Server / AI
- Intel Xeon 6741P (48-core, 1S)Rival
1S Server / Workstation
- Intel Xeon 6737P (32-core, higher clocks)Rival
1S Server / Workstation
- Intel Xeon 6787P (86-core, 1S/8S)Rival
High-core-count 1S/8S
48 cores and 288 MB L3 for workloads that can use more threads, same platform and feature set.
Compare head-to-head- AMD EPYC 9355Alt
32-core EPYC with strong FP performance and 12-channel DDR5; good for 2S configurations.
- AMD EPYC 9455Alt
96 cores (2S) with high SPEC CPU2017 scores; better for heavily parallel workloads.
Similar core count with slightly higher clocks for workloads sensitive to frequency.
Compare head-to-headWhen you need many more cores and can accept higher power and cost.
Compare head-to-head
Our Verdict on Each
A well‑balanced 16‑core Granite Rapids server CPU with strong memory bandwidth, rich accelerator support, and competitive AI inference for mid‑range data center and workstation duty.
Best for: Mid‑range dual‑socket or dense single‑socket servers needing high memory bandwidth, many PCIe 5.0 lanes, and built‑in AI acceleration for inference and HPC workloads.
Read the full reviewA well-balanced 32-core Granite Rapids-SP CPU that shines in 1S servers and workstations needing strong per-core performance, massive I/O, and built-in acceleration, though power efficiency lags newer process nodes.
Best for: Single-socket servers, storage appliances, and workstations needing high PCIe lane count and DDR5 bandwidth with moderate core count.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Xeon 6511P or Intel Xeon 6731P?
For gaming, the Intel Xeon 6511P leads with a gaming performance score of 72/100 among Intel Xeon 6511P and Intel Xeon 6731P.
Which uses less power?
The Intel Xeon 6511P has the lowest rated TDP. Power draw across these chips: Intel Xeon 6511P (150 W), Intel Xeon 6731P (245 W).
Do Intel Xeon 6511P and Intel Xeon 6731P use the same socket?
Yes — all of these CPUs use the FCLGA4710 (LGA4710) socket, so they share compatible motherboards.
Which has more cores?
The Intel Xeon 6731P has the most cores. Core counts: Intel Xeon 6511P (16 cores), Intel Xeon 6731P (32 cores).
Which is faster in multi-core benchmarks?
The Intel Xeon 6511P posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 6511P (45,687). Benchmark figures are approximate and workload-dependent.