CPU Comparison
Intel Xeon 6511P vs Intel Xeon 6728P
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.
- Intel AMX accelerates INT8 and BF16 matrix operations for deep learning inference.
- Good fit for CPU-based LLM inference and small-to-medium model serving.
- AI performance per core significantly better than pre-AMX Xeon generations.
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.
- No integrated graphics; discrete GPU required.
- High platform cost makes it unattractive for gaming versus consumer CPUs.
- Adequate for casual gaming but not a target use case.
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
- 24 high-performance Redwood Cove P-cores with strong IPC.
- 144 MB L3 cache benefits latency-sensitive workloads.
- 8-channel DDR5-6400 with up to 4 TB per socket.
- 88 PCIe 5.0 lanes for GPUs, NVMe, and networking.
- AMX and on-die accelerators (QAT, DLB, DSA, IAA) for AI and data processing.
- Supports 2S/4S/8S configurations for scalable enterprise deployments.
Cons
- High platform cost and 210 W TDP require robust cooling and power delivery.
- Locked multiplier; no overclocking headroom.
- No integrated graphics; must pair with discrete GPU or BMC.
- Memory and motherboard ecosystem are more expensive than consumer platforms.
- Less core-count density than higher-end Granite Rapids or EPYC 9004 SKUs.
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 6728P
- AMD EPYC 9224 (24C/48T, Zen 4, SP5)Rival
Server / Workstation
- Intel Xeon 6521P (24C/48T, Granite Rapids-SP)Rival
Server / Workstation
- Intel Xeon 6731P (32C/64T, Granite Rapids-SP)Rival
Server / Workstation
- AMD EPYC 9124 (16C/32T, Zen 4, SP5)Rival
Server / Workstation
- Intel Xeon Platinum 8380 (40C/80T, Ice Lake-SP)Rival
Server / Workstation
Same 24C/48T Granite Rapids-SP family but lower TDP and price if you don’t need the full 210 W performance profile.
Compare head-to-head- AMD EPYC 9224Alt
24-core Zen 4 server CPU with 12-channel DDR5 and competitive performance; better if you prioritize core count or prefer AMD’s platform.
Higher 32C/64T count within the same Granite Rapids-SP platform if you need more threads and can afford the higher TDP.
Compare head-to-head- AMD EPYC 9124Alt
Lower-cost 16-core Zen 4 server CPU if your workload doesn’t require 24 cores and you want to reduce platform cost.
- Intel Xeon Platinum 8260 (used)Alt
Older 24-core Cascade Lake-SP part available on the used market at lower cost if you don’t need DDR5, PCIe 5.0, or AMX.
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 balanced Granite Rapids-SP SKU with strong per-core performance, large cache, and serious AI acceleration, best suited for memory-intensive and AI-augmented server workloads rather than cost-sensitive or purely throughput-oriented deployments.
Best for: Building or upgrading a 2S/4S server or workstation for AI inference, in-memory databases, or virtualization where 8-channel DDR5 and AMX are valuable.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Xeon 6511P or Intel Xeon 6728P?
For gaming, the Intel Xeon 6511P leads with a gaming performance score of 72/100 among Intel Xeon 6511P and Intel Xeon 6728P.
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 6728P (210 W).
Do Intel Xeon 6511P and Intel Xeon 6728P use the same socket?
No. They use different sockets (Intel Xeon 6511P: FCLGA4710 (LGA4710), Intel Xeon 6728P: FCLGA4710), so each needs a compatible motherboard.
Which has more cores?
The Intel Xeon 6728P has the most cores. Core counts: Intel Xeon 6511P (16 cores), Intel Xeon 6728P (24 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), Intel Xeon 6728P (0). Benchmark figures are approximate and workload-dependent.