Quick Verdict
A strong, frequency-focused 24-core SKU in the Xeon 6 family with a generous 144 MB L3 cache, hardware accelerators (AMX, QAT, DSA, IAA, DLB), and 88 PCIe Gen5 lanes. It suits dual-socket servers where per-core speed and I/O bandwidth matter more than maximizing core count.
Overview
Launch
2025
Status
LaunchedGeneration
6th Gen Xeon Scalable (Granite Rapids-SP, 6700/6500 series)
Market
Data Center / Enterprise Server
The Intel Xeon 6527P is a 24-core, 48-thread server processor built on the Granite Rapids-SP architecture with Intel 3 process, eight-channel DDR5-6400 support, 88 PCIe 5.0 lanes, and a 255 W TDP, targeting dual-socket data center platforms.
The Intel Xeon 6527P delivers 24 P-cores (48 threads) at 3.0 GHz base and up to 4.2 GHz all-core turbo on Intel 3, with 144 MB L3 cache.
It supports up to 4 TB DDR5-6400 across eight channels, 88 PCIe 5.0 lanes, and includes accelerators such as AMX, QAT, DSA, IAA, and DLB to offload AI inference and data movement, making it well suited for enterprise workloads that mix compute and I/O.
Specifications
Performance
Delivers strong multi-threaded throughput for server workloads; real-world scores depend on software stack and configuration.
24 cores, 48 threads, VT-x/VT-d, and 88 PCIe 5.0 lanes provide excellent isolation and I/O passthrough potential.
Not designed or marketed for gaming; lack of iGPU and server platform make it a poor fit for gaming use cases.
255 W TDP for 24 cores at 3.0/4.2 GHz is in line with Granite Rapids-SP power envelopes; efficiency must be evaluated with real-world power measurements at target workloads.
- •Server-class part without integrated graphics.
- •Platform and socket are not designed for consumer gaming motherboards.
- •Clocks are competitive, but gaming is not a target use case.
- •Intel AMX enables faster matrix operations for CPU-based inference.
- •DL Boost further enhances INT8/BF16 workloads on CPU.
- •For large-scale training, GPU/accelerator offload is still typical.
Architecture
Intel 3
Process Node
Granite Rapids-SP
Codename
24C / 48T
Core Config
144 MB
L3 Cache
255 W
TDP
Architecture Overview
Granite Rapids-SP is Intel’s 6th-generation Xeon Scalable server architecture (Xeon 6) built on the Intel 3 process. The 6527P is a 2S-optimized 24-core P-core SKU with a 144 MB shared L3 cache, eight DDR5 memory controllers at 6400 MT/s, and 88 PCIe 5.0 lanes per CPU. Intel pairs this with four UPI links at 24 GT/s for dual-socket glue and equips each core with AVX-512 and two FMA units, plus AMX tiles for AI workloads.
CPU Design
24 P-cores with Hyper-Threading. The design uses high-priority and low-priority core clusters (8 and 16 cores, respectively) and Speed Select Technology to bias frequency or efficiency for specific profiles. AVX-512 with two FMA units and AMX are included for compute-heavy workloads.
Memory Subsystem
Eight-channel DDR5-6400 provides 204.8 GB/s peak theoretical bandwidth per socket, key for bandwidth-sensitive server applications. Intel also supports MRDIMMs at higher data rates on the Xeon 6 platform, though ARK lists 6400 MT/s as the specified speed for the 6527P.
PCIe & I/O
88 PCIe 5.0 lanes per CPU, with the Xeon 6700/6500 platform offering a mode that trades UPI links for additional PCIe Gen5 lanes in single-socket configurations. This enables dense NVMe and NIC attach without PCIe switches.
Overclocking
The 6527P does not feature an unlocked multiplier. Frequency tuning is managed via Intel Speed Select Technology (SST) profiles within vendor-defined limits.
- Process: Intel 3 vs Intel 7.
- Core count: 24 vs 16 cores.
- Cache: 144 MB vs 37.5 MB L3.
- Memory channels: 8 vs 8, with 6400 MT/s support.
- PCIe 5.0 (88 lanes) vs PCIe 5.0 (80 lanes) and updated accelerators (AMX, DSA, IAA, DLB, QAT).
Key Highlights
- High 4.2 GHz all-core turbo for a 24-core server CPU.
- 144 MB L3 cache improves working-set performance for databases and analytics.
- Eight-channel DDR5-6400 delivers strong memory bandwidth.
- 88 PCIe 5.0 lanes per CPU, with flexibility to trade UPI for PCIe in 1S designs.
- Comprehensive accelerator suite (AMX, QAT, DSA, IAA, DLB) for AI and data-path offload.
- Robust security features (TDX, TME-MK, SGX, Boot Guard).
- No integrated graphics; requires a discrete GPU or IPMI for headless management.
- 255 W TDP demands capable cooling and power delivery in 1U/2U racks.
- Xeon 6 platform lock-in; not compatible with older LGA4677 boards.
- Overclocking is not supported (multiplier locked).
- Vendor-specific firmware and tooling are needed to fully exploit SST and accelerators.
History
The Xeon 6527P emerged as part of Intel’s Granite Rapids-SP rollout for the Xeon 6 family, delivering P-core performance and a broader accelerator set compared to the prior Emerald Rapids generation. Intel’s 6th-gen Scalable line splits into efficiency-focused Sierra Forest (E-cores) and performance-focused Granite Rapids (P-cores), with the 6527P targeting dual-socket deployments that benefit from high per-core clocks and large L3 caches. This generation also emphasizes single-socket richness for storage and edge workloads, while still offering traditional 2S scale for enterprise databases and virtualization.
</br></br>Intel’s decision to increase PCIe Gen5 lane counts and embed accelerators like AMX, QAT, DSA, IAA, and DLB directly into Granite Rapids-SP reflects the growing need for CPU-centric AI inference and data-path offload in cloud and enterprise environments. The 6527P, with its 24 cores at 3.0/4.
2 GHz and 144 MB L3, is positioned as a frequency-optimized workhorse within the 6500P segment, complementing higher-core-count 6700P and 6900P SKUs.
Improvements over Previous Generation
- Process: Intel 3 vs Intel 7.
- Core count: 24 vs 16 cores.
- Cache: 144 MB vs 37.5 MB L3.
- Memory channels: 8 vs 8, with 6400 MT/s support.
- PCIe 5.0 (88 lanes) vs PCIe 5.0 (80 lanes) and updated accelerators (AMX, DSA, IAA, DLB, QAT).
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
Dual-socket servers where per-thread speed, large L3, and rich I/O matter — for example database, virtualization, and edge compute nodes that benefit from AMX/QAT/DSA. Choose the 6527P when you want higher clocks than the 6520P and can accommodate the 255 W TDP.
Avoid if…
- You need a single-socket-only SKU (the 6521P is the 1S variant).
- Power budget is tight and lower-TDP 24-core options suffice.
- You want consumer gaming or desktop workstation features (e.g., overclocking, integrated graphics).
Use Cases
Interesting Facts
Part of the 6th-gen Xeon Scalable 'Granite Rapids-SP' family built on Intel 3.
Uses a two-cluster design: eight high-priority cores at 3.1 GHz and 16 low-priority cores at 2.9 GHz, with 4.2 GHz all-core turbo across 24 cores.
Provides four instances each of QAT, DSA, IAA, and DLB accelerators by default.
Supports Intel TDX and TME-MK with up to 2,048 total encryption keys and 512 GB SGX EPC per CPU.
Dual-socket capable with four UPI links at 24 GT/s per CPU for inter-socket bandwidth.
Intel 3 process enables high frequency and density while keeping the 144 MB L3 cache on-die.
Listed with a recommended customer price of $3,223 on Intel ARK.
Marketing status is 'Launched' with Q1'25 availability per ARK.
The 6527P is the 2S-optimized variant; the 6521P is its 1S sibling with 0 UPI links.
Platform supports Intel Volume Management Device (VMD) for NVMe management and hotplug.
People Also Ask
What socket does the Intel Xeon 6527P use?
FCLGA4710.
Does the Xeon 6527P support DDR5?
Yes. It supports DDR5-6400 MT/s across eight memory channels, up to 4 TB per socket.
How many PCIe lanes does the Intel Xeon 6527P have?
Up to 88 PCIe 5.0 lanes per CPU; the Xeon 6 platform can trade UPI links for additional PCIe lanes in 1S configs.
Is the Intel Xeon 6527P multiplier unlocked for overclocking?
No. It is multiplier locked; tuning is done through Intel Speed Select Technology profiles.
What is the TDP of the Intel Xeon 6527P?
255 W, as listed on Intel ARK.
Does the Xeon 6527P have integrated graphics?
No. Server platforms generally require a discrete GPU or rely on IPMI/BMC for management.
What accelerators are built into the Xeon 6527P?
AMX, DL Boost, QAT, DSA, IAA, and DLB, among others.
Can I use the Xeon 6527P in a single-socket server?
Yes, though the 6521P is specifically optimized for single-socket use; the 6527P is 2S-optimized with 6 UPI links enabled.
What security features does the Xeon 6527P support?
Intel TDX, TME-MK (2,048 keys), SGX (512 GB EPC), Boot Guard, CET, and AES-NI.
Is the Intel Xeon 6527P compatible with LGA4677 motherboards?
No. It uses FCLGA4710 and requires Xeon 6700/6500-series server platforms.
Frequently Asked Questions
What is the Intel Xeon 6527P?
A 24-core, 48-thread server processor in the Xeon 6 family (Granite Rapids-SP), built on Intel 3 with eight-channel DDR5-6400 and 88 PCIe 5.0 lanes.
What is the base and boost clock of the Xeon 6527P?
3.0 GHz base and up to 4.2 GHz all-core turbo.
How much L3 cache does the Xeon 6527P have?
144 MB of Intel Smart Cache.
What is the maximum memory capacity per socket?
Up to 4 TB (dependent on memory type).
Does the 6527P support dual-socket configurations?
Yes. It is a 2S-optimized SKU with up to four UPI links at 24 GT/s.
What is Intel AMX, and does the 6527P support it?
Intel Advanced Matrix Extensions accelerate AI workloads; the 6527P supports AMX.
What is the recommended customer price for the Xeon 6527P?
$3,223 (guidance only), per Intel ARK.
Can I overclock the Xeon 6527P?
No. It is multiplier locked; frequency is managed via Intel Speed Select Technology.
Which workloads benefit most from the 6527P?
Enterprise databases, virtualization, AI inference on CPU, and I/O-heavy services that leverage the built-in accelerators.
Is the Xeon 6527P suitable for gaming?
No. It is a server processor without iGPU and is not designed for gaming use cases.