Quick Verdict
A high‑core‑count, memory‑rich server CPU with strong AI acceleration and multi‑socket scalability, best suited for data centers that can exploit its 64 cores and 8‑channel DDR5 bandwidth.
Overview
Launch
2025
Status
LaunchedGeneration
Intel Xeon 6 (6th Gen Xeon Scalable)
Market
Server / Workstation
The Intel Xeon 6768P is a 64-core, 128-thread server processor based on the Granite Rapids-SP architecture, designed for multi-socket enterprise, HPC, and AI workloads with 8-channel DDR5-6400 memory and 88 PCIe 5.0 lanes.
Intel’s Xeon 6768P packs 64 P‑cores, 128 threads, 336 MB of L3 cache, and 8‑channel DDR5‑6400 into a 330 W TDP envelope. It supports up to 4 TB of DDR5 memory, 88 PCIe 5.0 lanes, and 4‑socket / 8‑socket configurations via UPI 2.
0 at 24 GT/s. Built on Intel 3 compute dies with Redwood Cove cores and Intel 7 I/O dies, it targets enterprise, HPC, and AI workloads that need high core density and strong per‑socket throughput rather than single‑threaded gaming performance.
Specifications
Performance
Strong multi‑threaded throughput for server workloads; actual performance depends heavily on memory and I/O subsystem design.
Excellent for consolidating many VMs per socket thanks to high core count, large cache, and 8‑channel DDR5.
Not a target workload; single‑thread performance is modest and platform is not optimized for gaming.
330 W TDP is high; performance per watt is competitive only when the cores and memory bandwidth are fully utilized.
- •Server‑focused platform with no integrated graphics and limited value for gaming builds.
- •Single‑threaded clocks are modest compared to client‑oriented CPUs.
- •Not recommended for gaming‑centric use cases.
- •Intel AMX and AVX‑512 provide significant acceleration for matrix‑heavy AI workloads.
- •Well‑suited to CPU‑based inference and feature extraction where GPUs are not deployed.
- •Performance depends on software stack using AMX and MRDIMM/DDR5‑6400 bandwidth.
Architecture
Intel 3 (compute dies) / Intel 7 (I/O dies)
Process Node
Granite Rapids-SP
Codename
64C / 128T
Core Config
336 MB
L3 Cache
330 W
TDP
Architecture Overview
Xeon 6768P is a Granite Rapids‑SP processor with three Intel 3 compute dies and two Intel 7 I/O dies in a chiplet design, scaling to 64 P‑cores and 88 PCIe 5.0 lanes.
CPU Design
Each compute die hosts Redwood Cove P‑cores with 2 MB L2 per core and a slice of the shared 336 MB L3 cache. The 6768P exposes 64 cores across three active compute dies; 16 are designated high‑priority with a 2.5 GHz base, and 48 are low‑priority at 1.9 GHz base, configurable via Intel Speed Select Technology‑Base Frequency (SST‑BF).
Memory Subsystem
Eight DDR5‑6400 memory controllers are distributed across the compute dies, delivering up to 4 TB capacity and high aggregate bandwidth. The design supports both standard RDIMMs and MRDIMMs for bandwidth‑sensitive AI/HPC workloads.
PCIe & I/O
The I/O dies provide 88 PCIe 5.0 lanes and CXL 2.0 connectivity, with flexible lane splitting for GPUs, NVMe, and accelerators. In multi‑socket systems, UPI 2.0 links at 24 GT/s interconnect CPUs, trading off some PCIe lanes for coherent inter‑socket traffic.
Overclocking
The multiplier is locked; overclocking is not supported. Tuning focuses on power profiles and SST‑BF/SST‑PP core prioritization rather than frequency scaling.
- Move from Intel 7 to Intel 3 compute dies for higher density and efficiency.
- Redwood Cove P‑cores with AMX and enhanced AVX‑512 vs Golden Cove cores.
- 8‑channel DDR5‑6400 vs 8‑channel DDR5‑4800 on prior generation.
- Chiplet design with 3 compute dies + 2 I/O dies vs more monolithic earlier Xeons.
- Higher per‑socket core counts and larger L3 cache.
Key Highlights
- 64 cores / 128 threads for heavy multi‑threaded server workloads.
- Large 336 MB L3 cache and 8‑channel DDR5‑6400 memory subsystem.
- 88 PCIe 5.0 lanes and CXL 2.0 for accelerators and fast storage.
- UPI 2.0 24 GT/s enables 2S/4S/8S glue‑less multiprocessing.
- Intel AMX and AVX‑512 provide strong AI and HPC acceleration.
- Support for MRDIMMs for bandwidth‑sensitive AI and HPC workloads.
- High 330 W TDP and demanding cooling requirements.
- Locked multiplier with no overclocking headroom.
- Platform cost is very high; typical system cost is dominated by memory and platform.
- Single‑threaded performance is modest vs client‑focused CPUs.
- Requires deep server‑class knowledge to tune SST‑BF/SST‑PP and NUMA properly.
History
The Xeon 6768P emerged as part of Intel’s Granite Rapids‑SP rollout in 2025, representing the 6th generation of Xeon Scalable processors. With Granite Rapids, Intel split its server roadmap into P‑core‑only (Granite Rapids) and E‑core‑only (Sierra Forest) lines to address different efficiency and performance points. The 6700P series, including the 6768P, targets mainstream enterprise and cloud servers with up to 64 P‑cores per socket, 8‑channel DDR5, and 88 PCIe 5.
0 lanes. It uses a chiplet design with Intel 3 compute dies and Intel 7 I/O dies, a significant shift from earlier monolithic Xeons, enabling better scalability and yield. The 6768P sits high in the 6700P stack, designed for multi‑socket scale‑up servers where high per‑socket core count and memory bandwidth are critical.
Improvements over Previous Generation
- Move from Intel 7 to Intel 3 compute dies for higher density and efficiency.
- Redwood Cove P‑cores with AMX and enhanced AVX‑512 vs Golden Cove cores.
- 8‑channel DDR5‑6400 vs 8‑channel DDR5‑4800 on prior generation.
- Chiplet design with 3 compute dies + 2 I/O dies vs more monolithic earlier Xeons.
- Higher per‑socket core counts and larger L3 cache.
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
New or refreshed multi‑socket servers for HPC, AI inference, or large‑scale virtualization where 64 cores and 8‑channel DDR5 are fully utilized.
Avoid if…
- You are building a single‑socket gaming or light‑workstation PC.
- Your workloads are lightly threaded and benefit more from high single‑core clocks.
- Power and cooling constraints are tight.
- You cannot exploit the high core count and memory bandwidth.
Use Cases
Interesting Facts
Granite Rapids‑SP is Intel’s first Xeon 6 P‑core‑only server line, distinct from the E‑core‑only Sierra Forest series.
The 6768P uses a three‑compute‑die, two‑I/O‑die chiplet strategy on Intel 3/7 processes, unlike earlier monolithic Xeons.
Intel Speed Select Technology‑Base Frequency (SST‑BF) splits the 64 cores into 16 high‑priority and 48 low‑priority cores with different base frequencies.
SPEC CPU2017 results published by OEMs show 4‑socket Xeon 6768P systems with 256 cores (4 × 64) and 2 TB memory, highlighting its scale‑up focus.
The 6700P series trades some UPI links for additional PCIe 5.0 lanes compared to the 6900P, giving up to 88 PCIe lanes in multi‑socket configs.
Xeon 6 Granite Rapids‑SP is the first Intel server platform to support MRDIMMs, which can reach up to 8800 MT/s on some SKUs.
The 6768P’s Intel 3 compute dies and Intel 7 I/O dies reflect Intel’s hybrid process strategy across the same package.
Redwood Cove cores in Granite Rapids include a code software prefetch extension not present on earlier Intel client cores.
Intel positions Xeon 6700P as a cost‑ and power‑efficient 1–8 socket line below the flagship 6900P series.
Third‑party vendor listings commonly price the 6768P around the mid‑ten‑thousand‑dollar range per CPU, making it a very high‑ASP server part.
People Also Ask
What is the Intel Xeon 6768P?
It is a 64‑core, 128‑thread server processor from Intel’s Xeon 6 Granite Rapids‑SP family, designed for multi‑socket enterprise, HPC, and AI workloads with 8‑channel DDR5‑6400 and 88 PCIe 5.0 lanes.
How many cores does the Xeon 6768P have?
64 physical cores and 128 threads via Intel Hyper‑Threading Technology.
What socket does the Xeon 6768P use?
FCLGA4710 (also referred to as Socket 4710 in some documentation).
How much memory does the Xeon 6768P support?
Up to 4 TB of DDR5‑6400 memory across 8 channels, depending on DIMM type and configuration.
Is the Xeon 6768P good for gaming?
No. It is a server CPU with no integrated graphics and modest single‑thread performance; gaming is not its target workload.
Does the Xeon 6768P have integrated graphics?
No, it does not include an integrated GPU.
Can you overclock the Xeon 6768P?
No. The multiplier is locked; tuning is limited to power and core prioritization features like SST‑BF and SST‑PP.
What process node is the Xeon 6768P built on?
Compute dies are fabricated on Intel 3, and I/O dies on Intel 7, reflecting a chiplet approach.
How many PCIe lanes does the Xeon 6768P have?
Up to 88 PCIe 5.0 lanes, depending on platform configuration and how many UPI links are used for inter‑socket connectivity.
When was the Xeon 6768P launched?
It launched in Q1 2015, with general availability around February 2015 according to multiple vendors and Intel Ark.
Frequently Asked Questions
What are the key specifications of the Intel Xeon 6768P?
64 cores, 128 threads, 2.4 GHz base clock, up to 3.9 GHz turbo, 336 MB L3 cache, 330 W TDP, FCLGA4710 socket, 8‑channel DDR5‑6400, 88 PCIe 5.0 lanes, and UPI 2.0 at 24 GT/s.
Does the Xeon 6768P support ECC memory?
Yes, ECC DDR5 memory is supported as part of the server‑grade memory subsystem.
Can the Xeon 6768P be used in dual‑socket systems?
Yes, it supports 2‑, 4‑, and 8‑socket configurations via UPI 2.0, though some PCIe lanes are traded for UPI links in multi‑socket setups.
What accelerators are integrated into the Xeon 6768P?
Intel QuickAssist Technology (QAT), Data Streaming Accelerator (DSA), Dynamic Load Balancer (DLB), In‑Memory Analytics Accelerator (IAA), and Intel AMX for AI acceleration.
What is SST‑BF on the Xeon 6768P?
Intel Speed Select Technology‑Base Frequency (SST‑BF) allows some cores to run at a higher base frequency (high‑priority) while others run at a lower base (low‑priority) to improve responsiveness for latency‑sensitive workloads.
How does the Xeon 6768P compare to AMD EPYC 9554?
Both are 64‑core, 128‑thread server CPUs, but EPYC 9554 uses Zen 4 cores on a 5 nm process with 12 DDR5 channels and up to 128 PCIe 5.0 lanes, while Xeon 6768P offers 8 DDR5 channels and 88 PCIe 5.0 lanes with AMX and different platform features.
What cooling is required for the Xeon 6768P?
A 330 W TDP typically requires high‑end server air cooling or liquid cooling solutions designed for high‑heat‑flux Xeon sockets.
Is the Xeon 6768P suitable for small business servers?
It can be used, but it is often overkill; lower‑core 6700P/6500P or 6300 series CPUs may provide better value unless you specifically need 64 cores.
What operating systems support the Xeon 6768P?
Modern server OSes such as Windows Server 2019/2022, major Linux distributions, and VMware ESXi support Xeon 6 Granite Rapids with appropriate microcode and drivers.
Where can I find detailed benchmarks for the Xeon 6768P?
SPEC CPU2017 results from OEMs like Cisco, HPE, and Lenovo are publicly available; general benchmark databases may not yet have extensive results for this SKU.