CPU Comparison
Intel Xeon 6781P vs Intel Xeon 6787P
A side-by-side comparison of specs, performance and value. The Intel Xeon 6781P is an 80-core, 160-thread server and workstation processor based on Intel’s Granite Rapids-SP architecture, built on the Intel 3 process and targeting high-core-count, AI-accelerated workloads in single-socket platforms.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Intel AMX (Advanced Matrix Extensions) accelerates INT8 and BF16 matrix operations.
- Good for CPU-based inference and training where GPUs are not available.
- For large-scale training, GPUs or dedicated accelerators still dominate.
- AMX and DL Boost accelerate CPU‑side inference and low‑precision math
- Best used as a complement to dedicated AI accelerators rather than a replacement
Content Creation
Gaming
- No integrated graphics; requires a discrete GPU.
- Optimized for server and AI workloads, not gaming clock rates or latency.
- Gamers should choose mainstream desktop or workstation CPUs instead.
- Server-focused SKU with no integrated graphics
- Can be paired with GPUs for GPU‑limited workloads, but client CPUs or specialized GPUs are better for pure gaming
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 80 cores and 160 threads for highly parallel workloads.
- 8-channel DDR5/MRDIMM with up to 4 TB memory capacity.
- 136 PCIe 5.0 lanes for GPUs, NVMe, and CXL devices.
- Intel AMX, QAT, DLB, DSA, IAA accelerators for AI and I/O.
- Strong single-socket performance for virtualization and databases.
- CXL 2.0 support on the Xeon 6 platform for memory expansion.
Cons
- High 350 W TDP and demanding power/cooling requirements.
- Premium pricing; overkill for SMB or light server workloads.
- No integrated graphics; not suitable for basic desktop use.
- Locked multiplier; no enthusiast overclocking.
- Platform is new and may have early BIOS/firmware maturity considerations.
Pros
- 86 cores and 172 threads for massive parallelism
- 8‑channel DDR5/MRDIMM with high bandwidth and capacity
- 88 PCIe 5.0 lanes and CXL 2.0 for I/O‑heavy servers
- Integrated QAT, DLB, DSA, IAA, AMX accelerators
- Intel 3 process and Redwood Cove IPC gains vs prior Xeons
Cons
- 350 W TDP requires robust cooling and power
- High platform cost (CPU + DDR5/MRDIMM + platform)
- Overkill for small business or light workloads
- No integrated graphics and limited client‑use ecosystem
- New platform; early BIOS/firmware maturity considerations
Competitors & Alternatives
Intel Xeon 6781P
- AMD EPYC 9565Rival
High-core-count server
- AMD EPYC 9255Rival
Mid-range server / cloud
- Compare head-to-headIntel Xeon 6980PRival
High-end dual-socket Granite Rapids-SP
- Compare head-to-headIntel Xeon 6780ERival
High-density E-core (Sierra Forest)
- Intel Xeon w9-3495XRival
Previous-gen HEDT/workstation
Intel Xeon 6787P
- AMD EPYC 9754 (Bergamo, 128 cores, 256 threads)Rival
Cloud‑optimized / High‑density server
- AMD EPYC 9005 series (Turin, up to 192 Zen 5 cores)Rival
High‑end server / AI / HPC
- Intel Xeon 6980P (128 cores, Granite Rapids‑AP)Rival
High‑core‑count server / HPC
- Intel Xeon 6780E (144 E‑cores, Sierra Forest)Rival
Scale‑out / Cloud‑native
- Intel Xeon Platinum 8592+ (5th Gen, 64 cores)Rival
Previous‑gen enterprise server
Fewer cores (64) but similar platform and lower price if 86 cores are not required.
Compare head-to-headHigher core count (128) for workloads that can leverage more threads in a single socket.
Compare head-to-head- AMD EPYC 9754Alt
Higher core density (128 Zen 4c cores) for cloud‑native workloads where TCO matters more than per‑core performance.
- AMD EPYC 9005 seriesAlt
Latest Zen 5/5c cores with higher IPC and core counts, strong alternative for new server deployments.
- Intel Xeon Platinum 8592+Alt
Lower‑cost 5th‑gen option with good performance if Granite Rapids features are not required.
Our Verdict on Each
A very strong single-socket server CPU with excellent core count, memory bandwidth, and integrated AI accelerators, best suited for AI, virtualization, and data-center workloads where its 350 W TDP and platform cost are justified.
Best for: Single-socket servers and workstations for AI inference, virtualization, in-memory databases, or HPC where you need many cores, high memory bandwidth, and strong AI acceleration without going dual-socket.
Read the full reviewAn extremely powerful dual-socket server CPU with huge core counts, strong per-thread performance, and rich integrated acceleration, best suited for new data center builds where its platform cost and power can be justified.
Best for: New dual‑socket server builds for VM‑heavy, database, HPC, or AI inference where 86 cores and 8‑channel memory can be fully utilized.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Xeon 6781P or Intel Xeon 6787P?
For gaming, the Intel Xeon 6787P leads with a gaming performance score of 50/100 among Intel Xeon 6781P and Intel Xeon 6787P.
Do Intel Xeon 6781P and Intel Xeon 6787P use the same socket?
Yes — all of these CPUs use the FCLGA4710 socket, so they share compatible motherboards.
Which has more cores?
The Intel Xeon 6787P has the most cores. Core counts: Intel Xeon 6781P (80 cores), Intel Xeon 6787P (86 cores).