CPU Comparison
Intel Xeon 6774P vs Intel Xeon 6978P
A side-by-side comparison of specs, performance and value. The Intel Xeon 6774P is a 64-core, 128-thread server processor based on the Granite Rapids-SP P-core architecture, targeting single-socket AI, HPC, and data‑center platforms with 8-channel DDR5/MRDIMM support and 136 PCIe 5.0 lanes.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Intel AMX provides dedicated INT8/BF16/FP16 matrix acceleration per core.
- Well‑suited to CPU‑based inference for LLMs, vision transformers, and recommendation models.
- Best when paired with GPUs for large‑scale training, but can handle moderate inference workloads alone.
- Supports Intel AMX, DL Boost, and AVX‑512 for CPU‑based AI inference
- No integrated AI accelerator beyond CPU instructions
- Best used as a host CPU for discrete AI accelerators
Content Creation
Gaming
- Not designed for gaming; low single‑thread optimization vs desktop CPUs.
- High latency mesh and server‑tuned memory timings hurt game responsiveness.
- Only consider if server is also used for light gaming on the side.
- No integrated graphics
- Server platform, not validated for gaming
- Client‑side gaming not a target use case
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 64 P‑cores with AMX for strong AI and HPC performance.
- 136 PCIe 5.0 lanes in single‑socket R1S mode for GPU and NVMe expansion.
- 8‑channel DDR5/MRDIMM with up to 8800 MT/s speed and 4 TB capacity.
- Large 336 MB L3 cache and 128 MB L2 cache reduce memory bottlenecks.
- Rich set of integrated accelerators (QAT, DLB, DSA, IAA) and RAS features.
- Well‑suited to single‑NUMA‑domain designs, reducing software complexity.
Cons
- High 350 W TDP requires robust cooling and power delivery.
- Premium price point (Intel RCP ~$7,571) limits use to high‑end deployments.
- Locked multiplier and server‑oriented turbo behavior limit enthusiast tuning.
- No integrated graphics; not suitable for headless workstation or desktop use.
- Platform and motherboard ecosystem is still maturing compared to older Xeon generations.
Pros
- Very high core count (120 cores / 240 threads)
- 12 memory channels with DDR5 and MRDIMM support
- 96 PCIe 5.0 lanes for I/O‑heavy server designs
- Intel 3 process improves density and efficiency
- Strong platform for in‑memory databases and virtualization
Cons
- 500 W TDP requires robust cooling and power delivery
- Expensive and typically sold only through OEM channels
- Performance per core is modest compared to lower‑core Xeons
- Limited use outside large server deployments
- No integrated graphics or client‑side validation
Competitors & Alternatives
Intel Xeon 6774P
- AMD EPYC 9654Rival
High‑core‑count Server / AI
- AMD EPYC 9554Rival
Balanced Server / AI
- Compare head-to-headIntel Xeon 6781PRival
Higher‑core‑count (80‑core) Xeon 6700P
- Compare head-to-headIntel Xeon 6761PRival
Same‑core‑count Xeon 6700P sibling
- Intel Xeon w9‑3495X (Sapphire Rapids‑WS)Rival
Workstation‑class Xeon with similar I/O emphasis
- Intel Xeon w7‑2475X (Sapphire Rapids‑WS)Alt
Better fit for workstation users needing moderate core counts with integrated graphics and more desktop‑oriented platforms.
- AMD EPYC 9475FAlt
Higher‑frequency 48‑core option with strong per‑core performance and good I/O, suitable where 64 cores are underutilized.
Slightly lower base clock but similar feature set and potentially better availability in some channels.
Compare head-to-head
Intel Xeon 6978P
- AMD EPYC 9554Rival
Server (64‑core, SP5)
- AMD EPYC 9654Rival
Server (96‑core, SP5)
- Compare head-to-headIntel Xeon 6980PRival
Server (128‑core, Granite Rapids‑AP)
- Intel Xeon Platinum 8490HRival
Server (60‑core, Sapphire Rapids)
- AmpereOne A192‑32Rival
Cloud‑Native ARM Server (192‑core)
Lower core count (64) with higher per‑core frequency, better for workloads that don’t scale beyond ~64 threads.
Compare head-to-head- ARM‑based AmpereOne or Graviton3Alt
Cloud‑native ARM alternatives for scale‑out workloads where software is optimized for ARM and power efficiency is critical.
Our Verdict on Each
A high‑core‑count, I/O‑rich server CPU ideal for single‑socket AI and HPC systems, though its 350 W TDP and premium price demand careful platform and cooling design.
Best for: Single‑socket AI factories, HPC servers, and in‑memory database appliances that can leverage 136 PCIe 5.0 lanes and 8‑channel DDR5/MRDIMM bandwidth.
Read the full reviewAn extremely capable dual‑socket server CPU with best‑in‑class core count and memory bandwidth for its generation, best suited for organizations that can utilize its 120 cores and 12 memory channels rather than treating it as a general‑purpose compute node.
Best for: Dual‑socket servers running memory‑intensive, highly parallel workloads such as large in‑memory databases, virtualization, or HPC where core count and memory bandwidth are the primary bottlenecks.
Read the full reviewFrequently Asked Questions
Which is better, Intel Xeon 6774P or Intel Xeon 6978P?
Based on our editorial ratings, the Intel Xeon 6978P comes out ahead with a score of 8.8/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Xeon 6774P or Intel Xeon 6978P?
For gaming, the Intel Xeon 6774P leads with a gaming performance score of 40/100 among Intel Xeon 6774P and Intel Xeon 6978P.
Which uses less power?
The Intel Xeon 6774P has the lowest rated TDP. Power draw across these chips: Intel Xeon 6774P (350 W), Intel Xeon 6978P (500 W).
Do Intel Xeon 6774P and Intel Xeon 6978P use the same socket?
No. They use different sockets (Intel Xeon 6774P: FCLGA4710 (LGA4710), Intel Xeon 6978P: FCLGA7529), so each needs a compatible motherboard.
Which has more cores?
The Intel Xeon 6978P has the most cores. Core counts: Intel Xeon 6774P (64 cores), Intel Xeon 6978P (120 cores).
Which is faster in multi-core benchmarks?
The Intel Xeon 6978P posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 6978P (0). Benchmark figures are approximate and workload-dependent.