CPU Comparison
Intel Xeon 6776P vs Intel Xeon 6776P-B Processor
A side-by-side comparison of specs, performance and value. The Intel Xeon 6776P is a 64-core, 128-thread server processor based on the Granite Rapids-SP architecture, designed for dual-socket AI, HPC, and database servers that need high core counts, large cache, and wide PCIe 5.0 connectivity.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Optimized as a host CPU for GPU‑accelerated AI systems (e.g., NVIDIA DGX B300).
- Supports Intel AMX, DL Boost, and AVX‑512 for CPU‑side AI inference.
- Best leveraged orchestrating GPUs rather than as a standalone AI accelerator.
- Intel AMX for BF16/INT8 matrix operations
- DL Boost for AVX-512-based inference
- No integrated GPU-like AI accelerator, but strong CPU-based AI for edge
Content Creation
Gaming
- Server‑focused processor with no gaming‑oriented benchmarks.
- Single‑thread boost up to 3.9 GHz is decent, but gaming is not a target use case.
- Use desktop or workstation CPUs for gaming‑centric builds.
- No integrated graphics and server-focused clocks
- Not validated for client or gaming use cases
- Single-threaded performance optimized for server workloads
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 64 cores and 128 threads for highly parallel workloads
- 336 MB L3 cache reduces memory bottlenecks
- 8‑channel DDR5/MRDIMM with up to 4 TB memory capacity
- 88 PCIe 5.0 lanes for GPUs, NICs, and NVMe
- Built‑in accelerators (QAT, DLB, DSA, IAA, AMX) for AI, networking, and analytics
- Priority Core Turbo to boost critical threads
Cons
- High 350 W TDP requires robust cooling and power delivery
- Premium pricing typical of high‑core‑count Xeon SKUs
- Locked multiplier; no overclocking headroom
- Overkill for lightly‑threaded or small‑scale workloads
- No integrated graphics; relies on discrete or BMC graphics
Pros
- 72 P-cores / 144 threads for high throughput
- 8-channel DDR5-6400 with up to 2.25 TB memory
- Integrated vRAN Boost, AMX, QAT, DLB, DSA for telco and networking
- 48 PCIe lanes (Gen5 + Gen4) from CPU
- Single-socket BGA5026 simplifies board design for edge appliances
- Strong SPEC CPU2017 & SPECpower results for its class
Cons
- High 325 W TDP requires robust cooling and power design
- Single-socket only; no dual-socket scale-out
- BGA socket is not field-upgradable
- Newer AMD EPYC 8005 series can offer better performance per watt and per dollar in some edge benchmarks
- Limited relevance for client, gaming, or traditional workstation use
Competitors & Alternatives
Intel Xeon 6776P
- AMD EPYC 9534 (64‑core, 280 W)Rival
Server / General Purpose
- AMD EPYC 9575F (64‑core, 400 W, Zen 5)Rival
Server / AI‑Optimized
- Intel Xeon 6774P (64‑core, 350 W, higher base clock)Rival
Server / AI
- Intel Xeon 6781P (80‑core, 350 W)Rival
Server / AI+HPC
- AMD EPYC 9654 (96‑core, 360 W, Genoa)Rival
Server / High‑Core‑Count
Same core count and cache with higher base clock (2.5 GHz), better if you need slightly higher frequency at similar TDP.
Compare head-to-head36‑core, 205 W alternative with lower cost and power when you don’t need 64 cores.
Compare head-to-head- AMD EPYC 9534Alt
64‑core, 280 W competitor with 12 memory channels and 128 PCIe 5.0 lanes, offering different memory/I/O trade‑offs.
- AMD EPYC 9575FAlt
Higher‑frequency Zen 5 64‑core CPU at 400 W, aimed at GPU‑heavy AI servers where clock speed matters.
80‑core SKU with more performance headroom for extremely parallel workloads, at similar platform cost.
Compare head-to-head
Intel Xeon 6776P-B Processor
- AMD EPYC 8635P (84-core, Zen 5)Rival
Edge / Telecom
- AMD EPYC 8534P (64-core, Zen 4)Rival
Edge / Telecom
- NVIDIA Grace CPU Superchip (Neoverse N2, 72+72 cores)Rival
Edge / Cloud
- Intel Xeon 6774P (64-core, Granite Rapids-SP, LGA4710)Rival
General Server
- Intel Xeon 6787P (86-core, Granite Rapids-SP, LGA4710)Rival
General Server
- AMD EPYC 8635PAlt
Higher core count (84 vs 72), lower TDP (225 W), and better performance per watt and per dollar in some SPEC benchmarks; strong alternative for vRAN and edge.
- Intel Xeon 6776P (LGA4710)Alt
Same core count and similar clocks but in an LGA socket for dual-socket servers; choose if you need 2S configurations or standard board upgradeability.
- Intel Xeon 6768P-B (64-core, Granite Rapids-D)Alt
Lower core count and slightly lower TDP in the same BGA5026 platform; better fit when 72 cores are overkill.
- Intel Xeon 6774P (LGA4710)Alt
64-core Granite Rapids-SP part with higher all-core turbo and 2S support; good if you prefer a socketed platform and can accept fewer cores.
- NVIDIA Grace CPU SuperchipAlt
Non-x86 but very high core count and memory bandwidth; attractive for greenfield edge/AI stacks that can adopt Arm software.
Our Verdict on Each
A high‑core‑count, cache‑rich server CPU tailored for GPU‑accelerated AI and HPC platforms, offering excellent memory bandwidth and I/O, but with a 350 W TDP and premium pricing that makes sense primarily in dense multi‑GPU servers where its features are fully utilized.
Best for: Dual‑socket AI or HPC servers with multiple high‑end GPUs where you need 64 cores, large cache, and maximum PCIe 5.0 lanes for I/O density.
Read the full reviewA powerful, highly integrated edge SoC with strong multi-threaded throughput and purpose-built accelerators for telco and networking, but its high TDP and single-socket focus limit deployment flexibility compared to newer or more efficient alternatives.
Best for: Building single-socket edge servers for 5G vRAN, RAN, or network appliances where you want Intel x86 with integrated accelerators and high core density.
Read the full reviewFrequently Asked Questions
Which is better, Intel Xeon 6776P or Intel Xeon 6776P-B Processor?
Based on our editorial ratings, the Intel Xeon 6776P comes out ahead with a score of 8.7/10. 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 6776P or Intel Xeon 6776P-B Processor?
For gaming, the Intel Xeon 6776P-B Processor leads with a gaming performance score of 20/100 among Intel Xeon 6776P and Intel Xeon 6776P-B Processor.
Which uses less power?
The Intel Xeon 6776P-B Processor has the lowest rated TDP. Power draw across these chips: Intel Xeon 6776P (350 W), Intel Xeon 6776P-B Processor (325 W).
Do Intel Xeon 6776P and Intel Xeon 6776P-B Processor use the same socket?
No. They use different sockets (Intel Xeon 6776P: FCLGA4710, Intel Xeon 6776P-B Processor: FCBGA5026), so each needs a compatible motherboard.
Which has more cores?
The Intel Xeon 6776P-B Processor has the most cores. Core counts: Intel Xeon 6776P (64 cores), Intel Xeon 6776P-B Processor (72 cores).