CPU Comparison
Intel Xeon 656 Processor vs Intel Xeon w9-3595X
A side-by-side comparison of specs, performance and value. The Intel Xeon 656 is a 20-core, 40-thread workstation processor based on the Granite Rapids-WS architecture, built on Intel 3 and aimed at professional compute, simulation, and AI development workloads in a single-socket platform.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Intel AMX with FP16/BF16/INT8 and VNNI accelerates inference and light training on CPU.
- Not a replacement for dedicated accelerators but strong for CPU‑only AI prototyping and edge inference.
- Performance relative to Threadripper PRO and older Xeon W parts still awaits independent benchmarks.
- Intel AMX accelerates matrix operations for AI inference and training on CPU.
- Intel Deep Learning Boost (VNNI) supported.
- Lacks integrated NPU; relies on CPU and GPU acceleration.
Content Creation
Gaming
- No integrated graphics; requires discrete GPU.
- High core count and turbo frequencies are helpful, but not optimized for gaming specifically.
- Modern high‑refresh gaming is better served by client‑oriented CPUs.
- Single-core boost is competitive but many mainstream desktop CPUs match or exceed it at far lower power.
- No integrated graphics means a discrete GPU is mandatory.
- Not designed or optimized for gaming; professional workloads are the target.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 20 P‑cores / 40 threads for consistent multi‑threaded performance.
- 128 PCIe 5.0 lanes – among the highest I/O counts in a workstation CPU.
- 8‑channel DDR5‑6400 support with up to 4 TB capacity.
- Intel AMX with FP16/BF16/INT8 for AI inference and analytics.
- Unlocked multiplier for tuning in workstation and enthusiast builds.
- Modern platform (W890, LGA4710) with PCIe 5.0 and DDR5.
Cons
- No integrated graphics – requires discrete GPU.
- 210–252 W power envelope demands robust cooling and PSU.
- L2 and total cache sizes are not fully disclosed by Intel.
- New platform; early adopters face premium pricing and potentially immature firmware.
- Competing Threadripper PRO parts may offer better per‑core or memory bandwidth in some workloads.
Pros
- 60 Performance-cores and 120 threads for massive parallelism.
- 112 PCIe 5.0 lanes for extensive expansion.
- Eight-channel DDR5-4800 ECC with up to 4 TB capacity.
- Unlocked multiplier for performance tuning.
- Intel AMX and DL Boost for AI acceleration.
- Intel vPro Enterprise and remote management features.
- Turbo Boost Max 3.0 up to 4.8 GHz on favored cores.
- VT-x/VT-d virtualization support.
Cons
- High power draw: 385 W base and 462 W max turbo require serious cooling.【turn4fetch0】
- No integrated graphics.
- Single-threaded performance lower than many desktop CPUs.
- W790/LGA4677 platform has limited long-term upgrade path.
- Strong competition from AMD’s Threadripper PRO line in many creator workloads.
Competitors & Alternatives
Intel Xeon 656 Processor
- AMD Ryzen Threadripper PRO 7965WXRival
Workstation
- AMD Ryzen Threadripper 7960XRival
HEDT / Workstation
- Compare head-to-headIntel Xeon w7‑2595XRival
Workstation
- Compare head-to-headIntel Xeon w9‑3595XRival
Workstation
- AMD Ryzen Threadripper PRO 9965WXRival
Workstation
- Intel Xeon 654Alt
Similar Granite Rapids-WS platform with 18 cores and slightly higher base clock; better if you don’t need all 20 cores.
- Intel Xeon 638Alt
16‑core Granite Rapids-WS SKU with lower TDP; better if power efficiency matters more than maximum throughput.
Intel Xeon w9-3595X
- AMD Ryzen Threadripper PRO 7995WXRival
Workstation
- AMD Ryzen Threadripper PRO 5995WXRival
Workstation
- AMD Ryzen Threadripper PRO 7985WXRival
Workstation
- Intel Xeon w9-3495XRival
Workstation
- Compare head-to-headIntel Core i9-14900KRival
High-End Desktop
- AMD Ryzen Threadripper 7960XAlt
Strong multi-threaded performance on TRX50 with lower cost if you can forgo WRX90 enterprise features.
Our Verdict on Each
A strong mid‑range Granite Rapids-WS workstation CPU with excellent I/O and memory bandwidth, best suited for professionals who need serious multi‑threaded performance without stepping up to 30+ core SKUs.
Best for: Professional workstation builds where you need 20+ cores, 128 PCIe 5.0 lanes, and 8‑channel DDR5 but don’t require the highest‑core Granite Rapids SKUs.
Read the full reviewA top-end workstation processor with massive core count and I/O expansion, ideal for well-threaded pro workloads, but it demands serious power and cooling and faces strong competition from AMD’s Threadripper PRO line.
Best for: Professional workstations for rendering, simulation, AI development, or multi-GPU setups where Intel’s platform features and software ecosystem are preferred.
Read the full reviewFrequently Asked Questions
Which is better, Intel Xeon 656 Processor or Intel Xeon w9-3595X?
Based on our editorial ratings, the Intel Xeon 656 Processor comes out ahead with a score of 8.6/10. 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 656 Processor or Intel Xeon w9-3595X?
For gaming, the Intel Xeon 656 Processor leads with a gaming performance score of 0/100 among Intel Xeon 656 Processor and Intel Xeon w9-3595X.
Which uses less power?
The Intel Xeon 656 Processor has the lowest rated TDP. Power draw across these chips: Intel Xeon 656 Processor (210 W), Intel Xeon w9-3595X (385 W).
Do Intel Xeon 656 Processor and Intel Xeon w9-3595X use the same socket?
No. They use different sockets (Intel Xeon 656 Processor: FCLGA4710, Intel Xeon w9-3595X: FCLGA4677), so each needs a compatible motherboard.
Which has more cores?
The Intel Xeon w9-3595X has the most cores. Core counts: Intel Xeon 656 Processor (20 cores), Intel Xeon w9-3595X (60 cores).
Which is faster in multi-core benchmarks?
The Intel Xeon 656 Processor posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 656 Processor (0). Benchmark figures are approximate and workload-dependent.