CPU Comparison
Intel Xeon 638 Processor vs Intel Xeon 654 Processor
A side-by-side comparison of specs, performance and value. The Intel Xeon 638 is a 16-core, 32-thread workstation and server processor in Intel’s Xeon 600 Granite Rapids-WS family, built on the Intel 3 process with Redwood Cove P-cores, 72 MB of L3 cache, and 80 PCIe 5.0 lanes. It targets professional workloads like 3D rendering, simulation, and AI inference where high single-thread clocks and decent multi-thread density matter more than maximum core count.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- AMX with FP16/BF16/INT8 acceleration
- FP16 native support reduces overhead vs prior Xeon generations
- Still limited compared to dedicated AI accelerators or high-end GPUs for large models
- AMX with FP16/BF16/INT8 accelerates many AI workloads natively on CPU.
- Best for inference and mid-size training where GPU memory is a bottleneck.
- For large-scale training, multi-GPU or dedicated AI accelerators are still preferred.
Content Creation
Gaming
- No integrated graphics
- Not validated for gaming workloads by Intel
- Gaming performance will depend heavily on GPU and platform tuning
- High single-thread clocks and good IPC deliver solid gaming performance at high refresh rates.
- Platform is optimized for workstations, not gaming; cost and I/O are overkill for gamers.
- Modern high-end desktop CPUs often provide better gaming value and efficiency.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 16 high-IPC Redwood Cove cores with 4.8 GHz turbo
- 80 PCIe 5.0 lanes for multi-GPU and fast storage
- Quad-channel DDR5-6400 with ECC and MRDIMM support
- AMX with FP16 for improved AI inference performance
- Unlocked multiplier for overclocking on supported platforms
- Modern Intel 3 process improves performance per watt vs older Xeons
Cons
- Only four memory channels versus eight on higher Xeon 600 SKUs
- 180 W TDP and 216 W max turbo can stress compact cooling solutions
- No integrated graphics, requiring a discrete GPU
- Higher platform cost than mainstream desktop CPUs
- Workstation pricing may not justify upgrades for users with existing Sapphire Rapids-WS systems
Pros
- 18 high-performance P-cores with strong per-core throughput
- Eight-channel DDR5-6400 with huge memory bandwidth
- 128 PCIe 5.0 lanes for GPUs, NVMe, and accelerators
- AMX with FP16/BF16/INT8 for CPU-based AI acceleration
- Server-grade reliability, ECC, and vPro manageability
- Significant efficiency gains over prior Sapphire Rapids-WS generation
Cons
- Higher platform cost than mainstream desktop CPUs
- Locked multiplier limits overclocking headroom
- Lower raw multi-thread performance than high-core Threadripper/EPYC competitors
- Requires new LGA4710 motherboard and W890 chipset
- Power and cooling requirements are non-trivial for small form-factor builds
Competitors & Alternatives
Intel Xeon 638 Processor
- AMD Ryzen Threadripper PRO 7965WXRival
Workstation
- AMD EPYC 4465PRival
Server / Workstation
- Intel Xeon W5-3435XRival
Workstation
- Intel Xeon 656Rival
Workstation
- AMD Ryzen Threadripper PRO 7995WXRival
Workstation
- Intel Xeon 654Alt
18 cores and 8-channel DDR5 if you need more memory bandwidth and cores, at higher TDP and price.
- Intel Xeon 636Alt
12-core, lower-power alternative if you don’t need 16 cores and want to save on licensing and cooling.
Intel Xeon 654 Processor
- AMD Ryzen Threadripper PRO 9955WXRival
High-End Workstation
- AMD EPYC 9475FRival
Server / Workstation
- Compare head-to-headIntel Xeon w7-3565XRival
High-End Workstation
- Compare head-to-headIntel Xeon w5-2555XRival
Mainstream Workstation
- AMD Ryzen Threadripper 7980XRival
HEDT / Workstation
Better value for gaming and light creator workloads if you do not need ECC, eight-channel memory, or 128 PCIe lanes.
Compare head-to-head- AMD Ryzen 9 7950XAlt
More efficient mainstream desktop CPU with strong creator performance, but without workstation I/O or memory capacity.
Our Verdict on Each
A strong mid-range workstation CPU with excellent IPC, modern I/O, and AMX-based AI acceleration, best suited for professionals who need more than desktop cores but don’t require 60+ core monsters.
Best for: Professional workstation or small server needing 16–32 threads, strong per-core performance, and lots of PCIe 5.0 connectivity, but not extreme core counts or eight-channel memory.
Read the full reviewA strong entry-level Granite Rapids-WS workstation CPU with excellent memory and I/O bandwidth, but it faces stiff competition from higher-core AMD Threadripper and EPYC parts in heavily multi-threaded workloads.
Best for: Building a new single-socket workstation for rendering, simulation, or AI where you need eight-channel memory and 128 PCIe 5.0 lanes and want Intel’s platform.
Read the full reviewFrequently Asked Questions
Which is better, Intel Xeon 638 Processor or Intel Xeon 654 Processor?
Based on our editorial ratings, the Intel Xeon 654 Processor 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 638 Processor or Intel Xeon 654 Processor?
For gaming, the Intel Xeon 654 Processor leads with a gaming performance score of 65/100 among Intel Xeon 638 Processor and Intel Xeon 654 Processor.
Which uses less power?
The Intel Xeon 638 Processor has the lowest rated TDP. Power draw across these chips: Intel Xeon 638 Processor (180 W), Intel Xeon 654 Processor (200 W).
Do Intel Xeon 638 Processor and Intel Xeon 654 Processor 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 654 Processor has the most cores. Core counts: Intel Xeon 638 Processor (16 cores), Intel Xeon 654 Processor (18 cores).
Which is faster in multi-core benchmarks?
The Intel Xeon 654 Processor posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 638 Processor (0), Intel Xeon 654 Processor (61,000). Benchmark figures are approximate and workload-dependent.