CPU Comparison
Intel Xeon 6740E vs Intel Xeon 6756E
A side-by-side comparison of specs, performance and value. The Intel Xeon 6740E is a 96-core, 96-thread E-core-only server processor in Intel’s Xeon 6 (Sierra Forest-SP) family, focused on high core density and performance per watt for cloud, scale-out, and networking workloads rather than maximum per-core performance.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Good for CPU-based inference where batch size can be scaled across many cores
- No dedicated matrix or AI accelerator blocks
- Better suited to data preprocessing and lightweight inference than heavy training
- No AMX or AVX-512; only AVX2 and DL Boost
- Suitable for light CPU inference or pre/post-processing only
- Not appropriate for training or heavy inference workloads
Content Creation
Gaming
- Low base and boost clocks (2.4–3.2 GHz) and E-core IPC
- Not intended for client or gaming workloads
- Modern desktop CPUs and P-core Xeons deliver far higher frame rates
- E-core design with low 1.8–2.6 GHz clocks
- No SMT and no high-frequency P-cores
- Target is server scale-out, not client gaming
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 96 E‑cores and 96 threads for high VM/container density
- Intel 3 process and chiplet design improve density and efficiency
- 8‑channel DDR5‑6400 with up to 4 TB capacity and high bandwidth
- 88 PCIe 5.0 lanes for NICs, accelerators, and storage
- Integrated accelerators (QAT, DLB, DSA, IAA) offload common data path tasks
- Speed Select Technology profiles allow tuning for server vs networking use cases
Cons
- Modest base and boost clocks limit single‑thread performance
- E‑core IPC is lower than P‑core Granite Rapids or AMD Zen 4c
- No SMT; thread count equals core count, which can be a disadvantage for some licensed workloads
- 250W TDP requires robust cooling and power delivery in dense configurations
- New platform (LGA4710) means limited installed base and potential early‑adopter risks
Pros
- Very high core count (128 E-cores) for cloud-native scale-out
- Strong performance per watt vs older Xeons and vs AMD EPYC in some cloud-native benchmarks
- 8-channel DDR5-6400 with ECC up to 4 TB
- 88 PCIe 5.0 lanes and four UPI 2.0 links for flexible I/O
- Rich set of accelerators and security features (QAT, DLB, DSA, IAA, TDX, SGX, TME)
- No SMT simplifies vCPU and licensing math
Cons
- No AVX-512 or AMX; unsuitable for HPC and AI training
- Low per-core performance and clocks (1.8–2.6 GHz)
- E-core only design can be slower for licensed or per-core-optimized software
- Higher list price than some EPYC Bergamo SKUs with similar core counts
- Fewer memory channels than Xeon 6900P/6900E series
Competitors & Alternatives
Intel Xeon 6740E
- AMD EPYC 9734 (Bergamo)Rival
Cloud / Density‑Optimized
- Compare head-to-headIntel Xeon 6731ERival
Cloud / Density‑Optimized
- Intel Xeon 6780E (144‑core Sierra Forest)Rival
High‑Density Cloud
- Intel Xeon 6952P (Granite Rapids‑AP)Rival
High‑Performance P‑core Server
- AMD EPYC 9654 (Genoa, 96‑core P‑core)Rival
General‑Purpose Server
Better when you need more cores (144) and can tolerate higher TDP (330W) for throughput‑bound workloads.
Compare head-to-head- AMD EPYC 9734Alt
Higher boost clocks and more threads (112C/224T) with Bergamo’s Zen 4c cores; stronger if your workloads benefit from SMT and higher per‑thread performance.
- AMD EPYC 9654Alt
P‑core EPYC with 96 Zen 4 cores and 192 threads; better for mixed workloads that need both strong single‑thread and multi‑thread performance.
- Intel Xeon 6700P/6500P (P‑core)Alt
Better per‑core performance and larger caches if your applications are latency‑sensitive or licensed per core rather than per thread.
Intel Xeon 6756E
- AMD EPYC 9754 (Bergamo, 128C/256T)Rival
Cloud-Native / Dense Scale-Out
- AMD EPYC 9534 (Genoa, 64C/128T)Rival
Cloud-Native / General Server
- Ampere Altra Max M128 (128 Arm v8.2+ cores)Rival
Cloud-Native / Arm Scale-Out
- AmpereOne A192-32X (192 Arm cores)Rival
High-Density Cloud / AI Inference
- Intel Xeon 6900P/6900E (Granite Rapids / Clearwater Forest, 12-ch mem)Rival
High-End Server / General Purpose
- Intel Xeon 6740P (48 P-cores, 96 threads)Alt
Better per-core performance and AVX-512/AMX for mixed workloads that still need decent core count.
- Intel Xeon 6530P (32 P-cores, 64 threads)Alt
Lower core count but higher clocks and P-core performance for licensed or latency-sensitive apps.
- AMD EPYC 9754 (128 cores, 256 threads)Alt
Higher thread count and AVX-512 support; stronger where SMT and vector ISA matter.
- Ampere Altra Max M128Alt
Arm-based alternative with 128 cores and strong power efficiency for cloud-native workloads.
- Intel Xeon 6780E / 6766E (144 E-cores)Alt
Higher core count Sierra Forest SKUs if you need more than 128 E-cores in the same power envelope.
Our Verdict on Each
A strong choice for operators needing huge core counts and high memory bandwidth within a 250W TDP, but its E-core design and modest clocks make it less suited for legacy single-threaded or floating-point-heavy HPC codes.
Best for: Building or upgrading dense cloud or NFV infrastructure where you need many threads and high memory bandwidth per rack unit, and your software scales well across many E‑cores.
Read the full reviewA strong fit for dense cloud-native deployments that can leverage many modest cores rather than a few big ones, but a poor choice for workloads that depend on high single-thread performance, AVX-512, or AMX.
Best for: Building or refreshing a cloud-native or scale-out server farm where you can exploit 128 modest cores and prioritize energy efficiency and licensing simplicity over peak per-core performance.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Xeon 6740E or Intel Xeon 6756E?
For gaming, the Intel Xeon 6740E leads with a gaming performance score of 40/100 among Intel Xeon 6740E and Intel Xeon 6756E.
Which uses less power?
The Intel Xeon 6756E has the lowest rated TDP. Power draw across these chips: Intel Xeon 6740E (250 W), Intel Xeon 6756E (225 W).
Do Intel Xeon 6740E and Intel Xeon 6756E 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 6756E has the most cores. Core counts: Intel Xeon 6740E (96 cores), Intel Xeon 6756E (128 cores).
Which is faster in multi-core benchmarks?
The Intel Xeon 6740E posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 6740E (13,597), Intel Xeon 6756E (0). Benchmark figures are approximate and workload-dependent.