CPU Comparison

Intel Xeon 6780E vs Intel Xeon 6990E+ processor

A side-by-side comparison of specs, performance and value. The Intel Xeon 6780E is a 144-core E-core server processor in the Xeon 6 family designed for high-density scale-out cloud and data center workloads.

Intel · Xeon 6
Intel Xeon 6780E
144C / 144T3 GHz330 W
8.4
Full review
Top pick
Intel · Xeon 6+
Intel Xeon 6990E+ processor
288C / 288T3.2 GHz450 W
9
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Server/Data Center
Hyperscale / Cloud / Telecom / Scale‑out Data Center
Segment
Intel Server
Server / Data Center (E‑core density)
Generation
Xeon 6 (Sierra Forest)
Xeon 6+ (Clearwater Forest)
Launched
2024
2026
Status
Launched
Launched
Codename
Sierra Forest
Clearwater Forest
Series
Xeon 6
Xeon 6+
Family
Xeon
Xeon 6+ Clearwater Forest
Predecessor
5th Gen Xeon Scalable
Intel Xeon 6780E (Sierra Forest)
Successor
Future Xeon 6 E-core and P-core derivatives
Platform ongoing (Xeon 6+ family)

Specifications Compared

Cores & Clocks
Cores
144
288
Threads
144
288
Base Clock
2.2 GHz
2.2 GHz
Boost Clock
3 GHz
3.2 GHz
Cache & Power
L3 Cache
108 MB
576 MB
L2 Cache
288 MB
TDP
330 W
450 W
Architecture
Architecture
Sierra Forest (E-core only)
Clearwater Forest (Darkmont E‑cores)
Process Node
Intel 3
Intel 18A
Memory
Memory Type
DDR5
DDR5‑RDIMM
Memory Speed
DDR5-6400
DDR5‑8000
Memory Channels
Octa (8)
12× (12)
Max Memory
4096 GB
1536 GB
Platform & I/O
Socket
FCLGA4710
LGA7529
PCIe Version
5.0
PCIe 5.0
PCIe Lanes
88
96
Integrated GPU
None
None
Unlocked
No
No

Performance Compared

Productivity

Intel Xeon 6780E
Intel Xeon 6990E+ processor92

Gaming

Intel Xeon 6780E
Intel Xeon 6990E+ processor20

Virtualization

Intel Xeon 6780E
Intel Xeon 6990E+ processor94

Efficiency

Intel Xeon 6780E88
Intel Xeon 6990E+ processor88

Specialized Performance

AI / ML

Intel Xeon 6780EModerate
  • Supports Intel DL Boost (AVX2 VNNI) for CPU inference, but lacks specialized matrix engines.
  • Typically paired with discrete accelerators (GPUs/DPUs) for heavier AI workloads.
  • E-core architecture is best for inference latency across many small models, not training.
Intel Xeon 6990E+ processorGood for CPU‑hosted inference
  • Strong CPU inference throughput for models that fit in memory.
  • No integrated GPU or dedicated AI accelerator; relies on CPU cores and Intel DL Boost / AVX2.
  • Best used as a host CPU for GPU/accelerator‑based AI systems.

Content Creation

Intel Xeon 6780ELimited
Batch video transcodingParallel rendering farmsBuild farms for large codebases
Intel Xeon 6990E+ processorPoor for typical creator workloads
Distributed rendering / batch transcodingHighly parallel video encoding pipelinesServer‑side content processing

Gaming

Intel Xeon 6780EPoor
  • Not designed or marketed for gaming workloads.
  • Single-core frequency is modest compared to client CPUs.
  • Lacks integrated graphics; discrete GPU required.
Intel Xeon 6990E+ processorNot applicable
  • Not intended for gaming; low clock speeds and E‑core architecture.
  • Latency and single‑thread performance far below mainstream desktop CPUs.
  • Only relevant if gaming is a tiny side‑load on a primarily cloud server.

Industry Impact

Workstations
Low
Low
Gaming
Negligible
Content Creation
Low
Virtualization
High

Best CPU by Use Case

Multi-tenant virtualization
Excellent
Cloud-native microservices
Excellent
Web-scale hosting
Excellent
Network functions virtualization
Very Good
Data analytics (parallel)
Very Good
Cloud web / microservices
Excellent
Telecom / vRAN / 5G core
Excellent
AI inference (CPU‑hosted)
Very Good
In‑memory databases
Very Good
General HPC (throughput‑oriented)
Good

Target Audience

Gamers
Content Creators
Developers
Workstation Users
Streamers
Office / Productivity
Students

Strengths & Weaknesses

Intel Xeon 6780E

Pros

  • 144 E-cores for high parallelism
  • Eight-channel DDR5-6400 memory
  • 88 PCIe 5.0 lanes for extensive I/O
  • Built-in accelerators (QAT, DSA, DLB, IAA)
  • Intel 3 process for better efficiency
  • Supports up to 4 TB of memory

Cons

  • No AVX-512 support limits some HPC workloads
  • Modest boost clocks for latency-sensitive tasks
  • 330 W TDP demands robust cooling
  • No integrated graphics
  • Multiplier locked; not for overclocking
Intel Xeon 6990E+ processor

Pros

  • 288 E‑cores for extremely high thread density.
  • Intel 18A process with improved performance per watt and density.
  • 576 MB L3 + 288 MB L2 cache reduces memory bottlenecks.
  • 12‑channel DDR5‑8000 with up to 1.5 TB capacity per socket.
  • 96 PCIe 5.0 / CXL lanes for accelerators and NVMe.
  • Strong Intel claims vs prior Xeon E‑core and competing EPYC density parts.

Cons

  • No SMT; 288 threads are fixed, no 2× SMT multiplier.
  • E‑core clocks and single‑thread performance are modest.
  • 450 W TDP requires robust cooling and power delivery.
  • Platform and CPU cost will be very high; overkill for small deployments.
  • New 18A node and complex packaging may introduce early‑production risk.

Competitors & Alternatives

Intel Xeon 6780E

  • AMD EPYC 9754 (Bergamo)

    Server

    Rival
  • AMD EPYC 9684X (Genoa-X)

    Server

    Rival
  • Similar core count with lower TDP and different frequency profile.

    Compare head-to-head
  • 5th Gen Intel Xeon Scalable
    Alt

    P-core-based choice for higher per-core performance needs.

  • AMD EPYC 9754
    Alt

    Zen 4c-based high-core-count competitor optimized for cloud.

Intel Xeon 6990E+ processor

  • AMD EPYC 9965

    Density‑optimized x86 server

    Rival
  • AmpereOne A192‑32X

    Arm density‑optimized server

    Rival
  • Intel Xeon 6980E+

    E‑core server (lower core count)

    Rival
  • Intel Xeon 6900P series (Granite Rapids‑AP)

    P‑core high‑performance server

    Rival
  • AMD EPYC 9655

    Performance‑optimized x86 server

    Rival
  • Intel Xeon 6900P (Granite Rapids‑AP)
    Alt

    Choose P‑core Xeon if you need higher per‑core performance and can accept lower core counts.

Our Verdict on Each

Intel Xeon 6780ERecommended

The Xeon 6780E delivers exceptional core density and throughput for scale-out cloud and containerized workloads, but the lack of AVX-512 and modest clock speeds mean it is not optimized for compute-bound HPC or single-threaded tasks.

Best for: High-density cloud deployments and large-scale virtualization.

Read the full review

An extremely dense E‑core server CPU that trades per‑core speed for sheer throughput and efficiency, ideal for cloud and telecom deployments that can exploit its 288 cores and 12‑channel DDR5‑8000 memory.

Best for: New cloud / telecom deployments that can fully utilize 288+ cores and 12‑channel DDR5‑8000, and where performance per watt and rack density are more important than per‑core speed.

Read the full review

Frequently Asked Questions

Which is better, Intel Xeon 6780E or Intel Xeon 6990E+ processor?

Based on our editorial ratings, the Intel Xeon 6990E+ processor comes out ahead with a score of 9/10. 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 6780E or Intel Xeon 6990E+ processor?

For gaming, the Intel Xeon 6990E+ processor leads with a gaming performance score of 20/100 among Intel Xeon 6780E and Intel Xeon 6990E+ processor.

Which uses less power?

The Intel Xeon 6780E has the lowest rated TDP. Power draw across these chips: Intel Xeon 6780E (330 W), Intel Xeon 6990E+ processor (450 W).

Do Intel Xeon 6780E and Intel Xeon 6990E+ processor use the same socket?

No. They use different sockets (Intel Xeon 6780E: FCLGA4710, Intel Xeon 6990E+ processor: LGA7529), so each needs a compatible motherboard.

Which has more cores?

The Intel Xeon 6990E+ processor has the most cores. Core counts: Intel Xeon 6780E (144 cores), Intel Xeon 6990E+ processor (288 cores).

Which is faster in multi-core benchmarks?

The Intel Xeon 6990E+ processor posts the highest multi-core benchmark score. Multi-core results: Intel Xeon 6990E+ processor (0). Benchmark figures are approximate and workload-dependent.