Intel BX80660E52680V4 Xeon E5-2680 V4 Server Processor

Name: Intel BX80660E52680V4 Xeon E5-2680 V4 Server Processor
Brand: Intel
SKU: BX80660E52680V4

Overview

The Intel Xeon E5-2680 V4 is a 14-core, 28-thread server processor built on Intel's 14nm Broadwell-EP microarchitecture. Its 2.4GHz base clock turbos to 3.3GHz under load, but the real story is the 35MB L3 cache and support for up to 1.54TB of DDR4 ECC RAM per socket. To put that in context: no consumer platform at any price approaches that memory ceiling. That capacity exists because E5-2680 V4 systems are built to run dozens of simultaneous virtual machines, large database instances, or memory-intensive workloads that would exhaust consumer hardware entirely. The 120W TDP reflects a deliberate engineering balance — high core count without the power draw of older 22nm Xeons, keeping it viable in dense rack configurations.

In practice, this processor is the backbone of budget virtualization hosts, secondary rendering nodes, and homelab ESXi/Proxmox servers. A dual-socket E5-2680 V4 system yields 28 physical cores, 56 threads, and potentially 3TB of RAM — at a fraction of the cost of current-generation Xeon Gold equivalents. The trade-off is platform age: the LGA 2011-3 socket has no upgrade path, DDR4-2400 memory bandwidth can bottleneck NVMe storage arrays, and per-core performance trails modern architectures by a significant margin. For workloads that scale horizontally across threads — which most server applications do — the E5-2680 V4 remains a cost-efficient, proven choice for operators who don't need cutting-edge IPC.

Specifications

Processor Number

E5-2680 V4

Vertical Segment

Server

Lithography

14nm (Broadwell-EP)

Cores / Threads

14 Cores / 28 Threads

Base Frequency

2.4 GHz

Max Turbo Frequency

3.30 GHz

L3 Cache

35 MB

TDP

120W

Socket

LGA 2011-3

Max Memory

1.54 TB

Memory Types

DDR4 1600 / 1866 / 2133 / 2400 (ECC)

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Pros & Cons

👍 Pros

14 cores and 28 threads at 2.4GHz base deliver strong multi-threaded throughput for virtualization, rendering, and database workloads.
35MB L3 cache reduces memory latency for large working-set applications, notably databases and in-memory analytics.
Supports up to 1.54TB DDR4 ECC RAM per socket — memory capacity that consumer platforms cannot approach.
14nm Broadwell-EP lithography keeps efficiency reasonable for its core count in a data center context.
Dual-socket support doubles compute and memory capacity without additional infrastructure.

👎 Cons

2.4GHz base clock limits single-threaded performance; applications that don't scale across cores will feel the constraint relative to modern consumer CPUs.
120W TDP requires purpose-built server infrastructure — cooling, power delivery, and rack space are non-negotiable considerations.
DDR4-2400 maximum memory speed is a bottleneck for bandwidth-intensive workloads compared to newer platforms supporting DDR5.
LGA 2011-3 platform is a dead-end socket — no upgrade path beyond V4 generation processors.
No integrated graphics; requires a discrete GPU or remote management card for display output in headless server configurations.

Frequently Asked Questions

What socket does the E5-2680 V4 use, and which motherboards are compatible?

The E5-2680 V4 uses LGA 2011-3. It is compatible with Intel C610 series (Wellsburg) chipset motherboards that support the Broadwell-EP platform. Verify your board's QVL — not all LGA 2011-3 boards support V4 processors; some require a BIOS update, and others are V3-only.

What is the practical difference between the 14-core count and the 28-thread count listed?

The 14 physical cores each run two threads via Intel Hyper-Threading, yielding 28 logical processors. For heavily threaded workloads — virtualization, database queries, video transcoding — the OS schedules across all 28 threads, improving throughput. Single-threaded tasks use only physical cores, so the 2.4GHz base clock is the relevant figure there.

How much RAM can this processor address, and what type does it support?

The E5-2680 V4 supports up to 1.54TB of RAM per socket using DDR4 at speeds of 1600, 1866, 2133, or 2400 MHz. In a dual-socket configuration, total system RAM doubles. It supports ECC (Error-Correcting Code) memory, which is essential for server uptime and data integrity.

Can this processor run in a dual-socket configuration?

Yes. The E5-2680 V4 is a dual-socket capable Xeon. Two processors communicate via Intel QPI interconnect, sharing memory and workloads across the combined 28 cores and 56 threads. Dual-socket configurations are common in virtualization hosts and rendering farms.

What cooling solution does the E5-2680 V4 require?

At 120W TDP, the E5-2680 V4 requires an active cooling solution rated for server-class Xeon processors. Consumer coolers for LGA 2011-3 are physically compatible but may be undersized under sustained load. A server-grade heatsink or liquid cooling loop rated for 130W+ is recommended.