Feex·CPU
Intel · Xeon E5 · Server

Intel® Xeon™ E5-1428L

The Intel Xeon E5-1428L is a server processor released on April 1, 2012, built on the Sandy Bridge architecture using a 32 nm process. It has 6 cores and 12 threads, a base clock of 1.80 GHz, 15 MB of L3 cache, a 60 W TDP and the FCLGA1356 socket.

Cores
6
Threads
12
Base Clock
1.8 GHz
Architecture
Sandy Bridge
Socket
FCLGA1356
TDP
60 W
L3 Cache
15 MB
PCIe Generation
3.0
Core layout
PPPPPP
6 Performance 12 Threads
Notable capabilities:Extended Page Tables (EPT)

Best for

Server / professional infrastructure

Overview

The Intel Xeon E5-1428L is a server processor with 6 cores and 12 threads, built on the Sandy Bridge architecture. It launched in Apr 2012. A 15-MB L3 cache backs the cores (2.8 MB per core). It supports DDR3 memory. The chip drops into the FCLGA1356 socket and exposes PCIe 3.0 (24 lanes). Rated TDP is 60 W. Notable platform capabilities: Extended Page Tables (EPT).

Core Configuration

Cores
6
Threads
12
Threads per Core
2
Base Clock
1.8 GHz
Boost Clock
Not recorded

The Intel Xeon E5-1428L has 6 physical cores and runs 12 logical threads. It runs 2 threads per core. It runs at a base clock of 1.80 GHz.

Architecture & Generation

Manufacturer
Intel
Family
Xeon E5
Segment
Server
Generation
Intel Xeon Processor E5 Family
Architecture
Sandy Bridge
Codename
Sandy Bridge EN
Lithography
32 nm
Release Date
Apr 2012

The Intel Xeon E5-1428L is a server processor, belongs to the Intel Xeon E5 family, uses the Sandy Bridge architecture, carries the codename Sandy Bridge EN and is manufactured on a 32 nm process. It launched in Apr 2012.

Cache

L2 Cache (Total)
1.5 MB
L3 Cache
15 MB
Cache per Core
2.8 MB
Total Cache
16.5 MB

The Intel Xeon E5-1428L has 1.50 MB of L2 cache and 15 MB of L3 cache. That adds up to about 16.5 MB of cache, or 2.75 MB per core. Feex has no recorded L1 cache size for this processor.

Cache Hierarchy

L2L3
L2 1.5 MBL3 15 MB

The Intel Xeon E5-1428L has a 2-level cache hierarchy: L2 at 1.5 MB and L3 at 15 MB. L3 is the largest level and makes up about 91% of the cache listed here.

Memory Support

Max Memory
Not recorded
Memory Channels
3
Memory Bandwidth
32 GB/s
Memory Types
DDR3
DDR5 Support
No
DDR4 Support
No
LPDDR Support
No
Max Memory Speed
1,333

The Intel Xeon E5-1428L supports DDR3 memory, uses 3 memory channels, runs memory at up to 1,333 MT/s and delivers up to 32.0 GB/s of memory bandwidth. It does not support DDR5, DDR4 and LPDDR memory.

Platform & Compatibility

Socket
FCLGA1356
PCIe Generation
3.0
PCIe Lanes
24

The Intel Xeon E5-1428L uses the FCLGA1356 socket, supports PCI Express 3.0 and provides up to 24 PCIe lanes.

Power & Thermals

TDP
60 W

The Intel Xeon E5-1428L has a rated TDP of 60 W.

Platform Capabilities

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

Instruction Sets

2 supported
Supported
AVX64-bit (x86-64)
Not recorded
AES-NIAMXAVX-512AVX2AVX-VNNICET

Security and Reliability

0 supported
Not recorded
AES-NIControl-flow Enforcement (CET)Execute Disable (NX)Boot GuardHardware RNGHardware Shield

Virtualization

3 supported
Supported
Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization)
Not recorded
VT-x with EPTIOMMUSecond-Level Address TranslationUnrestricted Guest

OS Compatibility

0 supported
Not supported
Windows 11 eligible

The Intel Xeon E5-1428L supports AVX and 64-bit (x86-64) among its instruction set features. Feex has no record for AES-NI, AMX, AVX-512, AVX2, AVX-VNNI and CET, which is different from being unsupported.

Feex has no record for AES-NI, Control-flow Enforcement (CET), Execute Disable (NX), Boot Guard, Hardware RNG and Hardware Shield, which is different from being unsupported.

The Intel Xeon E5-1428L supports Extended Page Tables (EPT), VT-d (DMA Remapping) and VT-x (Hardware Virtualization) among its virtualization features. Feex has no record for VT-x with EPT, IOMMU, Second-Level Address Translation and Unrestricted Guest, which is different from being unsupported.

Feex records these as not true for the Intel Xeon E5-1428L: Windows 11 eligible.

Physical & Manufacturing

Launch Price
$480

The Intel Xeon E5-1428L is manufactured by Intel. It launched at a price of $480.

Naming & Aliases

Display Name
Intel® Xeon™ E5-1428L
Model Number
E5-1428L
Product line brand
Xeon

The Intel Xeon E5-1428L is also identified by the model number E5-1428L.

Real-world compute in the Feex fleet

No Feex fleet machines with the Intel Xeon E5-1428L have reported compute telemetry yet, so real-world compute for this processor is not recorded.

How fleet compute is measured · Fleet compute leaderboard · JSON

Data Coverage

Feex has recorded 38% of the specifications it tracks for the Intel Xeon E5-1428L. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L1 Cache (Total), L2 Cache (per Core) and L4 Cache. Memory Support: ECC Memory. Graphics: Integrated Graphics, Graphics Model, Graphics Base Clock, Graphics Max Clock, Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number. Performance: single-core and multi-core ratings and all computed performance metrics.

Common questions

How many cores and threads does the Intel Xeon E5-1428L have?

The Intel Xeon E5-1428L has 6 cores and 12 threads.

What architecture does the Intel Xeon E5-1428L use?

The Intel Xeon E5-1428L is built on the Sandy Bridge architecture.

What socket does the Intel Xeon E5-1428L use?

The Intel Xeon E5-1428L uses the FCLGA1356 socket.

What memory does the Intel Xeon E5-1428L support?

The Intel Xeon E5-1428L supports DDR3 across 3 channels.

What is the TDP of the Intel Xeon E5-1428L?

The Intel Xeon E5-1428L has a TDP of 60 W.

What advanced capabilities does the Intel Xeon E5-1428L support?

Notable platform capabilities reported for the Intel Xeon E5-1428L include Extended Page Tables (EPT).

What is the Intel Xeon E5-1428L best for?

Based on its specifications, the Intel Xeon E5-1428L is well suited for Server / professional infrastructure.

How much cache does the Intel Xeon E5-1428L have?

The Intel Xeon E5-1428L has 1536 KB of L2 cache and 15 MB of L3 cache.