Intel® Xeon™ E7-4820

The Intel Xeon E7-4820 is a server processor with 8 cores and 16 threads, built on the Westmere architecture. It launched in Apr 2011. Clocks run from 2.0 GHz base to 2.27 GHz boost. A 18-MB L3 cache backs the cores (2.5 MB per core). It addresses DDR3 memory up to 2048 GB across 4 channels. It uses the LGA1567 socket. Rated TDP is 105 W. Notable platform capabilities: Extended Page Tables (EPT).

The Intel Xeon E7-4820 has 8 physical cores and runs 16 logical threads. It runs 2 threads per core. It runs at a base clock of 2.00 GHz and boosts up to 2.27 GHz.

The Intel Xeon E7-4820 is a server processor, belongs to the Intel Xeon E7 family, uses the Westmere architecture, carries the codename Westmere EX and is manufactured on a 32 nm process. It launched in Apr 2011.

The Intel Xeon E7-4820 has 2 MB of L2 cache and 18 MB of L3 cache. That adds up to about 20.0 MB of cache, or 2.50 MB per core. Feex has no recorded L1 cache size for this processor.

The Intel Xeon E7-4820 has a 2-level cache hierarchy: L2 at 2 MB and L3 at 18 MB. L3 is the largest level and makes up about 90% of the cache listed here.

The Intel Xeon E7-4820 supports DDR3 memory, addresses up to 2,048 GB of memory, uses 4 memory channels, runs memory at up to 1,333 MT/s and delivers up to 42.7 GB/s of memory bandwidth. It does not support DDR5, DDR4 and LPDDR memory.

The Intel Xeon E7-4820 uses the LGA1567 socket.

The Intel Xeon E7-4820 has a rated TDP of 105 W.

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.

The Intel Xeon E7-4820 is manufactured by Intel. It launched at a price of $1,446.

The Intel Xeon E7-4820 is also identified by the model number E7-4820.

Feex has recorded 38% of the specifications it tracks for the Intel Xeon E7-4820. 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, Package Size and PCIe Lanes. 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.

Processors close to the Intel Xeon E7-4820 in the Feex database, matched by socket, family, segment, architecture, core count, TDP and benchmark scores, include Intel Xeon E7-4809 v4, Intel Xeon E7-4809 v3, Intel Xeon E7-4820 v4, Intel Xeon E7-4820 v3 and Intel Xeon E7-8891 v3.