PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Xeon E5620 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,621 points. Launch price was $35.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Xeon E5620 is positioned at rank #649 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon E5620

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

11476%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

2167%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1925%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1487%

#385

EPYC 9375F

MSRP: $5306|Avg: $108

100%

#386

Xeon w9-3475X

MSRP: $3739|Avg: $3930

96%

#388

EPYC 9254

MSRP: $3761|Avg: $1099

94%

#389

Xeon Gold 5220R

MSRP: $1780|Avg: $1015

94%

#390

EPYC 9555P

MSRP: $7983|Avg: $6130

94%

#391

Xeon Gold 5218

MSRP: $1273|Avg: $500

94%

#649

Xeon E5620

MSRP: N/A|Avg: N/A

100%

#650

Xeon E3-1275L v3

MSRP: $350|Avg: $29

100%

#652

Xeon E5-1650 v3

MSRP: $583|Avg: N/A

98%

#654

Xeon E3-1225

MSRP: $224|Avg: $205

96%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Xeon E5620 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Xeon E5620 specifications and capabilities.

⚡

Processing Power

The Xeon E5620 is a 4-core / 8-thread processor based on the Westmere-EP (2010−2011) architecture, manufactured on a 32 nm process node. It reaches a maximum boost clock of 2.66 GHz from a base frequency of 2.4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 12 MB (total) of L3 cache, plus 256 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 3,621, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Xeon E5620
Cores / ThreadsPhysical/logical processing units	4C / 8T
Max Boost ClockPeak single-core speed under boost	2.66 GHz
Base ClockGuaranteed minimum operating frequency	2.4 GHz
ArchitectureCPU microarchitecture design	Westmere-EP (2010−2011)
Process NodeFabrication technology — smaller = more efficient	32 nm
L3 CacheShared cache — reduces memory latency for all cores	12 MB (total)
L2 CachePer-core fast cache for frequently accessed data	256 kB (per core)
L1 CacheUltra-fast per-core cache	64 kB (per core)
Die SizePhysical silicon area of the processor	239 mm2
Transistor CountMore transistors = more capabilities	1,170 million
Max TemperatureMaximum safe operating temperature (Tjmax)	78 °C
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	3,621

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Memory & Platform

The Xeon E5620 fits into the LGA1366 socket and supports PCIe 2.0. It supports DDR3 memory.

Specification	Xeon E5620
TypeDesktop or Laptop processor	server
SocketMotherboard socket required	LGA1366
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 2.0
RAM TypeSupported memory standard	DDR3
Max CPUs in ConfigMulti-socket support for servers	2

🌡️

Power & Cooling

The Xeon E5620 has a rated TDP (Thermal Design Power) of 80 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Xeon E5620
TDPThermal Design Power — heat output under sustained workload	80 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	78 °C

💰

Value Analysis

It currently holds Rank #649 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2093 out of all indexed processors.

Specification	Xeon E5620
Launch PriceOriginal retail price at launch	$35
Cost-Benefit RankPosition in overall value ranking	#649
Performance RankPosition in overall performance ranking	#2093
Release DateLaunch date	16 March 2010 (15 years ago)
Release Year	2010
DesignerArchitecture designer (e.g. Intel, AMD)	Intel
ManufacturerFabrication foundry (e.g. TSMC)	Intel