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 X5355 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 120 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,039 points. Launch price was $1,172.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Xeon X5355 is positioned at rank #1032 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 X5355

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

461829%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

87198%

#10

Xeon 6337P

MSRP: $60|Avg: $5

77471%

#15

EPYC 9174F

MSRP: $194|Avg: $30

59849%

#1032

Xeon X5355

MSRP: $4491|Avg: $4000

100%

#1033

Xeon E5420

MSRP: $7214|Avg: $6500

62%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Xeon X5355 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Xeon X5355 specifications and capabilities.

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Processing Power

The Xeon X5355 is a 4-core / 4-thread processor based on the Clovertown (2006−2007) architecture, manufactured on a 65 nm process node. It reaches a maximum boost clock of 0.67 GHz from a base frequency of 2.66 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB L2 Cache of L3 cache, plus 4 MB (total) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 2,039, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Xeon X5355
Cores / ThreadsPhysical/logical processing units	4C / 4T
Max Boost ClockPeak single-core speed under boost	0.67 GHz
Base ClockGuaranteed minimum operating frequency	2.66 GHz
ArchitectureCPU microarchitecture design	Clovertown (2006−2007)
Process NodeFabrication technology — smaller = more efficient	65 nm
L3 CacheShared cache — reduces memory latency for all cores	8 MB L2 Cache
L2 CachePer-core fast cache for frequently accessed data	4 MB (total)
L1 CacheUltra-fast per-core cache	64 kB (per core)
Die SizePhysical silicon area of the processor	2x 143 mm2
Transistor CountMore transistors = more capabilities	582 million
64-bit Support	Yes
Core Voltage Range	1V-1.5V
PassMark ScoreOverall multi-threaded benchmark score	2,039

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Memory & Platform

The Xeon X5355 fits into the LGA771 socket and supports PCIe 2.0. It supports DDR2, DDR3 Depends on motherboard memory.

Specification	Xeon X5355
TypeDesktop or Laptop processor	server
SocketMotherboard socket required	LGA771
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 2.0
RAM TypeSupported memory standard	DDR2, DDR3 Depends on motherboard
Max CPUs in ConfigMulti-socket support for servers	2

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Power & Cooling

The Xeon X5355 has a rated TDP (Thermal Design Power) of 120 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Xeon X5355
TDPThermal Design Power — heat output under sustained workload	120 Watt

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Value Analysis

At an average price of $4,000 (MSRP: $4491), the Xeon X5355 delivers 1 PassMark points per dollar. It currently holds Rank #1032 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2565 out of all indexed processors.

Specification	Xeon X5355
MSRPManufacturer's Suggested Retail Price	$4491
Avg Price (30d)Average market price over the last 30 days	$4000
Launch PriceOriginal retail price at launch	$1,172
Cost-Benefit RankPosition in overall value ranking	#1032
Performance RankPosition in overall performance ranking	#2565
Release DateLaunch date	14 November 2006 (19 years ago)
Release Year	2006
DesignerArchitecture designer (e.g. Intel, AMD)	Intel