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 Celeron M 585 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2.16 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 2,062 points. Launch price was $70.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. 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

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Celeron M 585 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Celeron M 585 specifications and capabilities.

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Processing Power

The Celeron M 585 is a 1-core / 1-thread processor based on the Merom (2006−2008) architecture, manufactured on a 65 nm process node. It reaches a maximum boost clock of 2.16 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 2,062, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Celeron M 585
Cores / ThreadsPhysical/logical processing units	1C / 1T
Max Boost ClockPeak single-core speed under boost	2.16 GHz
ArchitectureCPU microarchitecture design	Merom (2006−2008)
Process NodeFabrication technology — smaller = more efficient	65 nm
L2 CachePer-core fast cache for frequently accessed data	1 MB
Die SizePhysical silicon area of the processor	143 mm2
Transistor CountMore transistors = more capabilities	291 Million
Bus SpeedData bus frequency	667 MHz
Max TemperatureMaximum safe operating temperature (Tjmax)	100 °C
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	2,062

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Memory & Platform

The Celeron M 585 fits into the PGA478 socket and supports PCIe 1.1 with 0 total PCIe lanes for expansion cards and storage. Integrated graphics: None — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Celeron M 585
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	Intel Celeron M
SocketMotherboard socket required	PGA478
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 1.1
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	0
Max RAM SpeedMaximum officially supported memory frequency	800
Max RAM CapacityMaximum installable memory	4
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	None
Compatible ChipsetsMotherboard chipsets that support this CPU	GL40,GM45

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Advanced Features

Virtualization: false — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Mobile Sempron SI-40.

Specification	Celeron M 585
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	false
Direct CompetitorMarket equivalent from rival manufacturer	Mobile Sempron SI-40

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Power & Cooling

The Celeron M 585 has a rated TDP (Thermal Design Power) of 1 MB — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the false stock cooler. Recommended cooling: Laptop Integrated.

Specification	Celeron M 585
TDPThermal Design Power — heat output under sustained workload	1 MB
Max TemperatureMaximum safe junction temperature (Tjmax)	100 °C
Included CoolerStock cooler bundled in the box	false
Recommended CoolerSuggested aftermarket cooling solution	Laptop Integrated

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Value Analysis

Performance ranking position: #3259 out of all indexed processors.

Specification	Celeron M 585
Launch PriceOriginal retail price at launch	$70
Performance RankPosition in overall performance ranking	#3259
Release DateLaunch date	20 August 2008 (17 years ago)
Release Year	2008
DesignerArchitecture designer (e.g. Intel, AMD)	Intel

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

3 categories

General Information

7 specs

Type	Laptop
Series	Intel Celeron M
Designer	Intel
Launch Price	$70
Release Date	20 August 2008 (17 years ago)
Architecture Codename	Merom (2006−2008)
Performance Ranking Position	3259

Technical Specifications

11 specs

Cores	1
Threads	1
Die Size	143 mm2
L2 Cache	1 MB
Bus Speed	667 MHz
Max Frequency	2.16 GHz
64-Bit Support	+
Transistor Count	291 Million
Process Technology	65 nm
Max Core Temperature	100 °C
Windows 11 Compatible	-