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Overview

The Core i5-520UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.07 GHz, with boost up to 1.87 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,943 points. Launch price was $241.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i5-520UM is positioned at rank #130 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 Core i5-520UM

#36

Core i5-11500B

MSRP: $185|Avg: $185

95%

#118

Atom x5-Z8300

MSRP: $20|Avg: N/A

302%

#119

Atom Z3735G

MSRP: $17|Avg: N/A

298%

#120

Core i5-480M

MSRP: $81|Avg: $77

273%

#121

Core i5-460M

MSRP: $80|Avg: $129

272%

#122

Core i5-2540M

MSRP: $266|Avg: $10

269%

#124

Core i5-450M

MSRP: $32|Avg: $31

260%

#125

Core i3-380M

MSRP: $49|Avg: $25

250%

#126

Core i5-430M

MSRP: N/A|Avg: $33

249%

#127

Core 2 Duo T6600

MSRP: N/A|Avg: $4

242%

#130

Core i5-520UM

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

97%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

97%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

96%

Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i5-520UM specifications and capabilities.

⚡

Processing Power

The Core i5-520UM is a 2-core / 4-thread processor based on the Arrandale (2010−2011) architecture, manufactured on a 32 nm process node. It reaches a maximum boost clock of 1.87 GHz from a base frequency of 1.07 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 3 MB of L3 cache, plus 512 kB of L2 cache and 128 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,943, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Core i5-520UM
Cores / ThreadsPhysical/logical processing units	2C / 4T
Max Boost ClockPeak single-core speed under boost	1.87 GHz
Base ClockGuaranteed minimum operating frequency	1.07 GHz
ArchitectureCPU microarchitecture design	Arrandale (2010−2011)
Process NodeFabrication technology — smaller = more efficient	32 nm
L3 CacheShared cache — reduces memory latency for all cores	3 MB
L2 CachePer-core fast cache for frequently accessed data	512 kB
L1 CacheUltra-fast per-core cache	128 kB
Die SizePhysical silicon area of the processor	81+114 mm2
Transistor CountMore transistors = more capabilities	382+177 Million
Bus SpeedData bus frequency	1 × 2.5 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)	105 °C
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	1,943

🧠

Memory & Platform

The Core i5-520UM fits into the BGA1288 socket and supports PCIe 2.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3-800 memory at speeds up to 800 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 8 across 2 channels (dual-channel doubles bandwidth). Integrated graphics: Intel HD Graphics (Ironlake) — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Core i5-520UM
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	Intel Core i5
SocketMotherboard socket required	BGA1288
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 2.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	16
RAM TypeSupported memory standard	DDR3-800
Max RAM SpeedMaximum officially supported memory frequency	800
Max RAM CapacityMaximum installable memory	8
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	Intel HD Graphics (Ironlake)
Compatible ChipsetsMotherboard chipsets that support this CPU	HM55,HM57,QM57,QS57
Max CPUs in ConfigMulti-socket support for servers	1 (Uniprocessor)

🔧

Advanced Features

Virtualization: true — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Core 2 Duo SU9400.

Specification	Core i5-520UM
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	true
Direct CompetitorMarket equivalent from rival manufacturer	Core 2 Duo SU9400

🌡️

Power & Cooling

The Core i5-520UM has a rated TDP (Thermal Design Power) of 18 Watt — 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	Core i5-520UM
TDPThermal Design Power — heat output under sustained workload	18 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	105 °C
Included CoolerStock cooler bundled in the box	false
Recommended CoolerSuggested aftermarket cooling solution	Laptop Integrated

💰

Value Analysis

It currently holds Rank #130 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3117 out of all indexed processors.

Specification	Core i5-520UM
Launch PriceOriginal retail price at launch	$241
Cost-Benefit RankPosition in overall value ranking	#130
Performance RankPosition in overall performance ranking	#3117
Release DateLaunch date	7 January 2010 (15 years ago)
Release Year	2010
DesignerArchitecture designer (e.g. Intel, AMD)	Intel