Core i5-2405S
CPU·Budget

Core i5-2405S

Intel

PassMark

3,397

MSRP

$309

AVG Price

$120

22 May 2011 (14 years ago)
65 Watt
Sandy Bridge (2011−2013)

Performance Spectrum - CPU

About PassMark

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 Core i5-2405S is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 3,397 points. Launch price was $472.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i5-2405S is positioned at rank #981 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 i5-2405S

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
28364%
#2
Core i9-10900T
MSRP: $120|Avg: $5
26801%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
19460%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
5862%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
4644%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
4062%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
2327%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
2296%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
2091%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
2091%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
2067%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
2011%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1983%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1975%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1957%
#304
Core i7-6950X
MSRP: $1723|Avg: $180
93%
#981
Core i5-2405S
MSRP: $309|Avg: $120
100%
#982
Celeron 420
MSRP: $39|Avg: $15
99%
#983
Athlon II X4 615e
MSRP: $186|Avg: $30
99%
#984
Athlon X2 BE-2350
MSRP: $90|Avg: $10
99%
#985
Core 2 Quad Q8300
MSRP: $179|Avg: $10
97%
#986
Core i7-860
MSRP: $284|Avg: $30
96%
#987
Core i7-870
MSRP: $300|Avg: $80
96%
#988
Athlon 64 X2 5000+
MSRP: $136|Avg: $42
95%
#989
Core i3-6102E
MSRP: $225|Avg: $35
95%
#990
Pentium Dual-Core E2160
MSRP: $84|Avg: $5
95%
#991
Pentium Dual-Core E2210
MSRP: $98|Avg: $15
93%
#992
Core 2 Duo E7500
MSRP: $113|Avg: $10
93%
#993
Core 2 Quad Q9505
MSRP: $213|Avg: $150
93%
#996
Core i7-930
MSRP: $294|Avg: $20
93%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i5-2405S specifications and capabilities.

Processing Power

The Core i5-2405S is a 4-core / 4-thread processor based on the Sandy Bridge (2011−2013) architecture, manufactured on a 32 nm process node. It reaches a maximum boost clock of 3.3 GHz from a base frequency of 2.5 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 6 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 3,397, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 557, while multi-core reaches 1,480.

SpecificationCore i5-2405S
Cores / ThreadsPhysical/logical processing units4C / 4T
Max Boost ClockPeak single-core speed under boost3.3 GHz
Base ClockGuaranteed minimum operating frequency2.5 GHz
ArchitectureCPU microarchitecture designSandy Bridge (2011−2013)
Process NodeFabrication technology — smaller = more efficient32 nm
L3 CacheShared cache — reduces memory latency for all cores6 MB (total)
L2 CachePer-core fast cache for frequently accessed data256 kB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
Die SizePhysical silicon area of the processor216 mm2
Transistor CountMore transistors = more capabilities1,160 million
Bus SpeedData bus frequency5 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)69 °C
64-bit SupportYes
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score3,397
Geekbench 6 SingleSingle-core performance — most relevant for gaming557
Geekbench 6 MultiMulti-core parallel workload performance1,480
🧠

Memory & Platform

The Core i5-2405S fits into the LGA1155 socket and supports PCIe 2.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3 memory at speeds up to DDR3-1333 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 32 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: Intel HD Graphics 3000 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i5-2405S
TypeDesktop or Laptop processordesktop
SocketMotherboard socket requiredLGA1155
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 2.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR3
Max RAM SpeedMaximum officially supported memory frequencyDDR3-1333
Max RAM CapacityMaximum installable memory32 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorIntel HD Graphics 3000
Compatible ChipsetsMotherboard chipsets that support this CPUH61,B65,Q65,H67,P67,Z68,B75,Z77
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

The Core i5-2405S is primarily designed for Budget. Virtualization: VT-x / EPT — enables running virtual machines efficiently (important for development and server workloads).

SpecificationCore i5-2405S
Primary Use CaseIntended workload categoryBudget
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x / EPT
🌡️

Power & Cooling

The Core i5-2405S has a rated TDP (Thermal Design Power) of 65 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the Yes stock cooler. Recommended cooling: Tower 92mm.

SpecificationCore i5-2405S
TDPThermal Design Power — heat output under sustained workload65 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)69 °C
Included CoolerStock cooler bundled in the boxYes
Recommended CoolerSuggested aftermarket cooling solutionTower 92mm
💰

Value Analysis

At an average price of $120 (MSRP: $309), the Core i5-2405S delivers 28 PassMark points per dollar. It currently holds Rank #981 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2137 out of all indexed processors.

SpecificationCore i5-2405S
MSRPManufacturer's Suggested Retail Price$309
Avg Price (30d)Average market price over the last 30 days$120
Launch PriceOriginal retail price at launch$472
Cost-Benefit RankPosition in overall value ranking#981
Performance RankPosition in overall performance ranking#2137
Release DateLaunch date22 May 2011 (14 years ago)
Release Year2011
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

Our Recommendation for Core i5-2405S

Suggested pairings based on performance balance

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