Core i3-2125
CPU·Budget

Core i3-2125

Intel

PassMark

2,082

MSRP

$134

AVG Price

$15

4 September 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 i3-2125 is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 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: 2,082 points. Launch price was $170.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i3-2125 is positioned at rank #892 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 i3-2125

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
20059%
#2
Core i9-10900T
MSRP: $120|Avg: $5
18954%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
13762%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
4146%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
3284%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
2873%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1645%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
1624%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1479%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1479%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1462%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1423%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1403%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1397%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1384%
#299
Core i9-7980XE
MSRP: $1999|Avg: $300
95%
#891
Pentium G6951
MSRP: $89|Avg: $50
100%
#892
Core i3-2125
MSRP: $134|Avg: $15
100%
#894
Celeron G1820
MSRP: $110|Avg: $15
99%
#895
Celeron E1600
MSRP: $53|Avg: $10
99%
#896
Athlon II X2 270u
MSRP: $68|Avg: $10
99%
#897
Core i5-4570TE
MSRP: $202|Avg: $40
98%
#898
Core i3-2130
MSRP: $138|Avg: $138
96%
#901
Core i3-6100E
MSRP: $225|Avg: $50
95%
#902
Core i3-4330TE
MSRP: $138|Avg: $15
94%
#903
Pentium E5700
MSRP: $75|Avg: $15
94%
#905
Athlon II X3 420e
MSRP: $107|Avg: $15
94%
#906
Celeron E1500
MSRP: $53|Avg: $5
93%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i3-2125 specifications and capabilities.

Processing Power

The Core i3-2125 is a 2-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 3.3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 3 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 2,082, 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 499.

SpecificationCore i3-2125
Cores / ThreadsPhysical/logical processing units2C / 4T
Max Boost ClockPeak single-core speed under boost3.3 GHz
Base ClockGuaranteed minimum operating frequency3.3 GHz
ArchitectureCPU microarchitecture designSandy Bridge (2011−2013)
Process NodeFabrication technology — smaller = more efficient32 nm
L3 CacheShared cache — reduces memory latency for all cores3 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 processor131 mm2
Transistor CountMore transistors = more capabilities504 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 score2,082
Geekbench 6 SingleSingle-core performance — most relevant for gaming499
🧠

Memory & Platform

The Core i3-2125 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: HD Graphics 3000 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i3-2125
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 processorHD Graphics 3000
Compatible ChipsetsMotherboard chipsets that support this CPUH61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

The Core i3-2125 is primarily designed for Budget Desktop. Virtualization: VT-x, EPT — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the A8-3850.

SpecificationCore i3-2125
Primary Use CaseIntended workload categoryBudget Desktop
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, EPT
Direct CompetitorMarket equivalent from rival manufacturerA8-3850
🌡️

Power & Cooling

The Core i3-2125 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: Stock.

SpecificationCore i3-2125
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 solutionStock
💰

Value Analysis

At an average price of $15 (MSRP: $134), the Core i3-2125 delivers 139 PassMark points per dollar. It currently holds Rank #892 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2549 out of all indexed processors.

SpecificationCore i3-2125
MSRPManufacturer's Suggested Retail Price$134
Avg Price (30d)Average market price over the last 30 days$15
Launch PriceOriginal retail price at launch$170
Cost-Benefit RankPosition in overall value ranking#892
Performance RankPosition in overall performance ranking#2549
Release DateLaunch date4 September 2011 (14 years ago)
Release Year2011
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

Our Recommendation for Core i3-2125

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