Core i7-3840QM
CPU·Budget

Core i7-3840QM

Intel

PassMark

5,871

3 September 2012 (13 years ago)
45 Watt
Ivy Bridge (2012−2013)

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 i7-3840QM is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,871 points. Launch price was $568.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i7-3840QM is positioned at rank #238 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 i7-3840QM

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98%
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#230
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357%
#232
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344%
#233
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330%
#234
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330%
#235
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#238
Core i7-3840QM
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i7-3840QM specifications and capabilities.

Processing Power

The Core i7-3840QM is a 4-core / 8-thread processor based on the Ivy Bridge (2012−2013) architecture, manufactured on a 22 nm process node. It reaches a maximum boost clock of 3.8 GHz from a base frequency of 2.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB (total) of L3 cache, plus 256K (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 5,871, 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 676.

SpecificationCore i7-3840QM
Cores / ThreadsPhysical/logical processing units4C / 8T
Max Boost ClockPeak single-core speed under boost3.8 GHz
Base ClockGuaranteed minimum operating frequency2.8 GHz
ArchitectureCPU microarchitecture designIvy Bridge (2012−2013)
Process NodeFabrication technology — smaller = more efficient22 nm
L3 CacheShared cache — reduces memory latency for all cores8 MB (total)
L2 CachePer-core fast cache for frequently accessed data256K (per core)
L1 CacheUltra-fast per-core cache64K (per core)
Die SizePhysical silicon area of the processor160 mm2
Transistor CountMore transistors = more capabilities1,400 million
Bus SpeedData bus frequency5 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)105 °C
64-bit SupportYes
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score5,871
Geekbench 6 SingleSingle-core performance — most relevant for gaming676
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Memory & Platform

The Core i7-3840QM fits into the PGA988 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3 memory at speeds up to DDR3-1600 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 32 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: HD Graphics 4000 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i7-3840QM
TypeDesktop or Laptop processorLaptop
SeriesProduct familyIntel Core i7
SocketMotherboard socket requiredPGA988
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR3
Max RAM SpeedMaximum officially supported memory frequencyDDR3-1600
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 4000
Compatible ChipsetsMotherboard chipsets that support this CPUHM75,HM76,HM77,QM77,QS77
Max CPUs in ConfigMulti-socket support for servers1
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Advanced Features

The Core i7-3840QM is primarily designed for Mobile Workstation. Virtualization: VT-x, VT-d, EPT — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the A10-5750M.

SpecificationCore i7-3840QM
Primary Use CaseIntended workload categoryMobile Workstation
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, VT-d, EPT
Direct CompetitorMarket equivalent from rival manufacturerA10-5750M
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Power & Cooling

The Core i7-3840QM has a rated TDP (Thermal Design Power) of 45 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately. Recommended cooling: None.

SpecificationCore i7-3840QM
TDPThermal Design Power — heat output under sustained workload45 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)105 °C
Included CoolerStock cooler bundled in the boxNo
Recommended CoolerSuggested aftermarket cooling solutionNone
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Value Analysis

It currently holds Rank #238 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #1735 out of all indexed processors.

SpecificationCore i7-3840QM
Launch PriceOriginal retail price at launch$568
Cost-Benefit RankPosition in overall value ranking#238
Performance RankPosition in overall performance ranking#1735
Release DateLaunch date3 September 2012 (13 years ago)
Release Year2012
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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