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 i7-3960X Extreme Edition is manufactured by Intel. It was released in 14 November 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 6 cores and 12 threads. Max frequency: 3.3 GHz. L3 cache: 15 MB. L2 cache: 1,536 kB. Built on 32 nm process technology. Thermal design power (TDP): 130 Watt. Passmark benchmark score: 12,460 points. Launch price was $149.

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 Core i7-3960X Extreme Edition

#496

Ryzen 5 1600

MSRP: $219|Avg: $144

103%

#497

Celeron G550

MSRP: $52|Avg: $15

102%

#498

Ryzen 5 1400

MSRP: $169|Avg: $91

102%

#499

Core i5-750

MSRP: $210|Avg: $30

102%

#500

Core i7-8700B

MSRP: $303|Avg: $139

102%

#501

Core i7-8700K

MSRP: $359|Avg: $160

102%

#502

Core i5-3470

MSRP: $184|Avg: $55

102%

#503

Ryzen 3 PRO 5350GE

MSRP: $149|Avg: N/A

102%

#504

Core i7-7700

MSRP: $272|Avg: $102

102%

#505

Pentium G3460

MSRP: $149|Avg: $25

102%

#506

Core i5-4670

MSRP: $213|Avg: $65

102%

#507

FX-6350

MSRP: $132|Avg: $55

102%

#508

Ryzen 3 2200G

MSRP: $99|Avg: $80

101%

#509

Core i3-9100F

MSRP: $97|Avg: $80

101%

#510

Ryzen 9 3900XT

MSRP: $499|Avg: $390

100%

#511

Core i7-3960X Extreme Edition

MSRP: $990|Avg: $150

100%

#512

Core i5-7640X

MSRP: $249|Avg: $85

100%

#513

FX-8320E

MSRP: $147|Avg: $60

100%

#514

Ryzen 3 PRO 8300G

MSRP: $176|Avg: $176

99%

#515

Pentium G645T

MSRP: $64|Avg: $15

99%

#516

Core i3-4360T

MSRP: $138|Avg: $40

99%

#517

Pentium G4500

MSRP: $75|Avg: $34

99%

#518

Core i7-14700T

MSRP: $384|Avg: $384

99%

#519

Core i3-13100TE

MSRP: $137|Avg: $137

99%

#520

Core i5-6500TE

MSRP: $192|Avg: $60

99%

#521

FX-8100

MSRP: $300|Avg: $50

99%

#522

Celeron E1600

MSRP: $53|Avg: $10

98%

#523

Core i5-9600T

MSRP: $213|Avg: $118

98%

#524

Celeron E3400

MSRP: $53|Avg: $15

98%

#525

Core i5-7600K

MSRP: $217|Avg: $84

98%

#526

Core i5-12400T

MSRP: $192|Avg: $192

97%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Core i7-3960X Extreme Edition across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Core i7-3960X Extreme Edition specifications and capabilities.

⚡

Processing Power

The Core i7-3960X Extreme Edition is a 6-core / 12-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— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 15 MB of L3 cache, plus 1,536 kB of L2 cache. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 12,460, placing it in the Budget performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 800.

Specification	Core i7-3960X Extreme Edition
Cores / ThreadsPhysical/logical processing units	6C / 12T
Max Boost ClockPeak single-core speed under boost	3.3 GHz
ArchitectureCPU microarchitecture design	Sandy Bridge (2011−2013)
Process NodeFabrication technology — smaller = more efficient	32 nm
L3 CacheShared cache — reduces memory latency for all cores	15 MB
L2 CachePer-core fast cache for frequently accessed data	1,536 kB
Die SizePhysical silicon area of the processor	434.72 mm2
Transistor CountMore transistors = more capabilities	2270 Million
Bus SpeedData bus frequency	5 GT/s
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	12,460
Geekbench 6 SingleSingle-core performance — most relevant for gaming	800

🧠

Memory & Platform

Integrated graphics: None — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Core i7-3960X Extreme Edition
TypeDesktop or Laptop processor	desktop
SeriesProduct family	Intel Core i7EE
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 2.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	40
Max RAM SpeedMaximum officially supported memory frequency	DDR3-1600
Max RAM CapacityMaximum installable memory	64 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	4
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	None
Compatible ChipsetsMotherboard chipsets that support this CPU	X79
Max CPUs in ConfigMulti-socket support for servers	1 (Uniprocessor)

🔧

Advanced Features

The Core i7-3960X Extreme Edition is primarily designed for HEDT Desktop. It features an unlocked multiplier, allowing enthusiasts to overclock beyond stock frequencies for additional performance. Virtualization: VT-x, VT-d, EPT — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the FX-8350.

Specification	Core i7-3960X Extreme Edition
Primary Use CaseIntended workload category	HEDT Desktop
OverclockingWhether CPU clock can be manually increased	✅ Unlocked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	VT-x, VT-d, EPT
Direct CompetitorMarket equivalent from rival manufacturer	FX-8350

🌡️

Power & Cooling

The Core i7-3960X Extreme Edition has a rated TDP (Thermal Design Power) of 130 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: Aftermarket.

Specification	Core i7-3960X Extreme Edition
TDPThermal Design Power — heat output under sustained workload	130 Watt
Included CoolerStock cooler bundled in the box	No
Recommended CoolerSuggested aftermarket cooling solution	Aftermarket

💰

Value Analysis

At an average price of $150 (MSRP: $990), the Core i7-3960X Extreme Edition delivers 83 PassMark points per dollar. Performance ranking position: #1387 out of all indexed processors.

Specification	Core i7-3960X Extreme Edition
MSRPManufacturer's Suggested Retail Price	$990
Avg Price (30d)Average market price over the last 30 days	$150
Launch PriceOriginal retail price at launch	$149
Performance RankPosition in overall performance ranking	#1387
Release DateLaunch date	14 November 2011 (14 years ago)
Release Year	2011
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	desktop
Series	Intel Core i7EE
Designer	Intel
Launch Price	$149
Release Date	14 November 2011 (14 years ago)
Architecture Codename	Sandy Bridge (2011−2013)
Performance Ranking Position	1387

Technical Specifications

13 specs

Cores	6
Threads	12
Bus Type	DMI 2.0
Die Size	434.72 mm2
L2 Cache	1,536 kB
L3 Cache	15 MB
Bus Speed	5 GT/s
Multiplier	33
Max Frequency	3.3 GHz
64-Bit Support	+
Transistor Count	2270 Million
Process Technology	32 nm
Windows 11 Compatible	-