Core i7-6700K
CPU·Budget

Core i7-6700K

Intel

PassMark

8,933

MSRP

$350

AVG Price

$142

5 August 2015 (10 years ago)
91 Watt
Skylake (2015−2016)

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 i7-6700K is manufactured by Intel. It was released in 5 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,933 points. Launch price was $339.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i7-6700K is positioned at rank #677 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 i7-6700K

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
12215%
#2
Core i9-10900T
MSRP: $120|Avg: $5
11542%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
8380%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
2525%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
2000%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
1749%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
1002%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
989%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
900%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
900%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
890%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
866%
#13
Core i3-9100E
MSRP: $202|Avg: $30
854%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
851%
#15
Core i3-8300T
MSRP: $138|Avg: $25
843%
#677
Core i7-6700K
MSRP: $350|Avg: $142
100%
#678
Core i5-4460S
MSRP: $182|Avg: $50
100%
#680
Pentium G3420T
MSRP: $75|Avg: $40
100%
#681
Core i5-3570
MSRP: $194|Avg: $35
100%
#682
Pentium G3450T
MSRP: $75|Avg: $45
99%
#683
Celeron E3200
MSRP: $43|Avg: $5
99%
#684
Core i5-3470
MSRP: $184|Avg: $55
99%
#685
Core i5-3450S
MSRP: $174|Avg: $20
99%
#686
Core i7-5820K
MSRP: $389|Avg: $103
99%
#687
Core i3-4330
MSRP: $138|Avg: $60
99%
#689
Core i7-7700T
MSRP: $303|Avg: $75
97%
#690
Core i3-4150T
MSRP: $117|Avg: $30
97%
#691
Core i7-3770S
MSRP: $250|Avg: $250
97%
#692
Core i7-6800K
MSRP: $434|Avg: $120
97%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i7-6700K specifications and capabilities.

Processing Power

The Core i7-6700K is a 4-core / 8-thread processor based on the Skylake (2015−2016) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4.2 GHz from a base frequency of 4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 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 8,933, placing it in the Budget performance tier as a Legacy generation product.

SpecificationCore i7-6700K
Cores / ThreadsPhysical/logical processing units4C / 8T
Max Boost ClockPeak single-core speed under boost4.2 GHz
Base ClockGuaranteed minimum operating frequency4 GHz
ArchitectureCPU microarchitecture designSkylake (2015−2016)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores8 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 processor122 mm2
Transistor CountMore transistors = more capabilities1750 Million
Bus SpeedData bus frequency4 × 8 GT/s
64-bit SupportYes
Windows 11 CompatibleNo
Unlocked MultiplierWhether the CPU can be overclockedYes (Overclockable)
PassMark ScoreOverall multi-threaded benchmark score8,933
🧠

Memory & Platform

The Core i7-6700K fits into the LGA1151 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3, DDR4 memory at speeds up to DDR4-2133 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 64 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: HD Graphics 530 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i7-6700K
TypeDesktop or Laptop processordesktop
SeriesProduct familyIntel Core i7 (Desktop)
SocketMotherboard socket requiredLGA1151
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, DDR4
Max RAM SpeedMaximum officially supported memory frequencyDDR4-2133
Max RAM CapacityMaximum installable memory64 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorHD Graphics 530
Max CPUs in ConfigMulti-socket support for servers1 (Uniprocessor)
🔧

Advanced Features

The Core i7-6700K is primarily designed for Desktop. It features an unlocked multiplier, allowing enthusiasts to overclock beyond stock frequencies for additional performance. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

SpecificationCore i7-6700K
Primary Use CaseIntended workload categoryDesktop
OverclockingWhether CPU clock can be manually increased✅ Unlocked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, VT-d
🌡️

Power & Cooling

The Core i7-6700K has a rated TDP (Thermal Design Power) of 91 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationCore i7-6700K
TDPThermal Design Power — heat output under sustained workload91 Watt
💰

Value Analysis

At an average price of $142 (MSRP: $350), the Core i7-6700K delivers 63 PassMark points per dollar. It currently holds Rank #677 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #1383 out of all indexed processors.

SpecificationCore i7-6700K
MSRPManufacturer's Suggested Retail Price$350
Avg Price (30d)Average market price over the last 30 days$142
Launch PriceOriginal retail price at launch$339
Cost-Benefit RankPosition in overall value ranking#677
Performance RankPosition in overall performance ranking#1383
Release DateLaunch date5 August 2015 (10 years ago)
Release Year2015
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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