Core i9-7940X
CPU·Mid-Range

Core i9-7940X

Intel

PassMark

25,452

MSRP

$1399

AVG Price

$275

1 September 2017 (8 years ago)
165 Watt
Skylake (server) (2017−2018)

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 i9-7940X is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.1 GHz, with boost up to 4.4 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,452 points. Launch price was $1,399.

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 i9-7940X

#418
Pentium G6960
MSRP: $89|Avg: $15
103%
#419
Ryzen 5 5600X3D
MSRP: $229|Avg: $229
103%
#420
Core i7-5820K
MSRP: $389|Avg: $103
103%
#421
Celeron G555
MSRP: $52|Avg: $15
103%
#422
Core i5-6400
MSRP: $182|Avg: $57
103%
#423
Core i3-9350KF
MSRP: $173|Avg: $80
103%
#424
Ryzen 7 PRO 5755GE
MSRP: $220|Avg: $220
102%
#425
Core i3-9300
MSRP: $143|Avg: $75
102%
#426
Ryzen 7 3800XT
MSRP: $399|Avg: $249
102%
#427
Core i3-4370
MSRP: $149|Avg: $41
102%
#428
Pentium G2120
MSRP: $86|Avg: $20
101%
#429
Core i7-4930K
MSRP: $670|Avg: $100
101%
#430
Pentium D 950
MSRP: $637|Avg: $10
101%
#431
Core i5-11400T
MSRP: $182|Avg: $140
101%
#432
Core i5-4460S
MSRP: $182|Avg: $50
100%
#433
Core i9-7940X
MSRP: $1399|Avg: $275
100%
#434
Core i3-10305
MSRP: $149|Avg: $100
100%
#435
Phenom X4 9600B
MSRP: $278|Avg: $20
100%
#436
Core i3-9320
MSRP: $154|Avg: $80
99%
#437
Core i5-2550K
MSRP: $235|Avg: $46
99%
#438
Ryzen Threadripper 1950X
MSRP: $999|Avg: $300
99%
#439
Core i3-10105
MSRP: $122|Avg: $90
99%
#440
Core i7-4771
MSRP: $320|Avg: $78
99%
#441
Core i3-13100E
MSRP: $150|Avg: $150
99%
#442
Core i9-13900F
MSRP: $524|Avg: $536
99%
#443
Athlon 64 X2 6000+
MSRP: $450|Avg: $20
99%
#444
Pentium G840
MSRP: $64|Avg: $15
98%
#445
Processor 300
MSRP: $82|Avg: $80
98%
#446
Ryzen 7 7800X3D
MSRP: $449|Avg: $378.13
98%
#447
Ryzen 5 2600
MSRP: $199|Avg: $145
98%
#448
Core i3-4170
MSRP: $117|Avg: $40
98%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i9-7940X specifications and capabilities.

Processing Power

The Core i9-7940X is a 14-core / 28-thread processor based on the Skylake (server) (2017−2018) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4.4 GHz from a base frequency of 3.1 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 19.25 MB (total) of L3 cache, plus 1 MB (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 25,452, placing it in the High-End performance tier as a Legacy generation product.

SpecificationCore i9-7940X
Cores / ThreadsPhysical/logical processing units14C / 28T
Max Boost ClockPeak single-core speed under boost4.4 GHz
Base ClockGuaranteed minimum operating frequency3.1 GHz
ArchitectureCPU microarchitecture designSkylake (server) (2017−2018)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores19.25 MB (total)
L2 CachePer-core fast cache for frequently accessed data1 MB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
Die SizePhysical silicon area of the processor484 mm2
Bus SpeedData bus frequency4 × 8 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)102 °C
64-bit SupportYes
Windows 11 CompatibleYes
Unlocked MultiplierWhether the CPU can be overclockedYes (Overclockable)
PassMark ScoreOverall multi-threaded benchmark score25,452
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Memory & Platform

The Core i9-7940X fits into the LGA2066 socket and supports PCIe 3.0. It supports DDR4-2666 memory.

SpecificationCore i9-7940X
TypeDesktop or Laptop processordesktop
SeriesProduct familyIntel Core i9
SocketMotherboard socket requiredLGA2066
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
RAM TypeSupported memory standardDDR4-2666
Max CPUs in ConfigMulti-socket support for servers1 (Uniprocessor)
🌡️

Power & Cooling

The Core i9-7940X has a rated TDP (Thermal Design Power) of 165 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationCore i9-7940X
TDPThermal Design Power — heat output under sustained workload165 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)102 °C
💰

Value Analysis

At an average price of $275 (MSRP: $1399), the Core i9-7940X delivers 93 PassMark points per dollar. Performance ranking position: #558 out of all indexed processors.

SpecificationCore i9-7940X
MSRPManufacturer's Suggested Retail Price$1399
Avg Price (30d)Average market price over the last 30 days$275
Launch PriceOriginal retail price at launch$1,399
Performance RankPosition in overall performance ranking#558
Release DateLaunch date1 September 2017 (8 years ago)
Release Year2017
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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