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

#280
Athlon Silver 3050GE
MSRP: $75|Avg: $65
384%
#280
Core i7-7820X
MSRP: $599|Avg: $198
158%
#281
Core i7-9700E
MSRP: $259|Avg: $180
384%
#282
Core i7-11700K
MSRP: $399|Avg: $350
383%
#283
Ryzen 7 PRO 3700
MSRP: $329|Avg: $330
379%
#283
Ryzen Threadripper 1920
MSRP: $799|Avg: $200
152%
#284
Ryzen Threadripper 1950X
MSRP: $999|Avg: $300
151%
#284
Core i7-14701E
MSRP: $392|Avg: $380
378%
#285
Core i5-10400
MSRP: $182|Avg: $175
377%
#286
Core i3-12100
MSRP: $122|Avg: $180
376%
#287
Core Ultra 9 285T
MSRP: $549|Avg: $549
370%
#288
Ryzen Threadripper 1950
MSRP: $999|Avg: $300
121%
#288
Core i5-12500TE
MSRP: $225|Avg: $225
367%
#289
Athlon Silver PRO 3125GE
MSRP: $108|Avg: $70
364%
#290
Core i9-10900KF
MSRP: $509|Avg: $336
364%
#291
Core i9-7900X
MSRP: $999|Avg: $188
115%
#291
Core i9-14900T
MSRP: $549|Avg: $577
364%
#292
Core i5-13500T
MSRP: $342|Avg: $342
364%
#293
Core i3-10300
MSRP: N/A|Avg: $140.49
364%
#294
Core i9-10900F
MSRP: $464|Avg: $300
363%
#294
Core i9-7920X
MSRP: $1199|Avg: $236
108%
#295
Ryzen 7 5800X3D
MSRP: $449|Avg: $429
363%
#295
Core i9-7940X
MSRP: $1399|Avg: $275
100%
#296
Core i7-9700F
MSRP: $323|Avg: $200
362%
#297
Ryzen Threadripper 9960X
MSRP: $1499|Avg: $1419
360%
#298
Core i9-7960X
MSRP: $1699|Avg: $185
91%
#298
Core i5-9500F
MSRP: $187|Avg: $154
356%
#299
Core i9-7980XE
MSRP: $1999|Avg: $300
81%
#299
Core i9-11900KB
MSRP: $539|Avg: $350
356%
#300
Core i7-10700F
MSRP: $310|Avg: $250
355%
#301
Core i7-10700T
MSRP: $355|Avg: $200
354%
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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