Intel Core i9-9940X X-series

Intel Core i9-9940X X-series

About processor

The Intel Core i9-9940X X-series processor is a powerhouse for desktop computing. With a code name of SkyLake and built on 14 nm technology, this processor boasts an impressive 14 total cores and 28 total threads, making it an ideal choice for demanding tasks such as gaming, video editing, and 3D rendering. The TDP of 165 W ensures that the processor can handle intensive workloads without overheating, providing a stable and reliable performance. In terms of multitasking and parallel computing, the Core i9-9940X excels, allowing users to run multiple applications simultaneously without experiencing any lag or slowdown. The processor's high core and thread count make it a top choice for professionals and enthusiasts who require robust processing power for their work or hobbies. Whether it's content creation, software development, or other CPU-intensive tasks, the Intel Core i9-9940X delivers exceptional performance and responsiveness. Overall, the Intel Core i9-9940X X-series processor is a solid investment for those in need of a high-performance CPU that can handle heavy workloads with ease. Its impressive specs and reliable performance make it a top contender in the desktop processor market.

Basic

Label Name
Intel
Platform
Desktop
Launch Date
October 2018
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
i9-9940X
Code Name
SkyLake

CPU Specifications

Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
14
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
28
Basic Frequency
3.30 GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
4.40 GHz
Intel Turbo Boost Max Technology 3.0 Frequency
?
Intel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom. Intel® Turbo Boost Max Technology 3.0 frequency is the clock frequency of the CPU when running in this mode.
4.50 GHz
Intel Turbo Boost Max Technology 3.0
?
Intel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom.
Yes
Intel Hyper-Threading Technology
?
Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.
Yes
Intel Turbo Boost Technology
?
Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.
2.0
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
FCLGA2066
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
14 nm
TDP
165 W
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
88°C
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
3.0
Number of PCI Express Lanes
?
A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.
44
Intel 64
?
Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.
Yes

Memory Specifications

Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR4-2666
Max Memory Size
?
Max memory size refers to the maximum memory capacity supported by the processor.
128 GB
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
4
Bus Speed
8 GT/s
Max Memory Bandwidth
?
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
85 GB/s
ECC Memory Supported
?
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
No

Miscellaneous

Intel Virtualization Technology for Directed I/O (VT-d)
?
Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.
Yes
Intel Virtualization Technology (VT-x)
?
Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.
Yes
Intel Standard Manageability (ISM)
?
Intel® Standard Manageability is the manageability solution for Intel vPro® Essentials platforms and is a subset of Intel® AMT with out-of-band management over Ethernet and Wi-Fi, but no KVM or new life cycle management features.
Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2 | Intel® AVX-512
Number of AVX-512 FMA Units
2
Enhanced Intel SpeedStep Technology
?
Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.
Yes
Execute Disable Bit
?
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
Yes
Cache
?
CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.
19.25 MB Intel® Smart Cache
Intel AES New Instructions
?
Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.
Yes

Benchmarks

Geekbench 6
Single Core Score
1432
Geekbench 6
Multi Core Score
6701
Geekbench 5
Single Core Score
1121
Geekbench 5
Multi Core Score
12067

Compared to Other CPU

Geekbench 6 Single Core
1542 +7.7%
1484 +3.6%
1384 -3.4%
1350 -5.7%
Geekbench 6 Multi Core
7611 +13.6%
7123 +6.3%
6330 -5.5%
5883 -12.2%
Geekbench 5 Single Core
1183 +5.5%
1154 +2.9%
1107 -1.2%
1084 -3.3%
Geekbench 5 Multi Core
14537 +20.5%
13046 +8.1%
10169 -15.7%