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Intel Core i7-4790K

vs

Intel Core i5-9400F

CPU Comparison Result

Below are the results of a comparison of Intel Core i7-4790K and Intel Core i5-9400F processors based on key performance characteristics, as well as power consumption and much more.

Advantages

Intel Core i7-4790K

Higher Max Turbo Frequency: up to 4.4 GHz (up to 4.4 GHz vs 4.10 GHz)
Newer PCI Express Version: Gen 3, 16 Lanes (CPU only) (Gen 3, 16 Lanes (CPU only) vs 3.0)

Intel Core i5-9400F

More Total Cores: 6 (4 vs 6)
Larger L3 Cache: 9 MB (8 MB (shared) vs 9 MB)
Higher Technology: 14 nm (22 nm vs 14 nm)
Higher Memory Type: DDR4-2666 (DDR3 vs DDR4-2666)
Newer Launch Date: January 2019 (May 2014 vs January 2019)

Basic

Intel

Label Name

Intel

May 2014

Launch Date

January 2019

Desktop

Platform

Desktop

Core i7-4790K

Model Name

i5-9400F

Haswell

Code Name

Coffee Lake

Core i7 (Haswell)

Generation

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).

Total Threads

4 GHz

Basic Frequency

2.90 GHz

Intel Virtualization Technology (VT-x)

Yes

Intel Virtualization Technology for Directed I/O (VT-d)

Yes

up to 4.4 GHz

Max Turbo Frequency

4.10 GHz

Enhanced Intel SpeedStep Technology

Yes

Intel Hyper-Threading Technology

Intel Turbo Boost Technology

2.0

Intel Turbo Boost Technology 2.0 Frequency

4.10 GHz

64 KB (per core)

L1 Cache

256 KB (per core)

L2 Cache

8 MB (shared)

L3 Cache

9 MB

100 MHz

Bus Frequency

Cache

9 MB Intel® Smart Cache

Intel Socket 1150

CPU Socket

The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.

FCLGA1151

40.0x

Multiplier

Yes

Multiplier Unlocked

Intel AES New Instructions

Yes

22 nm

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

88 W

TDP

65 W

Max. Operating Temperature

Junction Temperature is the maximum temperature allowed at the processor die.

100°C

Gen 3, 16 Lanes (CPU only)

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

Max 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.

Instruction Set

An instruction set architecture (ISA) defines the instructions a processor can execute. Common architectures include x86-64, ARM and RISC-V. The ISA determines software compatibility, while optional instruction extensions add specialized capabilities.

64-bit

Intel 64

Yes

Intel VT-x with Extended Page Tables (EPT)

Yes

PCI Express Configurations

PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.

Up to 1x16 | 2x8 | 1x8+2x4

1,400 million

Transistor Count

Memory Specifications

DDR3

Memory Type

DDR4-2666

Max Memory Size

Max memory size refers to the maximum memory capacity supported by the processor.

128 GB

Dual-channel

Memory Channels

The number of memory channels refers to the bandwidth operation for real world application.

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).

41.6 GB/s

ECC Memory Support

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.

GPU Specifications

Intel HD 4600

Integrated Graphics Model

An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.

Miscellaneous

Intel Standard Manageability (ISM)

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2

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

Intel Boot Guard

Yes

Intel OS Guard

Yes