Intel Core i5-9400F vs Intel Core i7-7740X

Table of Contents

Physical Specifications

Socket Intel Socket 1151 Intel Socket 2066
Foundry Intel Intel
Process size 14 nm 14 nm
Transistors unknown unknown
Die size unknown unknown
Package FC-LGA1151 FC-LGA2066
tCaseMax 72°C 72°C

Performance

Frequency 2.9 GHz 4.3 GHz
Turbo clock up to 4.1 GHz up to 4.6 GHz
Base clock 100 MHz 100 MHz
Multiplier 29.0x 43.0x
Multiplier unlocked No Yes
TDP 65 W 112 W

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Jan 8th, 2019 Jun 26th, 2017
Codename Coffee Lake Kaby Lake-X
Generation Core i5 Core i7
Part BX80684I59400FBXC80684I59400FCM8068403358819SRF6M unknown
Memory support DDR4-2666 MHz Dual-channel DDR4 Quad-channel
ECC memory No No
PCI Express Gen 3, 16 Lanes(CPU only) Gen 3

Cores

Total Cores 6 4
Total Threads 6 8
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 9MB (shared) 8MB (shared)

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
Boost 2.0 Yes Yes
CLMUL Yes Yes
EIST Yes Yes
F16C Yes Yes
FMA3 Yes Yes
HTT Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TSX Yes Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Notes

Notes This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

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