Intel Core i5-9400T vs Intel Core i7-8559U

Table of Contents

Physical Specifications

Socket Intel Socket 1151 Intel BGA 1356
Foundry Intel Intel
Process size 14 nm 14 nm
Transistors unknown unknown
Die size unknown 123 mm²
Package FC-LGA1151 FC-BGA1356
tCaseMax 72°C 72°C

Performance

Frequency 1800 MHz 2.7 GHz
Turbo clock up to 3.4 GHz up to 4.5 GHz
Base clock 100 MHz 100 MHz
Multiplier 18.0x 27.0x
Multiplier unlocked No No
TDP 35 W 28 W

Architecture Details

Vertical Segment Desktop Mobile
Production status Active Active
Release date Sep 1st, 2018 Apr 5th, 2018
Codename Coffee Lake Kaby Lake-R
Generation Core i5 Core i7
Part SR3X8 unknown
Memory support DDR4-2666 MHz Dual-channel DDR4
ECC memory No No
PCI Express Gen 3, 16 Lanes(CPU only)

Cores

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

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

Compare

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