Intel Core i9-11900 vs Intel Core i9-11900KB

Physical Specifications

Socket Intel Socket 1200 Intel BGA 1499
Foundry Intel Intel
Process size 14 nm 10 nm
Transistors unknown unknown
Die size unknown unknown
Package FC-LGA1200 FC-BGA1499
tCaseMax 72°C 72°C
tJMax 100°C 100°C

Performance

Frequency 2.5 GHz 3.3 GHz
Turbo clock up to 5.2 GHz up to 5.3 GHz
Base clock 100 MHz 100 MHz
Multiplier 25.0x 33.0x
Multiplier unlocked No Yes
TDP 65 W 65 W

Architecture Details

Vertical Segment Desktop Mobile
Production status Active Active
Release date Mar 16th, 2021 2021
Codename Rocket Lake Tiger Lake-H
Generation Core i9 Core i9
Part unknown unknown
Memory support DDR4-3200 MHz Dual-channel DDR4-3200 MHz
ECC memory No No
PCI Express Gen 4, 20 Lanes(CPU only) Gen 4, 20 Lanes(CPU only)
Chipsets H510, B560, Z590

Cores

Total Cores 8 8
Total Threads 16 16
SMP # CPUs 1 1
Integrated graphics UHD Graphics 750 UHD Graphics 750

Cache

Cache L1 64K (per core) 96K (per core)
Cache L2 512K (per core) 1.25MB (per core)
Cache L3 16MB (shared) 24MB (shared)

Features & Technologies

ABM Yes
ADX Yes
AES-NI Yes Yes
AVX Yes Yes
AVX-512 Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
Boost 3.0 Yes
CLMUL Yes Yes
EIST Yes Yes
F16C Yes Yes
FMA3 Yes Yes
HTT Yes
Intel 64 Yes Yes
MMX Yes Yes
RdRand Yes
SHA Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TBT 2.0 Yes
TBT 3.0 Yes
TSX Yes Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Compare

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