Intel Core i9-11900K vs Intel Core i9-9920X

Physical Specifications

Socket Intel Socket 1200 Intel Socket 2066
Foundry Intel Intel
Process size 14 nm 14 nm
Transistors unknown unknown
Die size unknown unknown
Package FC-LGA1200 FC-LGA2066
tCaseMax 72°C 72°C
tJMax 100°C

Performance

Frequency 3.5 GHz 3.5 GHz
Turbo clock up to 5.3 GHz up to 4.5 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 35.0x
Multiplier unlocked Yes Yes
TDP 125 W 165 W

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Mar 16th, 2021 Oct 19th, 2018
Codename Rocket Lake Skylake-X
Generation Core i9 Core i9
Part unknown BX80673I99920XBXC80673I99920XCD8067304126300SREZ6
Memory support DDR4-3200 MHz Dual-channel DDR4 Quad-channel
ECC memory No No
PCI Express Gen 4, 20 Lanes(CPU only) Gen 3
Chipsets H510, B560, Z590

Cores

Total Cores 8 12
Total Threads 16 24
SMP # CPUs 1 1
Integrated graphics UHD Graphics 750

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 512K (per core) 1MB (per core)
Cache L3 16MB (shared) 19.25MB (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 2.0 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

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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