Intel Core i9-10900K vs Intel Core i9-10940X

Table of Contents

Physical Specifications

Socket Intel Socket 1200 Intel Socket 2066
Foundry Intel Intel
Process size 14 nm 14 nm
Transistors unknown unknown
Die size 206 mm² unknown
Package FC-LGA1200 FC-LGA2066
tCaseMax 72°C
tJMax 100°C

Performance

Frequency 3.7 GHz 3.3 GHz
Turbo clock up to 5.3 GHz up to 4.8 GHz
Base clock 100 MHz 100 MHz
Multiplier 37.0x 33.0x
Multiplier unlocked Yes Yes
TDP 125 W 165 W
PL1 125 W
PL2 250 W
FP32 1,696.0 GFLOPS 2,150.4 GFLOPS

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Apr 30th, 2020 Oct 19th, 2019
Codename Comet Lake Cascade Lake-X
Generation Core i9 Core i9 Extreme
Part SRH91 unknown
Memory support DDR4-2933 MHz Dual-channel DDR4 Quad-channel
ECC memory No No
PCI Express Gen 3, 16 Lanes(CPU only) Gen 3
Chipsets H410, B460, H470, Z490

Cores

Total Cores 10 14
Total Threads 20 28
SMP # CPUs 1 1
Integrated graphics UHD Graphics 630

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 1MB (per core)
Cache L3 20MB (shared) 19.25MB (shared)

Features & Technologies

ABM Yes
ADX Yes
AES-NI Yes Yes
AVX Yes Yes
AVX-512 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
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
TVB 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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