i9-12900KF vs i9-10940XE

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Primary details

Comparing Core i9-10940XE and Core i9-12900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated193
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data38.49
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiencyno data19.59
Architecture codenameCascade Lake-X (2019)Alder Lake, Golden Cove, Gracemont (2021)
Release date19 October 2019 (5 years ago)27 October 2021 (3 years ago)
Launch price (MSRP)no data$564

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-10940XE and Core i9-12900KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores14 (Tetradeca-Core)16 (Hexadeca-Core)
Threads2824
Base clock speed3.3 GHz3.2 GHz
Boost clock speed4.8 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data32
L1 cache64K (per core)768 KB
L2 cache1 MB (per core)4 MB
L3 cache19.25 MB (shared)6 MB
Chip lithography14 nmIntel 7 nm
Die sizeno data215.25 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i9-10940XE and Core i9-12900KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
Socket2066FCLGA1700
Power consumption (TDP)165 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10940XE and Core i9-12900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i9-10940XE and Core i9-12900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10940XE and Core i9-12900KF are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10940XE and Core i9-12900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Quad-channelDDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.805 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i9-10940XE and Core i9-12900KF.

PCIe version3.05.0 and 4.0
PCI Express lanesno data20

Pros & cons summary


Recency 19 October 2019 27 October 2021
Physical cores 14 16
Threads 28 24
Power consumption (TDP) 165 Watt 125 Watt

i9-10940XE has 16.7% more threads.

i9-12900KF, on the other hand, has an age advantage of 2 years, 14.3% more physical cores, and 32% lower power consumption.

We couldn't decide between Core i9-10940XE and Core i9-12900KF. We've got no test results to judge.


Should you still have questions on choice between Core i9-10940XE and Core i9-12900KF, ask them in Comments section, and we shall answer.

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Intel Core i9-10940XE
Core i9-10940XE
Intel Core i9-12900KF
Core i9-12900KF

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Community ratings

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