Ultra 9 285T vs i9-9940X

Primary details

Comparing Core i9-9940X and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking350not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.09no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency10.10no data
Architecture codenameSkylake (server) (2017−2019)Arrow Lake-S (2024−2025)
Release date8 October 2018 (6 years ago)January 2025
Launch price (MSRP)$1,387no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9940X and Core Ultra 9 285T 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)24 (Tetracosa-Core)
Threads2824
Base clock speed3.3 GHz1.4 GHz
Boost clock speed4.5 GHz5.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier33no data
L1 cache896 KB112 KB (per core)
L2 cache14 MB3 MB (per core)
L3 cache19.25 MB (shared)36 MB (shared)
Chip lithography14 nm3 nm
Die size484 mm2243 mm2
Maximum core temperature88 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-9940X and Core Ultra 9 285T 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 configuration1 (Uniprocessor)1
SocketFCLGA20661851
Power consumption (TDP)165 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9940X and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Turbo Boost Max 3.0+no data

Security technologies

Core i9-9940X and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9940X and Core Ultra 9 285T are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9940X and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5 Depends on motherboard
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AArc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Core i9-9940X and Core Ultra 9 285T.

PCIe version3.05.0
PCI Express lanes4420

Pros & cons summary


Physical cores 14 24
Threads 28 24
Chip lithography 14 nm 3 nm
Power consumption (TDP) 165 Watt 35 Watt

i9-9940X has 16.7% more threads.

Ultra 9 285T, on the other hand, has 71.4% more physical cores, a 366.7% more advanced lithography process, and 371.4% lower power consumption.

We couldn't decide between Core i9-9940X and Core Ultra 9 285T. We've got no test results to judge.


Should you still have questions on choice between Core i9-9940X and Core Ultra 9 285T, ask them in Comments section, and we shall answer.

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Intel Core i9-9940X
Core i9-9940X
Intel Core Ultra 9 285T
Core Ultra 9 285T

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Community ratings

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