Ultra 9 285T vs i9-9900

VS

Primary details

Comparing Core i9-9900 and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking751not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.90no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency15.02no data
Architecture codenameCoffee Lake-R (2018−2019)Arrow Lake-S (2024−2025)
Release date23 April 2019 (5 years ago)January 2025
Launch price (MSRP)$439no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900 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 cores8 (Octa-Core)24 (Tetracosa-Core)
Threads1624
Base clock speed3.1 GHz1.4 GHz
Boost clock speed5 GHz5.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache64K (per core)112 KB (per core)
L2 cache256K (per core)3 MB (per core)
L3 cache16 MB (shared)36 MB (shared)
Chip lithography14 nm3 nm
Die sizeno data243 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i9-9900 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
SocketFCLGA11511851
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900 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® AVX2no data
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
SIPP+-

Security technologies

Core i9-9900 and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900 and Core Ultra 9 285T are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900 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 channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Arc Xe2 Graphics 64EU
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-9900 and Core Ultra 9 285T integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900 and Core Ultra 9 285T integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i9-9900 and Core Ultra 9 285T integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900 and Core Ultra 9 285T.

PCIe version3.05.0
PCI Express lanes1620

Pros & cons summary


Physical cores 8 24
Threads 16 24
Chip lithography 14 nm 3 nm
Power consumption (TDP) 65 Watt 35 Watt

Ultra 9 285T has 200% more physical cores and 50% more threads, a 366.7% more advanced lithography process, and 85.7% lower power consumption.

We couldn't decide between Core i9-9900 and Core Ultra 9 285T. We've got no test results to judge.


Should you still have questions on choice between Core i9-9900 and Core Ultra 9 285T, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-9900
Core i9-9900
Intel Core Ultra 9 285T
Core Ultra 9 285T

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4 390 votes

Rate Core i9-9900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.6 5 votes

Rate Core Ultra 9 285T on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900 or Core Ultra 9 285T, agree or disagree with our judgements, or report an error or mismatch.