Ryzen Threadripper 5990X vs i9-9900K

Primary details

Comparing Core i9-9900K and Ryzen Threadripper 5990X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking676not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.62no data
Market segmentDesktop processorDesktop processor
SeriesCore i9 (Desktop)no data
Power efficiency11.45no data
Architecture codenameCoffee Lake-R (2018−2019)Chagall
Release date19 October 2018 (6 years ago)no data (2024 years ago)
Launch price (MSRP)$488no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900K and Ryzen Threadripper 5990X 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)64 (Tetrahexaconta-Core)
Threads16128
Base clock speed3.6 GHz2.5 GHz
Boost clock speed5 GHz4.45 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache16 MB (shared)256 MB
Chip lithography14 nm7 nm
Die size178 mm28x 81 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C95 °C
Number of transistorsno data33,200 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Core i9-9900K and Ryzen Threadripper 5990X 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
SocketLGA-1151TRX4
Power consumption (TDP)95 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Ryzen Threadripper 5990X. 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+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Precision Boost 2no data+

Security technologies

Core i9-9900K and Ryzen Threadripper 5990X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
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 i9-9900K and Ryzen Threadripper 5990X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Ryzen Threadripper 5990X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth44.668 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630N/A
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 i9-9900K and Ryzen Threadripper 5990X integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Ryzen Threadripper 5990X 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 i9-9900K and Ryzen Threadripper 5990X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Ryzen Threadripper 5990X.

PCIe version3.04.0
PCI Express lanes16128

Pros & cons summary


Physical cores 8 64
Threads 16 128
Chip lithography 14 nm 7 nm
Power consumption (TDP) 95 Watt 280 Watt

i9-9900K has 194.7% lower power consumption.

Ryzen Threadripper 5990X, on the other hand, has 700% more physical cores and 700% more threads, and a 100% more advanced lithography process.

We couldn't decide between Core i9-9900K and Ryzen Threadripper 5990X. We've got no test results to judge.


Should you still have questions on choice between Core i9-9900K and Ryzen Threadripper 5990X, 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 i9-9900K
Core i9-9900K
AMD Ryzen Threadripper 5990X
Ryzen Threadripper 5990X

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.


3.8 2379 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 30 votes

Rate Ryzen Threadripper 5990X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900K or Ryzen Threadripper 5990X, agree or disagree with our judgements, or report an error or mismatch.