Ryzen 9 8945HS vs i9-9900X

VS

Aggregate performance score

Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
13.81
Ryzen 9 8945HS
2023
8 cores / 16 threads, 45 Watt
18.74
+35.7%

Ryzen 9 8945HS outperforms Core i9-9900X by a substantial 36% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900X and Ryzen 9 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking534316
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.88no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9no data
Power efficiency7.8939.20
Architecture codenameSkylake (server) (2017−2019)Hawk Point-HS (Zen 4) (2023−2024)
Release date8 October 2018 (6 years ago)6 December 2023 (less than a year ago)
Launch price (MSRP)$989no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900X and Ryzen 9 8945HS 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 cores10 (Deca-Core)8 (Octa-Core)
Threads2016
Base clock speed3.5 GHz4 GHz
Boost clock speed4.5 GHz5.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache640 KB64 KB (per core)
L2 cache10 MB1 MB (per core)
L3 cache19.25 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data178 mm2
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-9900X and Ryzen 9 8945HS 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
SocketFCLGA2066FP8
Power consumption (TDP)165 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Ryzen 9 8945HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i9-9900X and Ryzen 9 8945HS technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Ryzen 9 8945HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Ryzen 9 8945HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5
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/AAMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core i9-9900X and Ryzen 9 8945HS.

PCIe version3.04.0
PCI Express lanes4420

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-9900X 13.81
Ryzen 9 8945HS 18.74
+35.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-9900X 21853
Ryzen 9 8945HS 29663
+35.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9900X 1454
Ryzen 9 8945HS 2372
+63.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9900X 9320
Ryzen 9 8945HS 11598
+24.4%

Gaming performance

Pros & cons summary


Performance score 13.81 18.74
Recency 8 October 2018 6 December 2023
Physical cores 10 8
Threads 20 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 165 Watt 45 Watt

i9-9900X has 25% more physical cores and 25% more threads.

Ryzen 9 8945HS, on the other hand, has a 35.7% higher aggregate performance score, an age advantage of 5 years, a 250% more advanced lithography process, and 266.7% lower power consumption.

The Ryzen 9 8945HS is our recommended choice as it beats the Core i9-9900X in performance tests.

Note that Core i9-9900X is a desktop processor while Ryzen 9 8945HS is a notebook one.


Should you still have questions on choice between Core i9-9900X and Ryzen 9 8945HS, 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 i9-9900X
Core i9-9900X
AMD Ryzen 9 8945HS
Ryzen 9 8945HS

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.


3.1 101 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5
4 175 votes

Rate Ryzen 9 8945HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900X or Ryzen 9 8945HS, agree or disagree with our judgements, or report an error or mismatch.