Ryzen 9 8945HS vs Ryzen 9 5900H

VS

Aggregate performance score

Ryzen 9 5900H
2021
8 cores / 16 threads, 45 Watt
13.43
Ryzen 9 8945HS
2023
8 cores / 16 threads, 45 Watt
19.26
+43.4%

Ryzen 9 8945HS outperforms Ryzen 9 5900H by a considerable 43% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900H and Ryzen 9 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking578312
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency27.2138.99
Architecture codenameCezanne U (Zen 3) (2021−2022)Hawk Point-HS (Zen 4) (2023−2024)
Release date7 January 2021 (3 years ago)6 December 2023 (less than a year ago)

Detailed specifications

Ryzen 9 5900H 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.3 GHz4 GHz
Boost clock speed4.6 GHz5.2 GHz
L1 cache512 KB64 KB (per core)
L2 cache4 MB1 MB (per core)
L3 cache16 MB16 MB (shared)
Chip lithography7 nm4 nm
Die sizeno data178 mm2
Maximum core temperatureno data100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Ryzen 9 5900H 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 configurationno data1
SocketFP6FP8
Power consumption (TDP)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900H and Ryzen 9 8945HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTRyzen 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-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900H and Ryzen 9 8945HS are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900H and Ryzen 9 8945HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000)AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900H and Ryzen 9 8945HS.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Ryzen 9 5900H 13.43
Ryzen 9 8945HS 19.26
+43.4%

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.

Ryzen 9 5900H 20557
Ryzen 9 8945HS 29474
+43.4%

Gaming performance

Pros & cons summary


Performance score 13.43 19.26
Integrated graphics card 9.02 18.28
Recency 7 January 2021 6 December 2023
Chip lithography 7 nm 4 nm

Ryzen 9 8945HS has a 43.4% higher aggregate performance score, 102.7% faster integrated GPU, an age advantage of 2 years, and a 75% more advanced lithography process.

The Ryzen 9 8945HS is our recommended choice as it beats the Ryzen 9 5900H in performance tests.


Should you still have questions on choice between Ryzen 9 5900H 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.


AMD Ryzen 9 5900H
Ryzen 9 5900H
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.


4 23 votes

Rate Ryzen 9 5900H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 155 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 Ryzen 9 5900H or Ryzen 9 8945HS, agree or disagree with our judgements, or report an error or mismatch.