Ryzen 7 8840HS vs Ryzen 5 8540U

Aggregate performance score

Ryzen 5 8540U
2023
6 cores / 12 threads, 28 Watt
11.71
Ryzen 7 8840HS
2023
8 cores / 16 threads, 28 Watt
15.44
+31.9%

Ryzen 7 8840HS outperforms Ryzen 5 8540U by a substantial 32% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 5 8540U and Ryzen 7 8840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking661446
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Power efficiency39.5852.19
Architecture codenameHawk Point-U (Zen 4 + Zen 4c) (2023)Hawk Point-HS (Zen 4) (2023−2024)
Release date6 December 2023 (less than a year ago)6 December 2023 (less than a year ago)

Detailed specifications

Ryzen 5 8540U and Ryzen 7 8840HS 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed3.2 GHz3.3 GHz
Boost clock speed4.9 GHz5.1 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography4 nm4 nm
Die size137 mm2178 mm2
Maximum core temperature100 °C100 °C
Number of transistors20,900 million25,000 million
64 bit support++

Compatibility

Information on Ryzen 5 8540U and Ryzen 7 8840HS 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 configuration11
SocketFP7FP8
Power consumption (TDP)28 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 8540U and Ryzen 7 8840HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsAES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 8540U and Ryzen 7 8840HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 8540U and Ryzen 7 8840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 740MAMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 8540U and Ryzen 7 8840HS.

PCIe version4.04.0
PCI Express lanes1420

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 5 8540U 11.71
Ryzen 7 8840HS 15.44
+31.9%

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 5 8540U 18594
Ryzen 7 8840HS 24529
+31.9%

Gaming performance

Pros & cons summary


Performance score 11.71 15.44
Integrated graphics card 8.33 18.31
Physical cores 6 8
Threads 12 16

Ryzen 7 8840HS has a 31.9% higher aggregate performance score, 119.8% faster integrated GPU, and 33.3% more physical cores and 33.3% more threads.

The Ryzen 7 8840HS is our recommended choice as it beats the Ryzen 5 8540U in performance tests.


Should you still have questions on choice between Ryzen 5 8540U and Ryzen 7 8840HS, 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 5 8540U
Ryzen 5 8540U
AMD Ryzen 7 8840HS
Ryzen 7 8840HS

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.


4.6 5 votes

Rate Ryzen 5 8540U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 165 votes

Rate Ryzen 7 8840HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 5 8540U or Ryzen 7 8840HS, agree or disagree with our judgements, or report an error or mismatch.