Ryzen 7 PRO 7840HS vs Ryzen 9 5900

VS

Aggregate performance score

Ryzen 9 5900
2021
12 cores / 24 threads, 65 Watt
21.65
+28.4%
Ryzen 7 PRO 7840HS
2023
8 cores / 16 threads, 35 Watt
16.86

Ryzen 9 5900 outperforms Ryzen 7 PRO 7840HS by a significant 28% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900 and Ryzen 7 PRO 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking242381
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency31.5245.59
Architecture codenameVermeer (2020−2024)Phoenix-HS (Zen 4) (2023)
Release date12 January 2021 (3 years ago)13 June 2023 (1 year ago)

Detailed specifications

Ryzen 9 5900 and Ryzen 7 PRO 7840HS 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3 GHz3.8 GHz
Boost clock speed4.7 GHz5.1 GHz
Multiplier30no data
L1 cache64K (per core)512 KB
L2 cache512K (per core)8 MB
L3 cache64 MB16 MB
Chip lithography7 nm, 12 nm4 nm
Die size81 mm2178 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors4,150 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 5900 and Ryzen 7 PRO 7840HS 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 configuration1no data
SocketAM4FP7/FP8
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900 and Ryzen 7 PRO 7840HS. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900 and Ryzen 7 PRO 7840HS are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Ryzen 7 PRO 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200no data
Maximum memory size128 GBno data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900 and Ryzen 7 PRO 7840HS.

PCIe version4.0no data

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 5900 21.65
+28.4%
Ryzen 7 PRO 7840HS 16.86

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 5900 34397
+28.4%
Ryzen 7 PRO 7840HS 26787

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.

Ryzen 9 5900 2144
Ryzen 7 PRO 7840HS 2230
+4%

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.

Ryzen 9 5900 11108
+3.7%
Ryzen 7 PRO 7840HS 10712

Gaming performance

Pros & cons summary


Performance score 21.65 16.86
Recency 12 January 2021 13 June 2023
Physical cores 12 8
Threads 24 16
Chip lithography 7 nm 4 nm
Power consumption (TDP) 65 Watt 35 Watt

Ryzen 9 5900 has a 28.4% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Ryzen 7 PRO 7840HS, on the other hand, has an age advantage of 2 years, a 75% more advanced lithography process, and 85.7% lower power consumption.

The Ryzen 9 5900 is our recommended choice as it beats the Ryzen 7 PRO 7840HS in performance tests.

Note that Ryzen 9 5900 is a desktop processor while Ryzen 7 PRO 7840HS is a notebook one.


Should you still have questions on choice between Ryzen 9 5900 and Ryzen 7 PRO 7840HS, 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 5900
Ryzen 9 5900
AMD Ryzen 7 PRO 7840HS
Ryzen 7 PRO 7840HS

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.


4.4 107 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.6 58 votes

Rate Ryzen 7 PRO 7840HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 5900 or Ryzen 7 PRO 7840HS, agree or disagree with our judgements, or report an error or mismatch.