Ryzen 7 PRO 7840U vs Ryzen 9 5900HX

VS

Aggregate performance score

Ryzen 9 5900HX
2021
8 cores / 16 threads, 45 Watt
14.16
Ryzen 7 PRO 7840U
2023
8 cores / 16 threads, 28 Watt
15.53
+9.7%

Ryzen 7 PRO 7840U outperforms Ryzen 9 5900HX by a moderate 10% based on our aggregate benchmark results.

Primary details

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

Place in the ranking515449
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency29.7852.49
Architecture codenameCezanne-H (Zen 3) (2021)Phoenix (Zen 4) (2023)
Release date12 January 2021 (3 years ago)3 May 2023 (1 year ago)

Detailed specifications

Ryzen 9 5900HX and Ryzen 7 PRO 7840U 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 GHz3.3 GHz
Boost clock speed4.6 GHz5.1 GHz
Multiplier33no data
L1 cache64K (per core)512 KB
L2 cache512K (per core)8 MB
L3 cache16 MB (shared)16 MB
Chip lithography7 nm4 nm
Die size156 mm2178 mm2
Maximum core temperature105 °C100 °C
Number of transistors9,800 millionno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Ryzen 9 5900HX and Ryzen 7 PRO 7840U 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
SocketFP6no data
Power consumption (TDP)45 Watt28 Watt

Technologies and extensions

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

Instruction set extensionsMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHAno data
AES-NI+-
AVX+-

Virtualization technologies

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

AMD-V+-

Memory specs

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

Supported memory typesDDR4no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)AMD Radeon 780M ( - 2700 MHz)

Peripherals

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

PCIe version3.0no 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 5900HX 14.16
Ryzen 7 PRO 7840U 15.53
+9.7%

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.

Ryzen 9 5900HX 22496
Ryzen 7 PRO 7840U 24670
+9.7%

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.

Ryzen 9 5900HX 1847
Ryzen 7 PRO 7840U 2149
+16.4%

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 5900HX 7603
Ryzen 7 PRO 7840U 9511
+25.1%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 9 5900HX 2106
Ryzen 7 PRO 7840U 2218
+5.3%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 9 5900HX 240
Ryzen 7 PRO 7840U 265
+10.4%

Geekbench 5.5 Multi-Core

Ryzen 9 5900HX 8462
Ryzen 7 PRO 7840U 9968
+17.8%

Blender(-)

Ryzen 9 5900HX 243
+2.5%
Ryzen 7 PRO 7840U 237

Geekbench 5.5 Single-Core

Ryzen 9 5900HX 1539
Ryzen 7 PRO 7840U 1853
+20.4%

7-Zip Single

Ryzen 9 5900HX 5750
Ryzen 7 PRO 7840U 5900
+2.6%

7-Zip

Ryzen 9 5900HX 58664
+0.5%
Ryzen 7 PRO 7840U 58386

WebXPRT 3

Ryzen 9 5900HX 279
Ryzen 7 PRO 7840U 283
+1.4%

CrossMark Overall

Ryzen 9 5900HX 1458
Ryzen 7 PRO 7840U 1595
+9.4%

WebXPRT 4 Overall

Ryzen 9 5900HX 219
Ryzen 7 PRO 7840U 240
+9.6%

Blender v3.3 Classroom CPU(-)

Ryzen 9 5900HX 434
+11.3%
Ryzen 7 PRO 7840U 390

Gaming performance

Pros & cons summary


Performance score 14.16 15.53
Integrated graphics card 9.05 18.32
Recency 12 January 2021 3 May 2023
Chip lithography 7 nm 4 nm
Power consumption (TDP) 45 Watt 28 Watt

Ryzen 7 PRO 7840U has a 9.7% higher aggregate performance score, 102.4% faster integrated GPU, an age advantage of 2 years, a 75% more advanced lithography process, and 60.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 5900HX and Ryzen 7 PRO 7840U.


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

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 1032 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 50 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

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