Ryzen 7 PRO 7840U vs Ryzen 9 5900X

Aggregate performance score

Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
25.56
+58.3%
Ryzen 7 PRO 7840U
2023
8 cores / 16 threads, 28 Watt
16.15

Ryzen 9 5900X outperforms Ryzen 7 PRO 7840U by an impressive 58% based on our aggregate benchmark results.

Primary details

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

Place in the ranking199439
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation31.05no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency22.2052.59
Architecture codenameVermeer (Zen3) (2020−2022)Phoenix (Zen 4) (2023)
Release date8 October 2020 (4 years ago)3 May 2023 (1 year ago)
Launch price (MSRP)$549no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 5900X 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3.7 GHz3.3 GHz
Boost clock speed4.8 GHz5.1 GHz
Multiplier37no data
L1 cache768 KB512 KB
L2 cache6 MB8 MB
L3 cache64 MB16 MB
Chip lithography7 nm, 12 nm4 nm
Die size2x 74 mm2(CCD) + 125 mm2 (IOD)178 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors0 Millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 5900X 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
SocketAM4no data
Power consumption (TDP)105 Watt28 Watt

Technologies and extensions

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

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2no data
AES-NI+-
AVX+-
Precision Boost 2+no data

Virtualization technologies

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

AMD-V+-

Memory specs

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

Supported memory typesDDR4-3200no data
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 780M

Peripherals

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

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 5900X 25.56
+58.3%
Ryzen 7 PRO 7840U 16.15

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 5900X 39115
+58.3%
Ryzen 7 PRO 7840U 24711

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 5900X 2209
+2.8%
Ryzen 7 PRO 7840U 2149

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 5900X 11967
+25.7%
Ryzen 7 PRO 7840U 9519

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 5900X 2695
+21.5%
Ryzen 7 PRO 7840U 2218

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 5900X 250
Ryzen 7 PRO 7840U 265
+6%

Geekbench 5.5 Multi-Core

Ryzen 9 5900X 11765
+18%
Ryzen 7 PRO 7840U 9968

Blender(-)

Ryzen 9 5900X 154
Ryzen 7 PRO 7840U 237
+53.7%

Geekbench 5.5 Single-Core

Ryzen 9 5900X 1604
Ryzen 7 PRO 7840U 1853
+15.5%

7-Zip Single

Ryzen 9 5900X 6582
+11.6%
Ryzen 7 PRO 7840U 5900

7-Zip

Ryzen 9 5900X 90443
+54.9%
Ryzen 7 PRO 7840U 58386

WebXPRT 3

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

Gaming performance

Pros & cons summary


Performance score 25.56 16.15
Recency 8 October 2020 3 May 2023
Physical cores 12 8
Threads 24 16
Chip lithography 7 nm 4 nm
Power consumption (TDP) 105 Watt 28 Watt

Ryzen 9 5900X has a 58.3% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Ryzen 7 PRO 7840U, on the other hand, has an age advantage of 2 years, a 75% more advanced lithography process, and 275% lower power consumption.

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

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


Should you still have questions on choice between Ryzen 9 5900X and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 5900X
Ryzen 9 5900X
AMD Ryzen 7 PRO 7840U
Ryzen 7 PRO 7840U

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Community ratings

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