Ryzen 9 7840HX vs Ryzen 7 5800X3D

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Primary details

Comparing Ryzen 7 5800X3D and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking340not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation29.40no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7AMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency16.06no data
Architecture codenameVermeer (Zen3) (2020−2022)Dragon Range-HX (Zen 4) (2023−2024)
Release date20 April 2022 (2 years ago)17 January 2024 (less than a year ago)
Launch price (MSRP)$449no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 5800X3D and Ryzen 9 7840HX 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)12 (Dodeca-Core)
Threads1624
Base clock speed3.4 GHz2.9 GHz
Boost clock speed4.5 GHz5.1 GHz
L1 cache64 KB (per core)768 KB
L2 cache512 KB (per core)12 MB
L3 cache96 MB (shared)64 MB
Chip lithography7 nm, 12 nm5 nm
Die size74 + 125 mmno data
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)90 °Cno data
Number of transistors8,850 million9900 Million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 7 5800X3D and Ryzen 9 7840HX 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
SocketAM4FL1
Power consumption (TDP)105 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800X3D and Ryzen 9 7840HX. 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 2MMX, 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 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5800X3D and Ryzen 9 7840HX are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800X3D and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size128 GBno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800X3D and Ryzen 9 7840HX.

PCIe version4.0no data
PCI Express lanes20no data

Pros & cons summary


Recency 20 April 2022 17 January 2024
Physical cores 8 12
Threads 16 24
Chip lithography 7 nm 5 nm
Power consumption (TDP) 105 Watt 55 Watt

Ryzen 9 7840HX has an age advantage of 1 year, 50% more physical cores and 50% more threads, a 40% more advanced lithography process, and 90.9% lower power consumption.

We couldn't decide between Ryzen 7 5800X3D and Ryzen 9 7840HX. We've got no test results to judge.

Note that Ryzen 7 5800X3D is a desktop processor while Ryzen 9 7840HX is a notebook one.


Should you still have questions on choice between Ryzen 7 5800X3D and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 5800X3D
Ryzen 7 5800X3D
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

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