Ryzen 9 7840HX vs Ryzen 9 7900X

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Primary details

Comparing Ryzen 9 7900X and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking124not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency18.10no data
Architecture codenameRaphael (Zen4) (2022−2023)Dragon Range-HX (Zen 4) (2023−2024)
Release date27 September 2022 (2 years ago)17 January 2024 (less than a year ago)

Detailed specifications

Ryzen 9 7900X 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 cores12 (Dodeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed4.7 GHz2.9 GHz
Boost clock speed5.6 GHz5.1 GHz
L1 cache64K (per core)768 KB
L2 cache1 MB (per core)12 MB
L3 cache64 MB (shared)64 MB
Chip lithography5 nm5 nm
Die size2x 70 (CCD) mm2 + 122 (I/O) mm2no data
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)47 °Cno data
Number of transistorsCCD: 6,5 Mrd + IOD: 3,4 Mrd Million9900 Million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 7900X 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
SocketAM5FL1
Power consumption (TDP)170 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7900X and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensions5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475VMMX, 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 9 7900X and Ryzen 9 7840HX are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900X and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon Graphics (Ryzen 7000)AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7900X and Ryzen 9 7840HX.

PCIe version5.0no data
PCI Express lanes24no data

Pros & cons summary


Integrated graphics card 4.43 2.85
Recency 27 September 2022 17 January 2024
Power consumption (TDP) 170 Watt 55 Watt

Ryzen 9 7900X has 55.4% faster integrated GPU.

Ryzen 9 7840HX, on the other hand, has an age advantage of 1 year, and 209.1% lower power consumption.

We couldn't decide between Ryzen 9 7900X and Ryzen 9 7840HX. We've got no test results to judge.

Note that Ryzen 9 7900X is a desktop processor while Ryzen 9 7840HX is a notebook one.


Should you still have questions on choice between Ryzen 9 7900X and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7900X
Ryzen 9 7900X
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

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Community ratings

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