Ryzen 7 7800X vs Ryzen 9 7940HX

Primary details

Comparing Ryzen 9 7940HX and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking113not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)AMD Ryzen 7
Power efficiency58.18no data
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Zen 4
Release date17 January 2024 (less than a year ago)no data (2024 years ago)

Detailed specifications

Ryzen 9 7940HX and Ryzen 7 7800X 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 cores16 (Hexadeca-Core)8 (Octa-Core)
Threads3216
Base clock speed2.4 GHz4.2 GHz
Boost clock speed5.2 GHz5 GHz
L1 cache1 MB512 KB
L2 cache16 MB8 MB
L3 cache64 MB96 MB
Chip lithography5 nm5 nm, 6 nm
Die sizeno data71+122 mm
Maximum core temperature100 °Cno data
Number of transistors9900 Millionno data
64 bit support++
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 7940HX and Ryzen 7 7800X 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.

SocketFL1no data
Power consumption (TDP)55 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HX and Ryzen 7 7800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 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, SMEno data
AES-NI+-
FMA+-
AVX+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5no data
Maximum memory sizeno data128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610Mno data

Pros & cons summary


Physical cores 16 8
Threads 32 16
Power consumption (TDP) 55 Watt 120 Watt

Ryzen 9 7940HX has 100% more physical cores and 100% more threads, and 118.2% lower power consumption.

We couldn't decide between Ryzen 9 7940HX and Ryzen 7 7800X. We've got no test results to judge.

Be aware that Ryzen 9 7940HX is a notebook processor while Ryzen 7 7800X is a desktop one.


Should you still have questions on choice between Ryzen 9 7940HX and Ryzen 7 7800X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7940HX
Ryzen 9 7940HX
AMD Ryzen 7 7800X
Ryzen 7 7800X

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Community ratings

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4.1 41 vote

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4.2 111 votes

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