Ryzen 9 7840HX vs Ryzen 9 7940HX

#ad 
Buy on Amazon
VS

Primary details

Comparing Ryzen 9 7940HX and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking94not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)AMD Dragon Range (Zen 4, Ryzen 7045)
Architecture codenameDragon Range-HX (Zen 4)Dragon Range-HX (Zen 4)
Release date17 January 2024 (less than a year ago)17 January 2024 (less than a year ago)

Detailed specifications

Ryzen 9 7940HX 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 cores16 (Hexadeca-Core)12 (Dodeca-Core)
Threads3216 x 5.2  GHz AMD Zen 42412 x 5.1  GHz AMD Zen 4
Base clock speed2.4 GHz2.9 GHz
Boost clock speed5.2 GHz5.1 GHz
L1 cache1 MB768 KB
L2 cache16 MB12 MB
L3 cache64 MB64 MB
Chip lithography5 nm5 nm
Maximum core temperature100 °C100 °C
Number of transistors9900 Million9900 Million
64 bit support++
Unlocked multiplierNoNo

Compatibility

Information on Ryzen 9 7940HX 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.

SocketFL1FL1
Power consumption (TDP)55 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HX and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsDDR5-5200 RAM, PCIe 5, MMX, 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, SMEDDR5-5200 RAM, PCIe 5, MMX, 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++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610MAMD Radeon 610M

Pros & cons summary


Physical cores 16 12
Threads 3216 x 5.2 GHz AMD Zen 4 2412 x 5.1 GHz AMD Zen 4

We couldn't decide between Ryzen 9 7940HX and Ryzen 9 7840HX. We've got no test results to judge.


Should you still have questions on choice between Ryzen 9 7940HX and Ryzen 9 7840HX, 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 7940HX
Ryzen 9 7940HX
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

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.


5 1 vote

Rate Ryzen 9 7940HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Ryzen 9 7840HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 7940HX or Ryzen 9 7840HX, agree or disagree with our judgements, or report an error or mismatch.