Ryzen 9 7840HX vs Ryzen 7 5700U

#ad 
Buy on Amazon
VS

Primary details

Comparing Ryzen 7 5700U and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking727not rated
Place by popularity14not in top-100
Market segmentLaptopLaptop
SeriesAMD Lucienne (Zen 2, Ryzen 5000)AMD Dragon Range (Zen 4, Ryzen 7045)
Architecture codenameLucienne-U (Zen 2)Dragon Range-HX (Zen 4)
Release date12 January 2021 (3 years ago)17 January 2024 (less than a year ago)

Detailed specifications

Ryzen 7 5700U 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 speed1.8 GHz2.9 GHz
Boost clock speed4.3 GHz5.1 GHz
L1 cache512 KB768 KB
L2 cache4 MB12 MB
L3 cache8 MB64 MB
Chip lithography7 nm5 nm
Die size156 mm2no data
Maximum core temperature105 °C100 °C
Number of transistors9,800 million9900 Million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplierNoNo

Compatibility

Information on Ryzen 7 5700U 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
SocketFP6FL1
Power consumption (TDP)15 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5700U and Ryzen 9 7840HX. 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, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEMMX, 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++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5700U and Ryzen 9 7840HX are enumerated here.

AMD-V+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5700U and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size64 GBno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000)AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5700U and Ryzen 9 7840HX.

PCIe version3.0no data
PCI Express lanes12no data

Pros & cons summary


Integrated graphics card 9.12 2.85
Recency 12 January 2021 17 January 2024
Physical cores 8 12
Threads 16 24
Chip lithography 7 nm 5 nm
Power consumption (TDP) 15 Watt 55 Watt

Ryzen 7 5700U has 220% faster integrated GPU, and 266.7% lower power consumption.

Ryzen 9 7840HX, on the other hand, has an age advantage of 3 years, 50% more physical cores and 50% more threads, and a 40% more advanced lithography process.

We couldn't decide between Ryzen 7 5700U and Ryzen 9 7840HX. We've got no test results to judge.


Should you still have questions on choice between Ryzen 7 5700U 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 7 5700U
Ryzen 7 5700U
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.


4.1 2681 vote

Rate Ryzen 7 5700U 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 7 5700U or Ryzen 9 7840HX, agree or disagree with our judgements, or report an error or mismatch.