Ryzen 7 8840HX vs EPYC 9845

VS

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.62no data
Market segmentServerLaptop
Power efficiency23.45no data
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameTurin (2024)Dragon Range (2025)
Release date10 October 2024 (less than a year ago)23 April 2025 (recently)
Launch price (MSRP)$13,564no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

EPYC 9845 and Ryzen 7 8840HX 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 cores16012 (Dodeca-Core)
Threads32024
Base clock speed2.1 GHz2.9 GHz
Boost clock speed3.7 GHz5.1 GHz
L1 cache80 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache320 MB (shared)64 MB (shared)
Chip lithography3 nm5 nm
Die sizeno data2x 71 mm2
Number of transistorsno data13,140 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on EPYC 9845 and Ryzen 7 8840HX 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 configuration21
SocketSP5FL1
Power consumption (TDP)390 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9845 and Ryzen 7 8840HX. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9845 and Ryzen 7 8840HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9845 and Ryzen 7 8840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by EPYC 9845 and Ryzen 7 8840HX.

PCIe version5.05.0
PCI Express lanes12828

Pros & cons summary


Recency 10 October 2024 23 April 2025
Physical cores 160 12
Threads 320 24
Chip lithography 3 nm 5 nm
Power consumption (TDP) 390 Watt 55 Watt

EPYC 9845 has 1233.3% more physical cores and 1233.3% more threads, and a 66.7% more advanced lithography process.

Ryzen 7 8840HX, on the other hand, has an age advantage of 6 months, and 609.1% lower power consumption.

We couldn't decide between AMD EPYC 9845 and AMD Ryzen 7 8840HX. We've got no test results to judge.

Be aware that EPYC 9845 is a server/workstation processor while Ryzen 7 8840HX is a notebook one.

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 EPYC 9845
EPYC 9845
AMD Ryzen 7 8840HX
Ryzen 7 8840HX

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


5 3 votes

Rate EPYC 9845 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Ryzen 7 8840HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Comments

Here you can give us your opinion about processors EPYC 9845 and Ryzen 7 8840HX, agree or disagree with our ratings, or report bugs or inaccuracies on the site.