Ryzen 9 8940HX vs EPYC 9745

#ad 
Buy on Amazon
VS

Aggregate performance score

EPYC 9745
2024
128 cores / 256 threads, 400 Watt
81.29
+142%
Ryzen 9 8940HX
2025
16 cores / 32 threads, 55 Watt
33.62

EPYC 9745 outperforms Ryzen 9 8940HX by a whopping 142% based on our aggregate benchmark results.

Primary details

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

Place in the ranking11140
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.32no data
Market segmentServerLaptop
Power efficiency19.5958.93
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameTurin (2024)Dragon Range (2025)
Release date10 October 2024 (less than a year ago)23 April 2025 (recently)
Launch price (MSRP)$12,141no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

EPYC 9745 and Ryzen 9 8940HX 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 cores12816 (Hexadeca-Core)
Threads25632
Base clock speed2.4 GHz2.4 GHz
Boost clock speed3.7 GHz5.3 GHz
L1 cache80 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache256 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 9745 and Ryzen 9 8940HX 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)400 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9745 and Ryzen 9 8940HX. 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 9745 and Ryzen 9 8940HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9745 and Ryzen 9 8940HX. 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 9745 and Ryzen 9 8940HX.

PCIe version5.05.0
PCI Express lanes12828

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating.

EPYC 9745 81.29
+142%
Ryzen 9 8940HX 33.62

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.

EPYC 9745 130698
+142%
Ryzen 9 8940HX 54059

Gaming performance

Pros & cons summary


Performance score 81.29 33.62
Recency 10 October 2024 23 April 2025
Physical cores 128 16
Threads 256 32
Chip lithography 3 nm 5 nm
Power consumption (TDP) 400 Watt 55 Watt

EPYC 9745 has a 141.8% higher aggregate performance score, 700% more physical cores and 700% more threads, and a 66.7% more advanced lithography process.

Ryzen 9 8940HX, on the other hand, has an age advantage of 6 months, and 627.3% lower power consumption.

The AMD EPYC 9745 is our recommended choice as it beats the AMD Ryzen 9 8940HX in performance tests.

Be aware that EPYC 9745 is a server/workstation processor while Ryzen 9 8940HX 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 9745
EPYC 9745
AMD Ryzen 9 8940HX
Ryzen 9 8940HX

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.


No user ratings yet.

Rate EPYC 9745 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.6 18 votes

Rate Ryzen 9 8940HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Comments

Here you can give us your opinion about processors EPYC 9745 and Ryzen 9 8940HX, agree or disagree with our ratings, or report bugs or inaccuracies on the site.