Ryzen 7 9800X3D vs EPYC 7742

#ad 
Buy on Amazon
VS

Aggregate performance score

EPYC 7742
2019
64 cores / 128 threads, 225 Watt
44.07
+74.3%
Ryzen 7 9800X3D
2024
8 cores / 16 threads, 120 Watt
25.28

EPYC 7742 outperforms Ryzen 7 9800X3D by an impressive 74% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7742 and Ryzen 7 9800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking45203
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.5544.64
Market segmentServerDesktop processor
SeriesAMD EPYCno data
Power efficiency18.5419.94
Architecture codenameZen 2 (2017−2020)Granite Ridge (2024)
Release date7 August 2019 (5 years ago)7 November 2024 (less than a year ago)
Launch price (MSRP)$6,950$479

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 9800X3D has 1157% better value for money than EPYC 7742.

Detailed specifications

EPYC 7742 and Ryzen 7 9800X3D 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 cores64 (Tetrahexaconta-Core)8 (Octa-Core)
Threads12816
Base clock speed2.25 GHz4.7 GHz
Boost clock speed3.4 GHz5.2 GHz
Multiplier22.5no data
L1 cache96K (per core)80 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache256 MB (shared)96 MB (shared)
Chip lithography7 nm, 14 nm4 nm
Die size192 mm270.6 mm2
Number of transistors4,800 million8,315 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on EPYC 7742 and Ryzen 7 9800X3D 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 configuration2 (Multiprocessor)1
SocketTR4AM5
Power consumption (TDP)225 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7742 and Ryzen 7 9800X3D. 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 7742 and Ryzen 7 9800X3D are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7742 and Ryzen 7 9800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by EPYC 7742 and Ryzen 7 9800X3D.

PCIe versionno data5.0
PCI Express lanesno data24

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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7742 44.07
+74.3%
Ryzen 7 9800X3D 25.28

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.

EPYC 7742 70007
+74.3%
Ryzen 7 9800X3D 40163

Gaming performance

Pros & cons summary


Performance score 44.07 25.28
Recency 7 August 2019 7 November 2024
Physical cores 64 8
Threads 128 16
Chip lithography 7 nm 4 nm
Power consumption (TDP) 225 Watt 120 Watt

EPYC 7742 has a 74.3% higher aggregate performance score, and 700% more physical cores and 700% more threads.

Ryzen 7 9800X3D, on the other hand, has an age advantage of 5 years, a 75% more advanced lithography process, and 87.5% lower power consumption.

The EPYC 7742 is our recommended choice as it beats the Ryzen 7 9800X3D in performance tests.

Be aware that EPYC 7742 is a server/workstation processor while Ryzen 7 9800X3D is a desktop one.


Should you still have questions on choice between EPYC 7742 and Ryzen 7 9800X3D, 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 EPYC 7742
EPYC 7742
AMD Ryzen 7 9800X3D
Ryzen 7 9800X3D

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.


4.3 129 votes

Rate EPYC 7742 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 277 votes

Rate Ryzen 7 9800X3D on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about EPYC 7742 or Ryzen 7 9800X3D, agree or disagree with our judgements, or report an error or mismatch.