Ryzen 7 9800X3D vs K6-2/400AFR-66

VS

Primary details

Comparing K6-2/400AFR-66 and Ryzen 7 9800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated196
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data42.15
Market segmentDesktop processorDesktop processor
SeriesAMD K6-2no data
Power efficiencyno data19.90
Architecture codenameK6-2 (1998−1999)Granite Ridge (2024)
Release date28 May 1998 (26 years ago)7 November 2024 (recently)
Launch price (MSRP)no data$479

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

K6-2/400AFR-66 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 cores1 (Single-Core)8 (Octa-Core)
Threads116
Base clock speedno data4.7 GHz
Boost clock speed0.1 GHz5.2 GHz
Bus typeFSBno data
Bus rate66.66 MT/sno data
Multiplier6no data
L1 cacheno data80 KB (per core)
L2 cacheno data1 MB (per core)
L3 cacheno data96 MB (shared)
Chip lithography0.25 µm4 nm
Die size81 mm270.6 mm2
Number of transistors9 Million8,315 million
64 bit support-+
Unlocked multiplier-+

Compatibility

Information on K6-2/400AFR-66 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 configurationno data1
Socketno dataAM5
Power consumption (TDP)no data120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by K6-2/400AFR-66 and Ryzen 7 9800X3D. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by K6-2/400AFR-66 and Ryzen 7 9800X3D are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by K6-2/400AFR-66 and Ryzen 7 9800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory size4 GBno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by K6-2/400AFR-66 and Ryzen 7 9800X3D.

PCIe versionno data5.0
PCI Express lanesno data24

Pros & cons summary


Recency 28 May 1998 7 November 2024
Physical cores 1 8
Threads 1 16

Ryzen 7 9800X3D has an age advantage of 26 years, and 700% more physical cores and 1500% more threads.

We couldn't decide between K6-2/400AFR-66 and Ryzen 7 9800X3D. We've got no test results to judge.


Should you still have questions on choice between K6-2/400AFR-66 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 K6-2/400AFR-66
K6-2/400AFR-66
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.


No user ratings yet.

Rate K6-2/400AFR-66 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 99 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 K6-2/400AFR-66 or Ryzen 7 9800X3D, agree or disagree with our judgements, or report an error or mismatch.