Ryzen Threadripper 2900X vs Athlon 650

Primary details

Comparing Athlon 650 and Ryzen Threadripper 2900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Architecture codenameThunderbird (1999−2000)Zen (2017−2020)
Release date9 August 1999 (25 years ago)August 2018 (6 years ago)
Launch price (MSRP)$849no data

Detailed specifications

Athlon 650 and Ryzen Threadripper 2900X 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)
Threads1no data
Boost clock speed0.65 GHz3.1 GHz
L1 cache128 KB96 KB (per core)
L2 cache512 KB512 KB (per core)
L3 cache0 KB32768 KB
Chip lithography180 nm14 nm
Die size184 mm2213 mm2
Maximum case temperature (TCase)70 °Cno data
Number of transistors22 million9600 million
64 bit support-+
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Athlon 650 and Ryzen Threadripper 2900X 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 configuration11
SocketAno data
Power consumption (TDP)48 Watt125 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 650 and Ryzen Threadripper 2900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 650 and Ryzen Threadripper 2900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Pros & cons summary


Physical cores 1 8
Chip lithography 180 nm 14 nm
Power consumption (TDP) 48 Watt 125 Watt

Athlon 650 has 160.4% lower power consumption.

Ryzen Threadripper 2900X, on the other hand, has 700% more physical cores, and a 1185.7% more advanced lithography process.

We couldn't decide between Athlon 650 and Ryzen Threadripper 2900X. We've got no test results to judge.


Should you still have questions on choice between Athlon 650 and Ryzen Threadripper 2900X, 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 Athlon 650
Athlon 650
AMD Ryzen Threadripper 2900X
Ryzen Threadripper 2900X

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 4 votes

Rate Athlon 650 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 7 votes

Rate Ryzen Threadripper 2900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon 650 or Ryzen Threadripper 2900X, agree or disagree with our judgements, or report an error or mismatch.