Ryzen 9 5900XT vs Phenom X4 9950 BE (125W)

Primary details

Comparing Phenom X4 9950 BE (125W) and Ryzen 9 5900XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated164
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data67.78
Market segmentDesktop processorDesktop processor
Power efficiencyno data25.28
Architecture codenameAgena (2007−2008)Vermeer (2020−2024)
Release dateOctober 2008 (16 years ago)31 July 2024 (less than a year ago)
Launch price (MSRP)no data$349

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom X4 9950 BE (125W) and Ryzen 9 5900XT 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads432
Base clock speedno data3.3 GHz
Boost clock speed2.6 GHz4.8 GHz
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache2 MB (shared)64 MB
Chip lithography65 nm7 nm
Die size285 mm22x 74 mm2
Number of transistors450 million8,300 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on Phenom X4 9950 BE (125W) and Ryzen 9 5900XT 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
SocketAM2+AM4
Power consumption (TDP)125 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom X4 9950 BE (125W) and Ryzen 9 5900XT. 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 Phenom X4 9950 BE (125W) and Ryzen 9 5900XT are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X4 9950 BE (125W) and Ryzen 9 5900XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Phenom X4 9950 BE (125W) and Ryzen 9 5900XT.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 4 16
Threads 4 32
Chip lithography 65 nm 7 nm
Power consumption (TDP) 125 Watt 105 Watt

Ryzen 9 5900XT has 300% more physical cores and 700% more threads, a 828.6% more advanced lithography process, and 19% lower power consumption.

We couldn't decide between Phenom X4 9950 BE (125W) and Ryzen 9 5900XT. We've got no test results to judge.


Should you still have questions on choice between Phenom X4 9950 BE (125W) and Ryzen 9 5900XT, 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 Phenom X4 9950 BE (125W)
Phenom X4 9950 BE (125W)
AMD Ryzen 9 5900XT
Ryzen 9 5900XT

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.


3.4 50 votes

Rate Phenom X4 9950 BE (125W) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 46 votes

Rate Ryzen 9 5900XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom X4 9950 BE (125W) or Ryzen 9 5900XT, agree or disagree with our judgements, or report an error or mismatch.