Ryzen 5 8400F vs Xeon 2.66

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Aggregate performance score

Xeon 2.66
2002
1 core / 1 thread, 89 Watt
0.27
Ryzen 5 8400F
2024
6 cores / 12 threads, 65 Watt
15.30
+5567%

Ryzen 5 8400F outperforms Xeon 2.66 by a whopping 5567% based on our aggregate benchmark results.

Primary details

Comparing Xeon 2.66 and Ryzen 5 8400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3137457
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data64.44
Market segmentServerDesktop processor
Power efficiency0.2922.26
Architecture codenamePrestonia (2002)Phoenix (2023−2024)
Release dateNovember 2002 (22 years ago)1 April 2024 (less than a year ago)
Launch price (MSRP)no data$170

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon 2.66 and Ryzen 5 8400F 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)6 (Hexa-Core)
Threads112
Base clock speedno data4.2 GHz
Boost clock speed2.66 GHz4.7 GHz
L1 cache16 KB64 KB (per core)
L2 cache512 KB1 MB (per core)
L3 cache0 KB16 MB (shared)
Chip lithography130 nm4 nm
Die size217 mm2178 mm2
Number of transistors55 million25,000 million
64 bit support-+
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Xeon 2.66 and Ryzen 5 8400F 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
Socket604AM5
Power consumption (TDP)89 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 2.66 and Ryzen 5 8400F. 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 Xeon 2.66 and Ryzen 5 8400F are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 2.66 and Ryzen 5 8400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Xeon 2.66 and Ryzen 5 8400F.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Xeon 2.66 0.27
Ryzen 5 8400F 15.30
+5567%

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.

Xeon 2.66 435
Ryzen 5 8400F 24303
+5487%

Gaming performance

Pros & cons summary


Performance score 0.27 15.30
Physical cores 1 6
Threads 1 12
Chip lithography 130 nm 4 nm
Power consumption (TDP) 89 Watt 65 Watt

Ryzen 5 8400F has a 5566.7% higher aggregate performance score, 500% more physical cores and 1100% more threads, a 3150% more advanced lithography process, and 36.9% lower power consumption.

The Ryzen 5 8400F is our recommended choice as it beats the Xeon 2.66 in performance tests.

Be aware that Xeon 2.66 is a server/workstation processor while Ryzen 5 8400F is a desktop one.


Should you still have questions on choice between Xeon 2.66 and Ryzen 5 8400F, 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.


Intel Xeon 2.66
Xeon 2.66
AMD Ryzen 5 8400F
Ryzen 5 8400F

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.


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Questions & comments

Here you can ask a question about Xeon 2.66 or Ryzen 5 8400F, agree or disagree with our judgements, or report an error or mismatch.