Xeon w7-2555X vs AMD-K5-PR166ABR

Primary details

Comparing AMD-K5-PR166ABR and Xeon w7-2555X 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 processorServer
SeriesAMD K5no data
Architecture codenameK5 (1996−1997)Sapphire Rapids (2023−2024)
Release date6 January 1997 (27 years ago)24 August 2024 (less than a year ago)
Launch price (MSRP)no data$1,069

Detailed specifications

AMD-K5-PR166ABR and Xeon w7-2555X 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)14 (Tetradeca-Core)
Threads128
Base clock speedno data3.3 GHz
Boost clock speed0.07 GHz4.8 GHz
Bus typeFSBno data
Bus rate66.66 MT/sno data
Multiplier1.75no data
L1 cacheno data80 KB (per core)
L2 cacheno data2 MB (per core)
L3 cacheno data33.75 MB
Chip lithography350 nm10 nm
Die size181 mm2no data
Maximum case temperature (TCase)no data75 °C
Number of transistors4 Millionno data
64 bit support-+
Unlocked multiplier-+

Compatibility

Information on AMD-K5-PR166ABR and Xeon w7-2555X 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 data4677
Power consumption (TDP)no data210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by AMD-K5-PR166ABR and Xeon w7-2555X. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

AMD-K5-PR166ABR and Xeon w7-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by AMD-K5-PR166ABR and Xeon w7-2555X are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by AMD-K5-PR166ABR and Xeon w7-2555X. 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 dataN/A

Peripherals

Specifications and connection of peripherals supported by AMD-K5-PR166ABR and Xeon w7-2555X.

PCIe versionno data5.0
PCI Express lanesno data64

Pros & cons summary


Recency 6 January 1997 24 August 2024
Physical cores 1 14
Threads 1 28
Chip lithography 350 nm 10 nm

Xeon w7-2555X has an age advantage of 27 years, 1300% more physical cores and 2700% more threads, and a 3400% more advanced lithography process.

We couldn't decide between AMD-K5-PR166ABR and Xeon w7-2555X. We've got no test results to judge.

Note that AMD-K5-PR166ABR is a desktop processor while Xeon w7-2555X is a server/workstation one.


Should you still have questions on choice between AMD-K5-PR166ABR and Xeon w7-2555X, ask them in Comments section, and we shall answer.

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AMD AMD-K5-PR166ABR
AMD-K5-PR166ABR
Intel Xeon w7-2555X
Xeon w7-2555X

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