Xeon 6756E vs Pentium III 1266S

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Primary details

Comparing Pentium III 1266S and Xeon 6756E 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
Architecture codenameTualatin (2000−2002)Sierra Forest (2024)
Release dateJuly 2001 (23 years ago)3 June 2024 (less than a year ago)
Launch price (MSRP)no data$8,428

Detailed specifications

Pentium III 1266S and Xeon 6756E 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)128
Threads1128
Base clock speedno data1.8 GHz
Boost clock speed1.27 GHz2.6 GHz
L1 cache8 KB96 KB (per core)
L2 cache512 KB4 MB (per module)
L3 cache0 KB96 MB (shared)
Chip lithography130 nm5 nm
Die size80 mm2no data
Maximum case temperature (TCase)69 °C80 °C
Number of transistors44 millionno data
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium III 1266S and Xeon 6756E 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 configuration12
Socket3704710
Power consumption (TDP)30 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 1266S and Xeon 6756E. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium III 1266S and Xeon 6756E technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 1266S and Xeon 6756E are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 1266S and Xeon 6756E. 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 Pentium III 1266S and Xeon 6756E.

PCIe versionno data5.0
PCI Express lanesno data88

Pros & cons summary


Physical cores 1 128
Threads 1 128
Chip lithography 130 nm 5 nm
Power consumption (TDP) 30 Watt 225 Watt

Pentium III 1266S has 650% lower power consumption.

Xeon 6756E, on the other hand, has 12700% more physical cores and 12700% more threads, and a 2500% more advanced lithography process.

We couldn't decide between Pentium III 1266S and Xeon 6756E. We've got no test results to judge.

Note that Pentium III 1266S is a desktop processor while Xeon 6756E is a server/workstation one.


Should you still have questions on choice between Pentium III 1266S and Xeon 6756E, ask them in Comments section, and we shall answer.

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Intel Pentium III 1266S
Pentium III 1266S
Intel Xeon 6756E
Xeon 6756E

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