Xeon 6979P vs Pentium D 940

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Primary details

Comparing Pentium D 940 and Xeon 6979P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3066not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency0.25no data
Architecture codenamePresler (2005−2007)Granite Rapids (2024)
Release date5 January 2006 (18 years ago)24 September 2024 (less than a year ago)
Launch price (MSRP)$423no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium D 940 and Xeon 6979P 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 cores2 (Dual-core)120
Threads2240
Base clock speed3.2 GHz2.1 GHz
Boost clock speed3.2 GHz3.9 GHz
L1 cache16 KB (per core)112 KB (per core)
L2 cache2 MB (per die)2 MB (per core)
L3 cache0 KB504 MB (shared)
Chip lithography65 nm5 nm
Die size2x 81 mm2no data
Maximum case temperature (TCase)69 °C80 °C
Number of transistors376 millionno data
64 bit support++
Windows 11 compatibility-no data
VID voltage range1.2V-1.3375Vno data

Compatibility

Information on Pentium D 940 and Xeon 6979P 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
SocketLGA775,PLGA7757529
Power consumption (TDP)130 Watt500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 940 and Xeon 6979P. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
TSX-+
Idle States+no data
Demand Based Switching-no data
PAE32 Bitno data
FSB parity-no data

Security technologies

Pentium D 940 and Xeon 6979P technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 940 and Xeon 6979P are enumerated here.

VT-d-+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 940 and Xeon 6979P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)N/A

Peripherals

Specifications and connection of peripherals supported by Pentium D 940 and Xeon 6979P.

PCIe versionno data5.0
PCI Express lanesno data96

Pros & cons summary


Recency 5 January 2006 24 September 2024
Physical cores 2 120
Threads 2 240
Chip lithography 65 nm 5 nm
Power consumption (TDP) 130 Watt 500 Watt

Pentium D 940 has 284.6% lower power consumption.

Xeon 6979P, on the other hand, has an age advantage of 18 years, 5900% more physical cores and 11900% more threads, and a 1200% more advanced lithography process.

We couldn't decide between Pentium D 940 and Xeon 6979P. We've got no test results to judge.

Note that Pentium D 940 is a desktop processor while Xeon 6979P is a server/workstation one.


Should you still have questions on choice between Pentium D 940 and Xeon 6979P, ask them in Comments section, and we shall answer.

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Intel Pentium D 940
Pentium D 940
Intel Xeon 6979P
Xeon 6979P

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Community ratings

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