Xeon E-2486 vs Pentium D 945

Primary details

Comparing Pentium D 945 and Xeon E-2486 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Architecture codename	Presler (2005−2007)	Raptor Lake-S (2023−2024)
Release date	23 July 2006 (18 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$163	$506

Detailed specifications

Pentium D 945 and Xeon E-2486 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 cores	2 (Dual-core)	6 (Hexa-Core)
Threads	2	12
Base clock speed	3.4 GHz	3.5 GHz
Boost clock speed	3.4 GHz	5.6 GHz
Bus rate	no data	16 GT/s
L1 cache	16 KB (per core)	80 KB (per core)
L2 cache	2 MB (per die)	1.25 MB (per core)
L3 cache	0 KB	18 MB (shared)
Chip lithography	65 nm	Intel 7 nm
Die size	2x 81 mm2	163 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	376 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 945 and Xeon E-2486 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 configuration	1	1
Socket	LGA775,PLGA775	FCLGA1700
Power consumption (TDP)	95 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 945 and Xeon E-2486. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	32 Bit	no data
Turbo Boost Max 3.0	no data	+
FSB parity	-	no data

Security technologies

Pentium D 945 and Xeon E-2486 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 945 and Xeon E-2486 are enumerated here.

VT-d	-	+
VT-x	-	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 945 and Xeon E-2486. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR5-4800
Maximum memory size	no data	128 GB
Max memory channels	no data	2
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

N/A

Peripherals

Specifications and connection of peripherals supported by Pentium D 945 and Xeon E-2486.

PCIe version	no data	5
PCI Express lanes	no data	16

Pros & cons summary

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Recency	23 July 2006	14 December 2023
Physical cores	2	6
Threads	2	12

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Should you still have questions on choice between Pentium D 945 and Xeon E-2486, ask them in Comments section, and we shall answer.

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