Core i9-12900E vs Pentium D 940

Primary details

Comparing Pentium D 940 and Core i9-12900E processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	342
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Presler (2006−2007)	Alder Lake-S (2022)
Release date	5 January 2006 (18 years ago)	4 January 2022 (2 years ago)
Current price	$69	no data

Detailed specifications

Pentium D 940 and Core i9-12900E 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)	16 (Hexadeca-Core)
Threads	2	24
Base clock speed	3.2 GHz	2.3 GHz
Boost clock speed	3.2 GHz	5 GHz
L1 cache	16 KB (per core)	80K (per core)
L2 cache	2 MB (per die)	1.25 MB (per core)
L3 cache	0 KB	30 MB (shared)
Chip lithography	65 nm	10 nm
Die size	2x 81 mm2	215 mm2
Maximum core temperature	B1=69 °C, C1=63 °C	no data
Maximum case temperature (TCase)	69 °C	72 °C
Number of transistors	376 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 940 and Core i9-12900E 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	1700
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 940 and Core i9-12900E. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	no data	+
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Pentium D 940 and Core i9-12900E 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 Core i9-12900E are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 940 and Core i9-12900E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4, DDR5 Dual-channel
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Intel UHD Graphics 770

Peripherals

Specifications and connection of peripherals supported by Pentium D 940 and Core i9-12900E.

PCIe version	no data	5.0
PCI Express lanes	no data	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	5 January 2006	4 January 2022
Physical cores	2	16
Threads	2	24
Chip lithography	65 nm	10 nm
Power consumption (TDP)	130 Watt	65 Watt

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Should you still have questions on choice between Pentium D 940 and Core i9-12900E, ask them in Comments section, and we shall answer.

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