Pentium D 915 vs Pentium E5400

Primary details

Comparing Pentium E5400 and Pentium D 915 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2779	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.46	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	0.89	no data
Architecture codename	Wolfdale (2008−2010)	Presler (2005−2007)
Release date	18 January 2009 (15 years ago)	23 July 2006 (18 years ago)
Launch price (MSRP)	$55	$74

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium E5400 and Pentium D 915 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2.7 GHz	2.8 GHz
Boost clock speed	2.7 GHz	2.8 GHz
L1 cache	64 KB (per core)	16 KB (per core)
L2 cache	2 MB (shared)	2 MB (per die)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	65 nm
Die size	82 mm2	2x 81 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	no data	63 °C
Number of transistors	228 million	376 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	1.2V-1.3375V

Compatibility

Information on Pentium E5400 and Pentium D 915 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	LGA775,PLGA775
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium E5400 and Pentium D 915. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium E5400 and Pentium D 915 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium E5400 and Pentium D 915 are enumerated here.

VT-d	-	-
VT-x	no data	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium E5400 and Pentium D 915. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Pentium E5400 and Pentium D 915.

PCIe version

2.0

no data

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	18 January 2009	23 July 2006
Chip lithography	45 nm	65 nm
Power consumption (TDP)	65 Watt	95 Watt

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