Pentium D 915 vs Pentium E5400

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Aggregate performance score

Pentium E5400
2009
2 cores / 2 threads, 65 Watt
0.62
+114%
Pentium D 915
2006
2 cores / 2 threads, 95 Watt
0.29

Pentium E5400 outperforms Pentium D 915 by a whopping 114% based on our aggregate benchmark results.

Primary details

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

Place in the ranking27943126
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.46no data
Market segmentDesktop processorDesktop processor
Power efficiency0.900.29
Architecture codenameWolfdale (2008−2010)Presler (2005−2007)
Release date18 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.

no data

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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed2.7 GHz2.8 GHz
Boost clock speed2.7 GHz2.8 GHz
L1 cache64 KB (per core)16 KB (per core)
L2 cache2 MB (shared)2 MB (per die)
L3 cache0 KB0 KB
Chip lithography45 nm65 nm
Die size82 mm22x 81 mm2
Maximum core temperature74 °Cno data
Maximum case temperature (TCase)no data63 °C
Number of transistors228 million376 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V1.2V-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 configuration11
SocketLGA775LGA775,PLGA775
Power consumption (TDP)65 Watt95 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--
PAEno data32 Bit
FSB parityno 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-xno 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 typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

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

PCIe version2.0no 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.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium E5400 0.62
+114%
Pentium D 915 0.29

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium E5400 978
+113%
Pentium D 915 459

Gaming performance

Pros & cons summary


Performance score 0.62 0.29
Recency 18 January 2009 23 July 2006
Chip lithography 45 nm 65 nm
Power consumption (TDP) 65 Watt 95 Watt

Pentium E5400 has a 113.8% higher aggregate performance score, an age advantage of 2 years, a 44.4% more advanced lithography process, and 46.2% lower power consumption.

The Pentium E5400 is our recommended choice as it beats the Pentium D 915 in performance tests.


Should you still have questions on choice between Pentium E5400 and Pentium D 915, ask them in Comments section, and we shall answer.

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Intel Pentium E5400
Pentium E5400
Intel Pentium D 915
Pentium D 915

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Community ratings

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Questions & comments

Here you can ask a question about Pentium E5400 or Pentium D 915, agree or disagree with our judgements, or report an error or mismatch.