Core i5-4400E vs Core 2 Quad Q9400

Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35
Core i5-4400E
2013
2 cores / 4 threads, 37 Watt
2.05
+51.9%

Core i5-4400E outperforms Core 2 Quad Q9400 by an impressive 52% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9400 and Core i5-4400E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22541908
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i5
Power efficiency1.345.22
Architecture codenameYorkfield (2007−2009)Haswell (2013−2015)
Release dateAugust 2008 (16 years ago)1 October 2013 (11 years ago)
Launch price (MSRP)no data$266

Detailed specifications

Core 2 Quad Q9400 and Core i5-4400E 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 cores4 (Quad-Core)2 (Dual-core)
Threads44
Base clock speed2.66 GHz2.7 GHz
Boost clock speed2.67 GHz3.3 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)128 KB
L2 cache6 MB (shared)512 KB
L3 cache0 KB3 MB
Chip lithography45 nm22 nm
Die size2x 81 mm2130 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million960 Million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Core i5-4400E 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 configuration1no data
SocketLGA775FCBGA1364
Power consumption (TDP)95 Watt37 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i5-4400E. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Quad Q9400 and Core i5-4400E technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i5-4400E are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i5-4400E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 4600 (400 - 1000 MHz)

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.

Core 2 Quad Q9400 1.35
i5-4400E 2.05
+51.9%

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.

Core 2 Quad Q9400 2138
i5-4400E 3251
+52.1%

Gaming performance

Pros & cons summary


Performance score 1.35 2.05
Physical cores 4 2
Chip lithography 45 nm 22 nm
Power consumption (TDP) 95 Watt 37 Watt

Core 2 Quad Q9400 has 100% more physical cores.

i5-4400E, on the other hand, has a 51.9% higher aggregate performance score, a 104.5% more advanced lithography process, and 156.8% lower power consumption.

The Core i5-4400E is our recommended choice as it beats the Core 2 Quad Q9400 in performance tests.

Note that Core 2 Quad Q9400 is a desktop processor while Core i5-4400E is a notebook one.


Should you still have questions on choice between Core 2 Quad Q9400 and Core i5-4400E, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Core i5-4400E
Core i5-4400E

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 1568 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q9400 or Core i5-4400E, agree or disagree with our judgements, or report an error or mismatch.