Performance per price, higher is better.
Intel Core 2 Duo E4400: specs and benchmarks
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
Intel started Core 2 Duo E4400 sales on July 2007. This is an Allendale architecture desktop processor primarily aimed at office systems. It has 2 cores and 2 threads, and is based on 65 nm manufacturing technology, with a maximum frequency of 2000 MHz and a locked multiplier.
Compatibility-wise, this is LGA775 processor with a TDP of 65 Watt. It supports DDR1, DDR2, DDR3 memory.
It provides poor benchmark performance at
of a leader's which is AMD EPYC 9654.
Core 2 Duo E4400 processor market type (desktop or notebook), architecture, sales start time and pricing.
|Place in performance ranking||2656|
|Value for money||0.85|
|Market segment||Desktop processor|
|Architecture codename||Allendale (2006−2009)|
|Release date||July 2007 (15 years old)|
|Current price||$65||of 15854 (Xeon Platinum 8276L)|
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
|Physical cores||2 (Dual-core)|
|Base clock speed||2 GHz||of 4.7 (Ryzen 9 7900X)|
|Boost clock speed||2 GHz||of 6 (Core i9-13900KS)|
|L1 cache||64 KB||of 7475.2 (Apple M2 Pro 10-Core)|
|L2 cache||2 MB||of 36 (Apple M2 Max)|
|L3 cache||0 KB||of 786432 (EPYC 7773X)|
|Chip lithography||65 nm||of 4 (Ryzen 9 7940HS)|
|Die size||111 mm2|
|Maximum core temperature||L2=61 °C, M0=73 °C||of 110 (Atom x7-E3950)|
|Number of transistors||167 million||of 9900000 (Ryzen 5 7645HX)|
|64 bit support||+|
|Windows 11 compatibility||-|
|VID voltage range||0.85V-1.5V|
Information on Core 2 Duo E4400 compatibility with other computer components and devices: 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||of 8 (Xeon Platinum 8160M)|
|Power consumption (TDP)||65 Watt||of 400 (Xeon Platinum 9282)|
Technologies and extensions
Technological capabilities and additional instructions supported by Core 2 Duo E4400. You'll probably need this information if you require some particular technology.
|Enhanced SpeedStep (EIST)||+|
|Enhanced SpeedStep (EIST)||+|
|Turbo Boost Technology||-|
|Demand Based Switching||-|
Processor technologies aimed at improving security, for example, by protecting against hacks.
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
Types, maximum amount and channel number of RAM supported by Core 2 Duo E4400's memory controller. Depending on the motherboard, higher memory frequency may be supported.
|Supported memory types||DDR1, DDR2, DDR3||of 5600 (Ryzen 9 7940HS)|
Single-core and multi-core benchmark results of Core 2 Duo E4400. Overall benchmark performance 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.
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.
Benchmark coverage: 68%
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 37%
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 37%
Send your test results of Core 2 Duo E4400.
Overall Core 2 Duo E4400 performance compared to nearest competitors among desktop CPUs.
According to our data, the closest AMD alternative to Core 2 Duo E4400 is Athlon 64 X2 4400+, which is faster by 2% and higher by 7 positions in our ranking.
Here are some closest AMD rivals to Core 2 Duo E4400:
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
People consider these graphics cards to be good for Core 2 Duo E4400, according to our PC configuration statistics.
These are the fastest graphics cards for Core 2 Duo E4400 in our user configuration statistics. There is a total of 576 configurations based on Core 2 Duo E4400 in our database.
User ratings: view and submit
Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.