Core i5-9400F vs Core 2 Duo E7400

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Aggregate performance score

Core 2 Duo E7400
2008
2 cores / 2 threads, 65 Watt
0.66
Core i5-9400F
2019
6 cores / 6 threads, 65 Watt
5.96
+803%

Core i5-9400F outperforms Core 2 Duo E7400 by a whopping 803% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E7400 and Core i5-9400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27601108
Place by popularitynot in top-10024
Cost-effectiveness evaluationno data9.42
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiency0.968.68
Architecture codenameWolfdale (2008−2010)Coffee Lake-R (2018−2019)
Release dateOctober 2008 (16 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)no data$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo E7400 and Core i5-9400F 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)6 (Hexa-Core)
Threads26
Base clock speed2.8 GHz2.9 GHz
Boost clock speed2.8 GHz4.1 GHz
Bus typeno dataDMI 3.0
Bus rate1066 MHz4 × 8 GT/s
Multiplierno data29
L1 cache64 KB64K (per core)
L2 cache3 MB (shared)256K (per core)
L3 cache0 KB9 MB (shared)
Chip lithography45 nm14 nm
Die size82 mm2149 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)74 °C72 °C
Number of transistors228 millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E7400 and Core i5-9400F 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 (Uniprocessor)
SocketLGA775FCLGA1151
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7400 and Core i5-9400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E7400 and Core i5-9400F technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E7400 and Core i5-9400F are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Core i5-9400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E7400 and Core i5-9400F.

PCIe versionno data3.0
PCI Express lanesno data16

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 Duo E7400 0.66
i5-9400F 5.96
+803%

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 Duo E7400 1041
i5-9400F 9468
+810%

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.

Core 2 Duo E7400 318
i5-9400F 1404
+342%

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.

Core 2 Duo E7400 512
i5-9400F 4908
+859%

Gaming performance

Pros & cons summary


Performance score 0.66 5.96
Physical cores 2 6
Threads 2 6
Chip lithography 45 nm 14 nm

i5-9400F has a 803% higher aggregate performance score, 200% more physical cores and 200% more threads, and a 221.4% more advanced lithography process.

The Core i5-9400F is our recommended choice as it beats the Core 2 Duo E7400 in performance tests.


Should you still have questions on choice between Core 2 Duo E7400 and Core i5-9400F, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E7400
Core 2 Duo E7400
Intel Core i5-9400F
Core i5-9400F

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Community ratings

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Questions & comments

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