Core i5-12600KF vs Core 2 Duo E4400

Primary details

Comparing Core 2 Duo E4400 and Core i5-12600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated352
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data46.54
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiencyno data13.30
Architecture codenameAllendale (2006−2009)Alder Lake, Golden Cove, Gracemont (2021)
Release dateJuly 2007 (17 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)no data$264

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo E4400 and Core i5-12600KF 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)10 (Deca-Core)
Threads216
Base clock speed2 GHz3.7 GHz
Boost clock speed2 GHz4.9 GHz
Bus typeno dataDMI 4.0
Bus rate800 MHz8 × 16 GT/s
Multiplierno data37
L1 cache64 KB80K (per core)
L2 cache2 MB9.5 MB
L3 cache0 KB20 MB (shared)
Chip lithography65 nmIntel 7 nm
Die size111 mm2215.25 mm2
Maximum core temperatureL2=61 °C, M0=73 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors167 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E4400 and Core i5-12600KF 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
SocketLGA775FCLGA1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4400 and Core i5-12600KF. 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-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
Turbo Boost Max 3.0no data-
FSB parity-no data
Deep Learning Boost-+

Security technologies

Core 2 Duo E4400 and Core i5-12600KF technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E4400 and Core i5-12600KF are enumerated here.

VT-dno data+
VT-x-+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4400 and Core i5-12600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.805 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E4400 and Core i5-12600KF.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



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 E4400 718
i5-12600KF 27913
+3788%

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 E4400 240
i5-12600KF 2517
+949%

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 E4400 428
i5-12600KF 12309
+2776%

Pros & cons summary


Physical cores 2 10
Threads 2 16
Power consumption (TDP) 65 Watt 125 Watt

Core 2 Duo E4400 has 92.3% lower power consumption.

i5-12600KF, on the other hand, has 400% more physical cores and 700% more threads.

We couldn't decide between Core 2 Duo E4400 and Core i5-12600KF. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo E4400 and Core i5-12600KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo E4400
Core 2 Duo E4400
Intel Core i5-12600KF
Core i5-12600KF

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.2 110 votes

Rate Core 2 Duo E4400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 1776 votes

Rate Core i5-12600KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E4400 or Core i5-12600KF, agree or disagree with our judgements, or report an error or mismatch.