Core i7-12700H vs Core 2 Duo E6400

#ad 
Buy on Amazon
VS

Aggregate performance score

Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49
Core i7-12700H
2022
14 cores / 20 threads, 45 Watt
16.43
+3253%

Core i7-12700H outperforms Core 2 Duo E6400 by a whopping 3253% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6400 and Core i7-12700H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2902405
Place by popularitynot in top-10066
Market segmentDesktop processorLaptop
Seriesno dataAlder Lake-S
Power efficiency0.7134.37
Architecture codenameConroe (2006−2007)Alder Lake-H (2022)
Release dateJuly 2006 (18 years ago)January 2022 (2 years ago)

Detailed specifications

Core 2 Duo E6400 and Core i7-12700H 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)14 (Tetradeca-Core)
Threads220
Base clock speed2.13 GHz2.3 GHz
Boost clock speed2.13 GHz4.7 GHz
Bus rate1066 MHzno data
L1 cache64 KB80K (per core)
L2 cache2 MB1.25 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography65 nmIntel 7 nm
Die size143 mm2217 mm2
Maximum core temperature61 °C100 °C
Number of transistors291 millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6400 and Core i7-12700H 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
SocketLGA775,PLGA775FCBGA1744
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Core i7-12700H. 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)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
FSB parity-no data
Deep Learning Boost-+

Security technologies

Core 2 Duo E6400 and Core i7-12700H technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Core i7-12700H 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 E6400 and Core i7-12700H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.4 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Core 2 Duo E6400 and Core i7-12700H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core 2 Duo E6400 and Core i7-12700H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core 2 Duo E6400 and Core i7-12700H integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Core i7-12700H.

PCIe versionno data4.0
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.


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 E6400 0.49
i7-12700H 16.43
+3253%

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 E6400 780
i7-12700H 26098
+3246%

Gaming performance

Pros & cons summary


Performance score 0.49 16.43
Physical cores 2 14
Threads 2 20
Power consumption (TDP) 65 Watt 45 Watt

i7-12700H has a 3253.1% higher aggregate performance score, 600% more physical cores and 900% more threads, and 44.4% lower power consumption.

The Core i7-12700H is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Note that Core 2 Duo E6400 is a desktop processor while Core i7-12700H is a notebook one.


Should you still have questions on choice between Core 2 Duo E6400 and Core i7-12700H, 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 E6400
Core 2 Duo E6400
Intel Core i7-12700H
Core i7-12700H

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.


3.4 151 vote

Rate Core 2 Duo E6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 2325 votes

Rate Core i7-12700H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6400 or Core i7-12700H, agree or disagree with our judgements, or report an error or mismatch.