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Intel Core i7-10700KA vs Intel Core 2 Duo E8400


Intel Core i7-10700KA on Amazon USA
Intel Core 2 Duo E8400 on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i7-10700KA on one side and the Intel Core 2 Duo E8400 on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 5.1GHz. The second is used on the desktop segment, it has a total of 2 cores, 2 threads, its turbo frequency is set to 3.0 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the date of first broadcast, the maximum number of PCIe lanes, the values ​​obtained in Geekbench 4 and Cinebench R15.






Specifications:


Processor Intel Core i7-10700KA Intel Core 2 Duo E8400
Market Desktop Desktop
Family Comet Lake Wolfdale
Part number(s), S-Spec BX8070110700K,
BXC8070110700K,
CM8070104282436,
QUKR, SRH72
BX80570E8400,
BXC80570E8400,
BX80570E8400A,
AT80570PJ0806M,
EU80570PJ0806M,
SLB9J
Release date Q4 2020 Q1 2008
Lithography 14 nm+++ 45 nm
Transistors - 410,000,000
Cores 8 2
Threads 16 2
Base frequency 3.8 GHz 3.0 GHz
Turbo frequency 5.1 GHz -
Cache memory 16 MB 6 MB
Max memory capacity 128 GB 8 GB
Memory types DDR4-2933 DDR2-800
Max PCIe lanes 16 16
TDP 125 W 65 W
GPU integrated graphics Intel UHD Graphics 630 (Comet Lake) None
GPU execution units 24 -
GPU shading units 192 -
GPU base clock rate 350 MHz -
GPU max clock rate 1200 MHz -
GPU FP32 floating point 460.8 GFLOPS -
Socket LGA1200 LGA775
Cinebench R15 single thread 220 101
Cinebench R15 multi-thread 2,005 175
PassMark single thread 3,080 1,230
PassMark CPU Mark 19,800 1,170
(Windows 64-bit)
Geekbench 4 single core
6,204 1,831
(Windows 64-bit)
Geekbench 4 multi-core
35,139 3,028
(SGEMM)
GFLOPS performance
612.88 GFLOPS 28.9 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
281 pts / W 47 pts / W
Amazon
eBay




We can better compare what are the technical differences between the two processors. The processor Intel Core i7-10700KA has more cores, the maximum frequency of Intel Core i7-10700KA is greater, that the thermal dissipation power of Intel Core 2 Duo E8400 is less. The Intel Core i7-10700KA was designed earlier.

Performances :


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.


Cinebench R15 - Multi-thread & single thread score
Intel Core i7-10700KA#ad 220
2,005
Intel Core 2 Duo E8400#ad 101
175


In single core, the difference is 118%. In multi-core, the differential gap is 1046%.


Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.


PassMark - CPU Mark & single thread
Intel Core i7-10700KA#ad 3,080
19,800
Intel Core 2 Duo E8400#ad 1,230
1,170


In single core, the difference is 150%. In multi-core, the differential gap is 1592%.


PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.


On Windows 64-bit:

Geekbench 4 - Multi-core & single core score - Windows 64-bit
Intel Core i7-10700KA#ad 6,204
35,139
Intel Core 2 Duo E8400#ad 1,831
3,028


In single core, the difference is 239%. In multi-core, the differential gap is 1060%.

On Linux 64-bit:

Geekbench 4 - Multi-core & single core score - Linux 64-bit
Intel Core i7-10700KA#ad 6,908
39,488
Intel Core 2 Duo E8400#ad 2,106
3,124


In single core, the difference is 228%. In multi-core, the differential gap is 1164%.

On Mac OS X 64-bit:

Geekbench 4 - Multi-core & single core score - Mac OS X 64-bit
Intel Core i7-10700KA#ad 6,124
34,948
Intel Core 2 Duo E8400#ad 2,089
3,425


In single core, the difference is 193%. In multi-core, the differential gap is 920%.


Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.


Equivalence:

Intel Core i7-10700KA AMD equivalentIntel Core 2 Duo E8400 AMD equivalent

See also:

Intel Core i7-10700KIntel Core i7-10700KF








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