i7-10700K vs Celeron 3865U

#ad 
Buy on Amazon
VS

Aggregate performance score

Celeron 3865U
2017
2 cores / 2 threads, 15 Watt
0.86
Core i7-10700K
2020
8 cores / 16 threads, 125 Watt
12.27
+1327%

Core i7-10700K outperforms Celeron 3865U by a whopping 1327% based on our aggregate benchmark results.

Primary details

Comparing Celeron 3865U and Core i7-10700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2572644
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data15.00
Market segmentLaptopDesktop processor
SeriesIntel Celeronno data
Power efficiency5.238.95
Architecture codenameKaby Lake-U (2017)Comet Lake (2020)
Release date3 January 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$107$400

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron 3865U and Core i7-10700K 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)8 (Octa-Core)
Threads216
Base clock speed1.8 GHz3.8 GHz
Boost clock speed1.8 GHz5.1 GHz
Bus typeOPIno data
Bus rate4 GT/s8 GT/s
Multiplier22no data
L1 cache128 KB64K (per core)
L2 cache512 KB256K (per core)
L3 cache2 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size98.7 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Celeron 3865U and Core i7-10700K 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 configuration1 (Uniprocessor)1
SocketFCBGA1356,FPBGA1356FCLGA1200
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3865U and Core i7-10700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology-2.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Smart Response+no data
Turbo Boost Max 3.0no data+

Security technologies

Celeron 3865U and Core i7-10700K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection-+
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3865U and Core i7-10700K are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3865U and Core i7-10700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 610Intel UHD Graphics 630
Max video memory32 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency900 MHz1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Celeron 3865U and Core i7-10700K integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Celeron 3865U and Core i7-10700K integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2160@30Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Celeron 3865U and Core i7-10700K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.44.5

Peripherals

Specifications and connection of peripherals supported by Celeron 3865U and Core i7-10700K.

PCIe version2.03.0
PCI Express lanes1616

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.

Celeron 3865U 0.86
i7-10700K 12.27
+1327%

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.

Celeron 3865U 1321
i7-10700K 18778
+1321%

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.

Celeron 3865U 393
i7-10700K 1729
+340%

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.

Celeron 3865U 692
i7-10700K 8192
+1084%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Celeron 3865U 2853
i7-10700K 7910
+177%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Celeron 3865U 5425
i7-10700K 50670
+834%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Celeron 3865U 39.36
i7-10700K 3.18
+1138%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Celeron 3865U 2
i7-10700K 22
+1237%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Celeron 3865U 142
i7-10700K 2027
+1327%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Celeron 3865U 72
i7-10700K 208
+189%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Celeron 3865U 0.86
i7-10700K 2.38
+177%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Celeron 3865U 0.8
i7-10700K 11.2
+1283%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Celeron 3865U 11
i7-10700K 121
+1020%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Celeron 3865U 54
i7-10700K 269
+394%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Celeron 3865U 1108
i7-10700K 8469
+664%

Gaming performance

Pros & cons summary


Performance score 0.86 12.27
Integrated graphics card 1.85 3.09
Recency 3 January 2017 30 April 2020
Physical cores 2 8
Threads 2 16
Power consumption (TDP) 15 Watt 125 Watt

Celeron 3865U has 733.3% lower power consumption.

i7-10700K, on the other hand, has a 1326.7% higher aggregate performance score, 67% faster integrated GPU, an age advantage of 3 years, and 300% more physical cores and 700% more threads.

The Core i7-10700K is our recommended choice as it beats the Celeron 3865U in performance tests.

Be aware that Celeron 3865U is a notebook processor while Core i7-10700K is a desktop one.


Should you still have questions on choice between Celeron 3865U and Core i7-10700K, 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 Celeron 3865U
Celeron 3865U
Intel Core i7-10700K
Core i7-10700K

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.


3.3 116 votes

Rate Celeron 3865U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1481 vote

Rate Core i7-10700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Celeron 3865U or Core i7-10700K, agree or disagree with our judgements, or report an error or mismatch.