i9-10900K vs i3-7100

Aggregate performance score

Core i3-7100
2017
2 cores / 4 threads, 51 Watt
2.82
Core i9-10900K
2020
10 cores / 20 threads, 125 Watt
14.88
+428%

Core i9-10900K outperforms Core i3-7100 by a whopping 428% based on our aggregate benchmark results.

Primary details

Comparing Core i3-7100 and Core i9-10900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1689498
Place by popularity79not in top-100
Cost-effectiveness evaluation1.0715.86
Market segmentDesktop processorDesktop processor
SeriesIntel Core i3no data
Power efficiency5.0410.85
Architecture codenameKaby Lake (2016−2019)Comet Lake (2020)
Release date3 January 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$117$488

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-10900K has 1382% better value for money than i3-7100.

Detailed specifications

Core i3-7100 and Core i9-10900K 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)
Threads420
Base clock speed3.9 GHz3.7 GHz
Boost clock speed3.9 GHz5.2 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/s8 GT/s
Multiplier39no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache3 MB (shared)20 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data206 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)65 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i3-7100 and Core i9-10900K 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)51 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-7100 and Core i9-10900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
SIPP-+
Turbo Boost Max 3.0no data+

Security technologies

Core i3-7100 and Core i9-10900K 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 Core i3-7100 and Core i9-10900K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-7100 and Core i9-10900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s45.8 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 630Intel UHD Graphics 630
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.2 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i3-7100 and Core i9-10900K integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i3-7100 and Core i9-10900K 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 Core i3-7100 and Core i9-10900K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i3-7100 and Core i9-10900K.

PCIe version3.03.0
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.

i3-7100 2.82
i9-10900K 14.88
+428%

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.

i3-7100 4323
i9-10900K 22767
+427%

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.

i3-7100 1276
i9-10900K 1775
+39.1%

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.

i3-7100 2495
i9-10900K 9065
+263%

Gaming performance

Pros & cons summary


Performance score 2.82 14.88
Integrated graphics card 3.10 3.09
Recency 3 January 2017 30 April 2020
Physical cores 2 10
Threads 4 20
Power consumption (TDP) 51 Watt 125 Watt

i3-7100 has 0.3% faster integrated GPU, and 145.1% lower power consumption.

i9-10900K, on the other hand, has a 427.7% higher aggregate performance score, an age advantage of 3 years, and 400% more physical cores and 400% more threads.

The Core i9-10900K is our recommended choice as it beats the Core i3-7100 in performance tests.


Should you still have questions on choice between Core i3-7100 and Core i9-10900K, 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 i3-7100
Core i3-7100
Intel Core i9-10900K
Core i9-10900K

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.


3.6 1910 votes

Rate Core i3-7100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 1222 votes

Rate Core i9-10900K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i3-7100 or Core i9-10900K, agree or disagree with our judgements, or report an error or mismatch.