i3-7100 vs i7-9700K

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i7-9700K
2018
8 cores / 8 threads, 95 Watt
9.10
+235%
Core i3-7100
2017
2 cores / 4 threads, 51 Watt
2.72

Core i7-9700K outperforms Core i3-7100 by a whopping 235% based on our aggregate benchmark results.

Primary details

Comparing Core i7-9700K and Core i3-7100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8431708
Place by popularitynot in top-10085
Cost-effectiveness evaluation7.400.82
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7Intel Core i3
Power efficiency9.075.05
Architecture codenameCoffee Lake-R (2018−2019)Kaby Lake (2016−2019)
Release date19 October 2018 (6 years ago)3 January 2017 (7 years ago)
Launch price (MSRP)$374$117

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9700K has 802% better value for money than i3-7100.

Detailed specifications

Core i7-9700K and Core i3-7100 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 cores8 (Octa-Core)2 (Dual-core)
Threads84
Base clock speed3.6 GHz3.9 GHz
Boost clock speed4.9 GHz3.9 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s8 GT/s
Multiplier3639
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache12 MB (shared)3 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C65 °C
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i7-9700K and Core i3-7100 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 (Uniprocessor)
SocketLGA-1151FCLGA1151
Power consumption (TDP)95 Watt51 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-9700K and Core i3-7100. 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++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
SIPP+-

Security technologies

Core i7-9700K and Core i3-7100 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 i7-9700K and Core i3-7100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-9700K and Core i3-7100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i7-9700K and Core i3-7100 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i7-9700K and Core i3-7100 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096x2304@24Hz
Max resolution over eDP4096 x 2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096 x 2304@60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i7-9700K and Core i3-7100 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i7-9700K and Core i3-7100.

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.

i7-9700K 9.10
+235%
i3-7100 2.72

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.

i7-9700K 14452
+235%
i3-7100 4319

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.

i7-9700K 1693
+32.5%
i3-7100 1278

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.

i7-9700K 7186
+187%
i3-7100 2500

Gaming performance

Pros & cons summary


Performance score 9.10 2.72
Integrated graphics card 3.10 3.11
Recency 19 October 2018 3 January 2017
Physical cores 8 2
Threads 8 4
Power consumption (TDP) 95 Watt 51 Watt

i7-9700K has a 234.6% higher aggregate performance score, an age advantage of 1 year, and 300% more physical cores and 100% more threads.

i3-7100, on the other hand, has 0.3% faster integrated GPU, and 86.3% lower power consumption.

The Core i7-9700K is our recommended choice as it beats the Core i3-7100 in performance tests.


Should you still have questions on choice between Core i7-9700K and Core i3-7100, 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 i7-9700K
Core i7-9700K
Intel Core i3-7100
Core i3-7100

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.


3.8 2193 votes

Rate Core i7-9700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 1961 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-9700K or Core i3-7100, agree or disagree with our judgements, or report an error or mismatch.