i7-9700KF vs i3-8100

VS

Aggregate performance score

Core i3-8100
2017
4 cores / 4 threads, 65 Watt
3.84
Core i7-9700KF
2019
8 cores / 8 threads, 95 Watt
8.97
+134%

Core i7-9700KF outperforms Core i3-8100 by a whopping 134% based on our aggregate benchmark results.

Primary details

Comparing Core i3-8100 and Core i7-9700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1467859
Place by popularity53not in top-100
Cost-effectiveness evaluation4.277.85
Market segmentDesktop processorDesktop processor
SeriesIntel Core i3Intel Core i7
Power efficiency5.868.94
Architecture codenameCoffee Lake (2017−2019)Coffee Lake (2017−2019)
Release date5 October 2017 (7 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)$117$374

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9700KF has 84% better value for money than i3-8100.

Detailed specifications

Core i3-8100 and Core i7-9700KF 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 cores4 (Quad-Core)8 (Octa-Core)
Threads48
Base clock speed3.6 GHz3.6 GHz
Boost clock speed3.6 GHz4.9 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3636
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache6 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i3-8100 and Core i7-9700KF 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)
SocketFCLGA1151FCLGA1151
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8100 and Core i7-9700KF. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology--
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+

Security technologies

Core i3-8100 and Core i7-9700KF 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 i3-8100 and Core i7-9700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8100 and Core i7-9700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4-2666
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s42.671 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-8100 and Core i7-9700KF integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i3-8100 and Core i7-9700KF integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i3-8100 and Core i7-9700KF integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-8100 and Core i7-9700KF.

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.

i3-8100 3.84
i7-9700KF 8.97
+134%

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.

i3-8100 6102
i7-9700KF 14251
+134%

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.

i3-8100 1265
i7-9700KF 1698
+34.2%

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.

i3-8100 3463
i7-9700KF 7228
+109%

Gaming performance

Pros & cons summary


Performance score 3.84 8.97
Recency 5 October 2017 8 January 2019
Physical cores 4 8
Threads 4 8
Power consumption (TDP) 65 Watt 95 Watt

i3-8100 has 46.2% lower power consumption.

i7-9700KF, on the other hand, has a 133.6% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores and 100% more threads.

The Core i7-9700KF is our recommended choice as it beats the Core i3-8100 in performance tests.


Should you still have questions on choice between Core i3-8100 and Core i7-9700KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i3-8100
Core i3-8100
Intel Core i7-9700KF
Core i7-9700KF

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Community ratings

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Questions & comments

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