FX-8120 vs i3-8100

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Aggregate performance score

Core i3-8100
2017
4 cores / 4 threads, 65 Watt
3.84
FX-8120
2011
8 cores / 8 threads, 125 Watt
4.15
+8.1%

FX-8120 outperforms Core i3-8100 by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i3-8100 and FX-8120 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14541382
Place by popularity74not in top-100
Cost-effectiveness evaluation4.18no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i3no data
Power efficiency5.863.14
Architecture codenameCoffee Lake (2017−2019)Zambezi (2011−2012)
Release date5 October 2017 (7 years ago)12 October 2011 (13 years ago)
Launch price (MSRP)$117no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-8100 and FX-8120 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 GHz3.1 GHz
Boost clock speed3.6 GHz4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier36no data
L1 cache64K (per core)384 KB
L2 cache256K (per core)8192 KB
L3 cache6 MB (shared)8192 KB
Chip lithography14 nm32 nm
Die size126 mm2315 mm2
Maximum core temperature100 °C61 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,200 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier-+
P0 Vcore voltageno dataMin: 1.0125 V - Max: 1.4125 V

Compatibility

Information on Core i3-8100 and FX-8120 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
SocketFCLGA1151AM3+
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8100 and FX-8120. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i3-8100 and FX-8120 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8100 and FX-8120 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8100 and FX-8120. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR3
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data
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 FX-8120 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i3-8100 and FX-8120 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 FX-8120 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-8100 and FX-8120.

PCIe version3.0n/a
PCI Express lanes16no data

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
FX-8120 4.15
+8.1%

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 6101
FX-8120 6594
+8.1%

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 1266
+208%
FX-8120 411

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 3471
+128%
FX-8120 1523

Gaming performance

Pros & cons summary


Performance score 3.84 4.15
Recency 5 October 2017 12 October 2011
Physical cores 4 8
Threads 4 8
Chip lithography 14 nm 32 nm
Power consumption (TDP) 65 Watt 125 Watt

i3-8100 has an age advantage of 5 years, a 128.6% more advanced lithography process, and 92.3% lower power consumption.

FX-8120, on the other hand, has a 8.1% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Given the minimal performance differences, no clear winner can be declared between Core i3-8100 and FX-8120.


Should you still have questions on choice between Core i3-8100 and FX-8120, ask them in Comments section, and we shall answer.

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Intel Core i3-8100
Core i3-8100
AMD FX-8120
FX-8120

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Community ratings

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Questions & comments

Here you can ask a question about Core i3-8100 or FX-8120, agree or disagree with our judgements, or report an error or mismatch.