FX-8100 vs i3-8100B

VS

Aggregate performance score

Core i3-8100B
4 cores / 4 threads, 65 Watt
3.86
+48.5%
FX-8100
2011
8 cores / 8 threads, 95 Watt
2.60

Core i3-8100B outperforms FX-8100 by a considerable 48% based on our aggregate benchmark results.

Primary details

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

Place in the ranking14681733
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
Power efficiency5.522.54
Architecture codenameno dataZambezi (2011−2012)
Release dateno data (2024 years ago)12 October 2011 (13 years ago)

Detailed specifications

Core i3-8100B and FX-8100 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 GHz2.8 GHz
Boost clock speedno data3.7 GHz
Bus rate8 GT/sno data
L1 cacheno data384 KB
L2 cacheno data8 MB
L3 cache6 MB Intel® Smart Cache8 MB (shared)
Chip lithography14 nm32 nm
Die sizeno data315 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data1,200 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier-+

Compatibility

Information on Core i3-8100B and FX-8100 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 configuration11
SocketFCBGA1440AM3+
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8100B and FX-8100. 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 Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i3-8100B and FX-8100 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 i3-8100B and FX-8100 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 i3-8100B and FX-8100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3
Maximum memory size64 GBno data
Max memory channels2no data

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 frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-8100B and FX-8100 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i3-8100B and FX-8100 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i3-8100B and FX-8100 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

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

PCIe version3.02.0
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.

i3-8100B 3.86
+48.5%
FX-8100 2.60

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.

i3-8100B 6015
+48.3%
FX-8100 4055

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.

i3-8100B 1245
+203%
FX-8100 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.

i3-8100B 3558
+95.6%
FX-8100 1819

Gaming performance

Pros & cons summary


Performance score 3.86 2.60
Physical cores 4 8
Threads 4 8
Chip lithography 14 nm 32 nm
Power consumption (TDP) 65 Watt 95 Watt

i3-8100B has a 48.5% higher aggregate performance score, a 128.6% more advanced lithography process, and 46.2% lower power consumption.

FX-8100, on the other hand, has 100% more physical cores and 100% more threads.

The Core i3-8100B is our recommended choice as it beats the FX-8100 in performance tests.

Be aware that Core i3-8100B is a notebook processor while FX-8100 is a desktop one.


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

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Intel Core i3-8100B
Core i3-8100B
AMD FX-8100
FX-8100

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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