A8-3870K vs i3-6100U

VS

Aggregate performance score

Core i3-6100U
2015
2 cores / 4 threads, 15 Watt
1.66
+12.9%
A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47

Core i3-6100U outperforms A8-3870K by a moderate 13% based on our aggregate benchmark results.

Primary details

Comparing Core i3-6100U and A8-3870K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20662162
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i3no data
Power efficiency10.471.39
Architecture codenameSkylake (2015−2016)Llano (2011−2012)
Release date1 September 2015 (9 years ago)20 December 2011 (12 years ago)
Launch price (MSRP)$281no data

Detailed specifications

Core i3-6100U and A8-3870K 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)4 (Quad-Core)
Threads44
Base clock speed2.3 GHz3 GHz
Boost clock speed2.3 GHz3 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier23no data
L1 cache128 KB128 KB (per core)
L2 cache512 KB1 MB (per core)
L3 cache3 MB0 KB
Chip lithography14 nm32 nm
Die size98.57 mm2228 mm2
Maximum core temperature100 °Cno data
Number of transistors1750 Million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i3-6100U and A8-3870K 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
SocketFCBGA1356FM1
Power consumption (TDP)15 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-6100U and A8-3870K. 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+-
AVX+-
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data

Security technologies

Core i3-6100U and A8-3870K 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 i3-6100U and A8-3870K 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 i3-6100U and A8-3870K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 520AMD Radeon HD 6550D
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-6100U and A8-3870K integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i3-6100U and A8-3870K 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 i3-6100U and A8-3870K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-6100U and A8-3870K.

PCIe version3.0no data
PCI Express lanes12no 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.

i3-6100U 1.66
+12.9%
A8-3870K 1.47

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.

i3-6100U 2634
+13.1%
A8-3870K 2328

Gaming performance

Pros & cons summary


Performance score 1.66 1.47
Integrated graphics card 2.15 1.04
Recency 1 September 2015 20 December 2011
Physical cores 2 4
Chip lithography 14 nm 32 nm
Power consumption (TDP) 15 Watt 100 Watt

i3-6100U has a 12.9% higher aggregate performance score, 106.7% faster integrated GPU, an age advantage of 3 years, a 128.6% more advanced lithography process, and 566.7% lower power consumption.

A8-3870K, on the other hand, has 100% more physical cores.

The Core i3-6100U is our recommended choice as it beats the A8-3870K in performance tests.

Be aware that Core i3-6100U is a notebook processor while A8-3870K is a desktop one.


Should you still have questions on choice between Core i3-6100U and A8-3870K, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i3-6100U
Core i3-6100U
AMD A8-3870K
A8-3870K

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Community ratings

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