i5-655K vs i3-6100U

Aggregate performance score

Core i3-6100U
2015
2 cores / 4 threads, 15 Watt
1.66
+30.7%
Core i5-655K
2010
2 cores / 4 threads, 73 Watt
1.27

Core i3-6100U outperforms Core i5-655K by a substantial 31% based on our aggregate benchmark results.

Primary details

Comparing Core i3-6100U and Core i5-655K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20652284
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i3no data
Power efficiency10.471.65
Architecture codenameSkylake (2015−2016)Clarkdale (2010−2011)
Release date1 September 2015 (9 years ago)30 May 2010 (14 years ago)
Launch price (MSRP)$281no data

Detailed specifications

Core i3-6100U and Core i5-655K 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)2 (Dual-core)
Threads44
Base clock speed2.3 GHz3.2 GHz
Boost clock speed2.3 GHz3.46 GHz
Bus typeOPIno data
Bus rate4 GT/s2.5 GT/s
Multiplier23no data
L1 cache128 KB64 KB (per core)
L2 cache512 KB256 KB (per core)
L3 cache3 MB4 MB (shared)
Chip lithography14 nm32 nm
Die size98.57 mm281 mm2
Maximum core temperature100 °C73 °C
Number of transistors1750 Million382 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i3-6100U and Core i5-655K 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
SocketFCBGA1356FCLGA1156
Power consumption (TDP)15 Watt73 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-6100U and Core i5-655K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.2
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology-1.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data
Demand Based Switchingno data-
PAEno data36 Bit
FDIno data+

Security technologies

Core i3-6100U and Core i5-655K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
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 Core i5-655K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-6100U and Core i5-655K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size32 GB16.38 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 520Intel® HD Graphics for Previous Generation Intel® Processors
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD++
Graphics max frequency1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-6100U and Core i5-655K integrated GPUs.

Number of displays supported32
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i3-6100U and Core i5-655K 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 Core i5-655K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-6100U and Core i5-655K.

PCIe version3.02.0
PCI Express lanes1216

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
+30.7%
i5-655K 1.27

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
+30.6%
i5-655K 2017

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.

i3-6100U 758
+41.2%
i5-655K 537

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.

i3-6100U 1547
+24.1%
i5-655K 1247

Gaming performance

Pros & cons summary


Performance score 1.66 1.27
Recency 1 September 2015 30 May 2010
Chip lithography 14 nm 32 nm
Power consumption (TDP) 15 Watt 73 Watt

i3-6100U has a 30.7% higher aggregate performance score, an age advantage of 5 years, a 128.6% more advanced lithography process, and 386.7% lower power consumption.

The Core i3-6100U is our recommended choice as it beats the Core i5-655K in performance tests.

Be aware that Core i3-6100U is a notebook processor while Core i5-655K is a desktop one.


Should you still have questions on choice between Core i3-6100U and Core i5-655K, ask them in Comments section, and we shall answer.

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Intel Core i3-6100U
Core i3-6100U
Intel Core i5-655K
Core i5-655K

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Community ratings

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Questions & comments

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