Core i5-661 vs Core i3-7100

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Aggregate performance score

Core i3-7100
2017
2 cores / 4 threads, 51 Watt
2.80
+76.1%

Core i3-7100 outperforms Core i5-661 by an impressive 76% based on our aggregate benchmark results.

Primary details

Comparing Core i3-7100 and Core i5-661 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking16062005
Place by popularity65not in top-100
Cost-effectiveness evaluation3.280.35
Market segmentDesktop processorDesktop processor
SeriesIntel Core i3no data
Architecture codenameKaby Lake (2016−2019)Clarkdale (2010−2011)
Release date3 January 2017 (7 years ago)7 January 2010 (14 years ago)
Launch price (MSRP)$117$252
Current price$65 (0.6x MSRP)$71 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i3-7100 has 837% better value for money than i5-661.

Detailed specifications

Core i3-7100 and Core i5-661 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 speed3.9 GHz3.33 GHz
Boost clock speed3.9 GHz3.6 GHz
Bus support8 GT/sno data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache3 MB (shared)4 MB (shared)
Chip lithography14 nm32 nm
Die sizeno data81 mm2
Maximum core temperature100 °C70 °C
Maximum case temperature (TCase)65 °Cno data
Number of transistorsno data382 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Core i3-7100 and Core i5-661 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
SocketFCLGA1151FCLGA1156
Power consumption (TDP)51 Watt87 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-7100 and Core i5-661. 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+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-1.0
Hyper-Threading Technology++
TSX-no data
Idle States++
Thermal Monitoring+-
SIPP-no data
Demand Based Switchingno data-
PAEno data36 Bit
FDIno data+
StatusDiscontinuedDiscontinued

Security technologies

Core i3-7100 and Core i5-661 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-7100 and Core i5-661 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-7100 and Core i5-661. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size64 GB16.38 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s21 GB/s
ECC memory support+no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630Intel® HD Graphics for Previous Generation Intel® Processors
Max video memory64 GBno data
Quick Sync Video+no data
Clear Video+no data
Clear Video HD++
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-7100 and Core i5-661 integrated GPUs.

Number of displays supported32

Graphics image quality

Maximum display resolutions supported by Core i3-7100 and Core i5-661 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 i3-7100 and Core i5-661 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-7100 and Core i5-661.

PCIe version3.02.0
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.

i3-7100 2.80
+76.1%
i5-661 1.59

Core i3-7100 outperforms Core i5-661 by 76% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

i3-7100 4330
+75.6%
i5-661 2466

Core i3-7100 outperforms Core i5-661 by 76% in Passmark.

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.

Benchmark coverage: 42%

i3-7100 1251
+156%
i5-661 488

Core i3-7100 outperforms Core i5-661 by 156% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i3-7100 2452
+164%
i5-661 929

Core i3-7100 outperforms Core i5-661 by 164% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 2.80 1.59
Recency 3 January 2017 7 January 2010
Cost $117 $252
Chip lithography 14 nm 32 nm
Power consumption (TDP) 51 Watt 87 Watt

The Core i3-7100 is our recommended choice as it beats the Core i5-661 in performance tests.


Should you still have questions on choice between Core i3-7100 and Core i5-661, ask them in Comments section, and we shall answer.

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Intel Core i3-7100
Core i3-7100
Intel Core i5-661
Core i5-661

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Community ratings

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Questions & comments

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