i5-660 vs A8-6600K

VS

Aggregate performance score

A8-6600K
2013
4 cores / 4 threads, 100 Watt
1.89
+25.2%
Core i5-660
2010
2 cores / 4 threads, 73 Watt
1.51

A8-6600K outperforms Core i5-660 by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing A8-6600K and Core i5-660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19832150
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.310.10
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)no data
Power efficiency1.791.96
Architecture codenameRichland (2013−2014)Clarkdale (2010−2011)
Release date1 June 2013 (11 years ago)7 January 2010 (14 years ago)
Launch price (MSRP)$142$70

Cost-effectiveness evaluation

Performance per price, higher is better.

A8-6600K has 210% better value for money than i5-660.

Detailed specifications

A8-6600K and Core i5-660 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)2 (Dual-core)
Threads44
Base clock speed3.9 GHz3.33 GHz
Boost clock speed4.2 GHz3.6 GHz
Bus rateno data2.5 GT/s
L1 cache192 KB64 KB (per core)
L2 cache4096 KB256 KB (per core)
L3 cache0 KB4 MB (shared)
Chip lithography32 nm32 nm
Die size246 mm281 mm2
Maximum core temperature74 °C73 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 million382 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A8-6600K and Core i5-660 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
SocketFM2FCLGA1156
Power consumption (TDP)100 Watt73 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-6600K and Core i5-660. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2
AES-NI++
FMAFMA4-
AVXAVX-
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data1.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Demand Based Switchingno data-
PAEno data36 Bit
FDIno data+

Security technologies

A8-6600K and Core i5-660 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-6600K and Core i5-660 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-6600K and Core i5-660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR3
Maximum memory sizeno data16.38 GB
Max memory channels22
Maximum memory bandwidthno data21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 8570DIntel HD Graphics for Previous Generation Intel Processors
จำนวนพาธไลน์256no data
Clear Video HDno data+
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A8-6600K and Core i5-660 integrated GPUs.

Number of displays supportedno data2
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A8-6600K and Core i5-660 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A8-6600K and Core i5-660.

PCIe version2.02.0
PCI Express lanesno data16

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.

A8-6600K 1.89
+25.2%
i5-660 1.51

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.

A8-6600K 2998
+24.9%
i5-660 2400

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.

A8-6600K 447
i5-660 487
+8.9%

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.

A8-6600K 1070
+8%
i5-660 991

3DMark Fire Strike Physics

A8-6600K 3970
i5-660 6880
+73.3%

Gaming performance

Pros & cons summary


Performance score 1.89 1.51
Integrated graphics card 1.13 0.77
Recency 1 June 2013 7 January 2010
Physical cores 4 2
Power consumption (TDP) 100 Watt 73 Watt

A8-6600K has a 25.2% higher aggregate performance score, 46.8% faster integrated GPU, an age advantage of 3 years, and 100% more physical cores.

i5-660, on the other hand, has 37% lower power consumption.

The A8-6600K is our recommended choice as it beats the Core i5-660 in performance tests.


Should you still have questions on choice between A8-6600K and Core i5-660, ask them in Comments section, and we shall answer.

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AMD A8-6600K
A8-6600K
Intel Core i5-660
Core i5-660

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Community ratings

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Questions & comments

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