Pentium P6000 vs i5-661

Primary details

Comparing Core i5-661 and Pentium P6000 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2113	2868
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.11	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Pentium
Power efficiency	1.69	1.38
Architecture codename	Clarkdale (2010−2011)	Arrandale (2010−2011)
Release date	7 January 2010 (14 years ago)	20 June 2010 (14 years ago)
Launch price (MSRP)	$252	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-661 and Pentium P6000 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 cores	2 (Dual-core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.33 GHz	1.86 GHz
Boost clock speed	3.6 GHz	1.88 GHz
Bus type	no data	DMI 1.0
Bus rate	2.5 GT/s	1 × 2.5 GT/s
Multiplier	no data	14
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	4 MB (shared)	3 MB (shared)
Chip lithography	32 nm	32 nm
Die size	81 mm2	81+114 mm2
Maximum core temperature	70 °C	90 °C
Number of transistors	382 million	384 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-661 and Pentium P6000 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 configuration	1	1 (Uniprocessor)
Socket	FCLGA1156	PGA988
Power consumption (TDP)	87 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-661 and Pentium P6000. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	-
FMA	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Demand Based Switching	-	-
PAE	36 Bit	36 Bit
FDI	+	+
Fast Memory Access	no data	+

Security technologies

Core i5-661 and Pentium P6000 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-661 and Pentium P6000 are enumerated here.

VT-d	+	-
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-661 and Pentium P6000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16.38 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for Previous Generation Intel Processors	Intel HD Graphics for Previous Generation Intel Processors
Clear Video	no data	+
Clear Video HD	+	no data
Graphics max frequency	no data	667 MHz

Graphics interfaces

Available interfaces and connections of Core i5-661 and Pentium P6000 integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Core i5-661 and Pentium P6000.

PCIe version	2.0	2.0
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

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Pros & cons summary

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Performance score	1.55	0.51
Recency	7 January 2010	20 June 2010
Threads	4	2
Power consumption (TDP)	87 Watt	35 Watt

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Should you still have questions on choice between Core i5-661 and Pentium P6000, ask them in Comments section, and we shall answer.

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