Ryzen 5 2600 vs Core i5-661

Primary details

Comparing Core i5-661 and Ryzen 5 2600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1985	818
Place by popularity	not in top-100	27
Cost-effectiveness evaluation	0.35	19.81
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 5
Architecture codename	Clarkdale (2010−2011)	Pinnacle Riege (Zen+)
Release date	7 January 2010 (14 years ago)	19 April 2018 (6 years ago)
Launch price (MSRP)	$252	$199
Current price	$71 (0.3x MSRP)	$147 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 5 2600 has 5560% better value for money than i5-661.

Detailed specifications

Core i5-661 and Ryzen 5 2600 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)	6 (Hexa-Core)
Threads	4	12
Base clock speed	3.33 GHz	3.4 GHz
Boost clock speed	3.6 GHz	3.9 GHz
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	3 MB
L3 cache	4 MB (shared)	16 MB (shared)
Chip lithography	32 nm	12 nm
Die size	81 mm2	192 mm2
Maximum core temperature	70 °C	95 °C
Number of transistors	382 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i5-661 and Ryzen 5 2600 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	AM4
Power consumption (TDP)	87 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-661 and Ryzen 5 2600. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	DDR4-2933 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data
FDI	+	no data
Status	Discontinued	no data

Security technologies

Core i5-661 and Ryzen 5 2600 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-661 and Ryzen 5 2600 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-661 and Ryzen 5 2600. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16.38 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	46.933 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	-
Clear Video HD	+	-

Graphics interfaces

Available interfaces and connections of Core i5-661 and Ryzen 5 2600 integrated GPUs.

Number of displays supported

2

-

Peripherals

Specifications and connection of peripherals supported by Core i5-661 and Ryzen 5 2600.

PCIe version	2.0	3.0
PCI Express lanes	16	20

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.

Ryzen 5 2600 outperforms Core i5-661 by 436% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.59	8.53
Recency	7 January 2010	19 April 2018
Physical cores	2	6
Threads	4	12
Cost	$252	$199
Chip lithography	32 nm	12 nm
Power consumption (TDP)	87 Watt	65 Watt

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Should you still have questions on choice between Core i5-661 and Ryzen 5 2600, ask them in Comments section, and we shall answer.

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