FX-8170 vs i5-2550K

Primary details

Comparing Core i5-2550K and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1719	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.65	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	2.59	no data
Architecture codename	Sandy Bridge (2011−2013)	Zambezi (2011−2012)
Release date	January 2012 (12 years ago)	23 October 2012 (12 years ago)
Launch price (MSRP)	$189	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-2550K and FX-8170 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	8
Base clock speed	3.4 GHz	3.9 GHz
Boost clock speed	3.8 GHz	4.5 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	384 KB
L2 cache	256 KB (per core)	8 MB
L3 cache	6144 KB (shared)	8 MB (shared)
Chip lithography	32 nm	32 nm
Die size	216 mm2	315 mm2
Maximum core temperature	73 °C	no data
Number of transistors	1160 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	+

Compatibility

Information on Core i5-2550K and FX-8170 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
Socket	FCLGA1155,LGA1155	AM3+
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2550K and FX-8170. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
FDI	-	no data
Fast Memory Access	+	no data

Security technologies

Core i5-2550K and FX-8170 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2550K and FX-8170 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2550K and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Quick Sync Video

+

-

Peripherals

Specifications and connection of peripherals supported by Core i5-2550K and FX-8170.

PCIe version	2.0	2.0
PCI Express lanes	16	no data

Pros & cons summary

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Physical cores	4	8
Threads	4	8
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Core i5-2550K and FX-8170, ask them in Comments section, and we shall answer.

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