FX-8170 vs i7-870S

Primary details

Comparing Core i7-870S and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2022	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	2.01	no data
Architecture codename	Lynnfield (2009−2010)	Zambezi (2011−2012)
Release date	19 July 2010 (14 years ago)	23 October 2012 (12 years ago)

Detailed specifications

Core i7-870S 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	8	8
Base clock speed	2.66 GHz	3.9 GHz
Boost clock speed	3.6 GHz	4.5 GHz
Bus rate	2.5 GT/s	no data
L1 cache	64 KB (per core)	384 KB
L2 cache	256 KB (per core)	8 MB
L3 cache	8 MB (shared)	8 MB (shared)
Chip lithography	45 nm	32 nm
Die size	296 mm2	315 mm2
Number of transistors	774 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Core i7-870S 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	FCLGA1156,LGA1156	AM3+
Power consumption (TDP)	82 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-870S and FX-8170. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-870S and FX-8170 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 i7-870S 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 i7-870S and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-870S and FX-8170.

PCIe version	2.0	2.0
PCI Express lanes	16	no data

Pros & cons summary

---

Recency	19 July 2010	23 October 2012
Physical cores	4	8
Chip lithography	45 nm	32 nm
Power consumption (TDP)	82 Watt	125 Watt

---

Should you still have questions on choice between Core i7-870S and FX-8170, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---