FX-4170 vs Core i7-870S

General info

Comparing Core i7-870S and FX-4170 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1888	1822
Place by popularity	not in top-100	not in top-100
Value for money	3.15	0.43
Market segment	Desktop processor	Desktop processor
Architecture codename	Lynnfield (2009−2010)	Zambezi (2011−2012)
Release date	19 July 2010 (13 years old)	27 February 2012 (12 years old)
Current price	$59	$101

Value for money

Performance per price, higher is better.

i7-870S has 633% better value for money than FX-4170.

Technical specs

Core i7-870S and FX-4170 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	2.66 GHz	4.2 GHz
Boost clock speed	3.6 GHz	4.3 GHz
L1 cache	64 KB (per core)	192 KB
L2 cache	256 KB (per core)	4096 KB
L3 cache	8 MB (shared)	8192 KB
Chip lithography	45 nm	32 nm
Die size	296 mm2	315 mm2
Maximum core temperature	no data	61 °C
Number of transistors	774 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
P0 Vcore voltage	no data	Min: 1.1875 V - Max: 1.4125 V

Compatibility

Information on Core i7-870S and FX-4170 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-4170. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
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
Status	Discontinued	no data

Security technologies

Core i7-870S and FX-4170 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-4170 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 i7-870S and FX-4170. 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
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-870S and FX-4170.

PCIe version	2.0	n/a
PCI Express lanes	16	no data

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.

FX-4170 outperforms Core i7-870S by 9% based on our aggregated benchmark results.

---

Advantages and disadvantages

---

Performance score	1.79	1.96
Recency	19 July 2010	27 February 2012
Threads	8	4
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-4170, ask them in Comments section, and we shall answer.

Vote

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

---