FX-4320 vs Athlon X4 845

Primary details

Comparing Athlon X4 845 and FX-4320 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1681	1838
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.38	4.00
Market segment	Desktop processor	Desktop processor
Architecture codename	Carrizo (2015−2018)	Vishera (2012−2015)
Release date	2 February 2016 (8 years ago)	23 October 2012 (11 years ago)
Current price	$50	$53

Cost-effectiveness evaluation

Performance per price, higher is better.

FX-4320 has 190% better value for money than Athlon X4 845.

Detailed specifications

Athlon X4 845 and FX-4320 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	4	4
Base clock speed	3.5 GHz	4 GHz
Boost clock speed	3.8 GHz	4.1 GHz
L1 cache	320K	192 KB
L2 cache	2 MB	4096 KB
L3 cache	no data	4096 KB
Chip lithography	28 nm	32 nm
Die size	250 mm2	315 mm2
Maximum core temperature	no data	71 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	3,100 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	Yes	No

Compatibility

Information on Athlon X4 845 and FX-4320 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	FM2+	AM3+
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 845 and FX-4320. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 845 and FX-4320 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 845 and FX-4320. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3-2133

DDR3-1866

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Athlon X4 845 and FX-4320.

PCIe version	3.0	Not Listed
PCI Express lanes	8	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.

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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.

Athlon X4 845 outperforms FX-4320 by 22% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	2.45	2.01
Recency	2 February 2016	23 October 2012
Chip lithography	28 nm	32 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Athlon X4 845 and FX-4320, ask them in Comments section, and we shall answer.

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