Athlon X4 850 vs A4-4000

Primary details

Comparing A4-4000 and Athlon X4 850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2577	1768
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.94	no data
Market segment	Desktop processor	Desktop processor
Architecture codename	Richland (2013−2014)	Godaveri (2014−2018)
Release date	1 June 2013 (11 years ago)	July 2015 (9 years ago)
Current price	$35	$26

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A4-4000 and Athlon X4 850 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	3 GHz	3.2 GHz
Boost clock speed	3.2 GHz	3.9 GHz
L1 cache	128 KB (per core)	256K
L2 cache	1 MB (per core)	4 MB
L3 cache	0 KB	no data
Chip lithography	32 nm	28 nm
Die size	246 mm2	245 mm2
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	1,178 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	Yes

Compatibility

Information on A4-4000 and Athlon X4 850 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	FM2+
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-4000 and Athlon X4 850. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
FMA	no data	+
AVX	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A4-4000 and Athlon X4 850 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-4000 and Athlon X4 850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3-2133

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon HD 7480D

no data

Peripherals

Specifications and connection of peripherals supported by A4-4000 and Athlon X4 850.

PCIe version	no data	3.0
PCI Express lanes	no data	16

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 850 outperforms A4-4000 by 195% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.74	2.18
Physical cores	2	4
Threads	2	4
Chip lithography	32 nm	28 nm

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Should you still have questions on choice between A4-4000 and Athlon X4 850, ask them in Comments section, and we shall answer.

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