Ryzen 9 PRO 7940HS vs Athlon X4 840

Primary details

Comparing Athlon X4 840 and Ryzen 9 PRO 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1782	307
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.38	no data
Market segment	Desktop processor	Laptop
Series	4x Athlon	AMD Phoenix (Zen 4, Ryzen 7040)
Architecture codename	Kaveri (2014−2015)	Phoenix-HS (Zen 4)
Release date	August 2014 (9 years ago)	13 June 2023 (1 year ago)
Current price	$23	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon X4 840 and Ryzen 9 PRO 7940HS 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	16
Base clock speed	3.1 GHz	4 GHz
Boost clock speed	3.8 GHz	5.2 GHz
L1 cache	256K	512 KB
L2 cache	4 MB	8 MB
L3 cache	no data	16 MB
Chip lithography	28 nm	4 nm
Die size	245 mm2	178 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Athlon X4 840 and Ryzen 9 PRO 7940HS 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	no data
Socket	Socket FM2+	FP7/FP8
Power consumption (TDP)	65 watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Ryzen 9 PRO 7940HS. 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 Athlon X4 840 and Ryzen 9 PRO 7940HS are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and Ryzen 9 PRO 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Ryzen 9 PRO 7940HS.

PCIe version	3.0	no data
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.

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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.

Ryzen 9 PRO 7940HS outperforms Athlon X4 840 by 747% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	2.15	18.21
Recency	on August 2014	13 June 2023
Physical cores	4	8
Threads	4	16
Chip lithography	28 nm	4 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Athlon X4 840 and Ryzen 9 PRO 7940HS, ask them in Comments section, and we shall answer.

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