Athlon II X4 651 vs EPYC 9754

Primary details

Comparing EPYC 9754 and Athlon II X4 651 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	10	1720
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.62	0.26
Market segment	Server	Desktop processor
Architecture codename	Bergamo	Llano (2011−2012)
Release date	13 June 2023 (1 year ago)	14 November 2011 (12 years ago)
Current price	$7724	$234

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9754 has 1677% better value for money than Athlon II X4 651.

Detailed specifications

EPYC 9754 and Athlon II X4 651 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	128	4 (Quad-Core)
Threads	256	4
Base clock speed	2.25 GHz	3 GHz
Boost clock speed	3.1 GHz	3 GHz
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	256 MB (shared)	0 KB
Chip lithography	5 nm	32 nm
Die size	8x 73 mm2	228 mm2
Number of transistors	71,000 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No

Compatibility

Information on EPYC 9754 and Athlon II X4 651 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	2	1
Socket	SP5	FM1
Power consumption (TDP)	360 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9754 and Athlon II X4 651. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9754 and Athlon II X4 651 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9754 and Athlon II X4 651. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by EPYC 9754 and Athlon II X4 651.

PCIe version	5.0	no data
PCI Express lanes	128	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.

EPYC 9754 outperforms Athlon II X4 651 by 2626% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	63.25	2.32
Recency	13 June 2023	14 November 2011
Physical cores	128	4
Threads	256	4
Chip lithography	5 nm	32 nm
Power consumption (TDP)	360 Watt	100 Watt

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Should you still have questions on choice between EPYC 9754 and Athlon II X4 651, ask them in Comments section, and we shall answer.

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