EPYC 9555 vs Athlon II X2 240e

Primary details

Comparing Athlon II X2 240e and EPYC 9555 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2790	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.61	no data
Market segment	Desktop processor	Server
Power efficiency	1.30	no data
Architecture codename	Regor (2009−2013)	Turin (2024)
Release date	20 October 2009 (15 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$35	$9,826

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II X2 240e and EPYC 9555 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)	64 (Tetrahexaconta-Core)
Threads	2	128
Base clock speed	2.8 GHz	3.2 GHz
Boost clock speed	2.8 GHz	4.4 GHz
L1 cache	128 KB	80 KB (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	45 nm	4 nm
Die size	117 mm2	8x 70.6 mm2
Number of transistors	410 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Athlon II X2 240e and EPYC 9555 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	2
Socket	AM3	SP5
Power consumption (TDP)	45 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X2 240e and EPYC 9555. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X2 240e and EPYC 9555 are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 240e and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

N/A

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 240e and EPYC 9555.

PCIe version	2.0	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	20 October 2009	10 October 2024
Physical cores	2	64
Threads	2	128
Chip lithography	45 nm	4 nm
Power consumption (TDP)	45 Watt	360 Watt

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Should you still have questions on choice between Athlon II X2 240e and EPYC 9555, ask them in Comments section, and we shall answer.

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