Athlon 64 LE-1640 vs EPYC 7401P

Primary details

Comparing EPYC 7401P and Athlon 64 LE-1640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	338	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.60	no data
Market segment	Server	Desktop processor
Series	AMD EPYC	no data
Power efficiency	10.00	no data
Architecture codename	Naples (2017−2018)	Orleans (2007−2009)
Release date	20 June 2017 (7 years ago)	7 January 2009 (15 years ago)
Launch price (MSRP)	$1,075	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7401P and Athlon 64 LE-1640 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	24 (Tetracosa-Core)	1 (Single-Core)
Threads	48	1
Base clock speed	2 GHz	2.6 GHz
Boost clock speed	2 GHz	2.6 GHz
Multiplier	20	no data
L1 cache	2.25 MB	128 KB
L2 cache	12 MB	512K
L3 cache	64 MB (shared)	0 KB
Chip lithography	14 nm	90 nm
Die size	213 mm2	101.3 mm2
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	19200 Million	154 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7401P and Athlon 64 LE-1640 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 (Uniprocessor)	1
Socket	TR4	AM2
Power consumption (TDP)	155 W, 170 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7401P and Athlon 64 LE-1640. You'll probably need this information if you require some particular technology.

AES-NI	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7401P and Athlon 64 LE-1640 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7401P and Athlon 64 LE-1640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR2
Maximum memory size	2 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	170.671 GB/s	no data
ECC memory support	+	-

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 EPYC 7401P and Athlon 64 LE-1640.

PCIe version	3.0	2.0
PCI Express lanes	128	no data

Pros & cons summary

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Recency	20 June 2017	7 January 2009
Physical cores	24	1
Threads	48	1
Chip lithography	14 nm	90 nm
Power consumption (TDP)	155 Watt	45 Watt

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