EPYC 7281 vs Pentium M 725

Primary details

Comparing Pentium M 725 and EPYC 7281 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	542
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	4.68
Market segment	Laptop	Server
Series	Pentium M	AMD EPYC
Power efficiency	no data	7.58
Architecture codename	Dothan (2004−2005)	Naples (2017−2018)
Release date	23 June 2004 (20 years ago)	20 June 2017 (7 years ago)
Launch price (MSRP)	no data	$650

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium M 725 and EPYC 7281 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	1 (Single-Core)	16 (Hexadeca-Core)
Threads	1	32
Base clock speed	1.6 GHz	2.1 GHz
Boost clock speed	1.6 GHz	2.1 GHz
Bus rate	400 MHz	no data
Multiplier	no data	21
L1 cache	32 KB	1.5 MB
L2 cache	2 MB	8 MB
L3 cache	0 KB	32 MB (shared)
Chip lithography	90 nm	14 nm
Die size	87 mm2	213 mm2
Maximum core temperature	100 °C	no data
Number of transistors	144 million	19200 Million
64 bit support	-	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.988V-1.34V	no data

Compatibility

Information on Pentium M 725 and EPYC 7281 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 (Multiprocessor)
Socket	PPGA478	TR4
Power consumption (TDP)	7.5 Watt	155 W, 170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium M 725 and EPYC 7281. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium M 725 and EPYC 7281 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium M 725 and EPYC 7281 are enumerated here.

AMD-V	-	+
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium M 725 and EPYC 7281. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Pentium M 725 and EPYC 7281.

PCIe version	no data	3.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	23 June 2004	20 June 2017
Physical cores	1	16
Threads	1	32
Chip lithography	90 nm	14 nm
Power consumption (TDP)	7 Watt	155 Watt

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