EPYC 9655P vs Pentium D 915

Primary details

Comparing Pentium D 915 and EPYC 9655P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.42
Market segment	Desktop processor	Server
Power efficiency	no data	23.22
Architecture codename	Presler (2005−2007)	Turin (2024)
Release date	23 July 2006 (18 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$74	$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 915 and EPYC 9655P 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)	96
Threads	2	192
Base clock speed	2.8 GHz	2.6 GHz
Boost clock speed	2.8 GHz	4.5 GHz
L1 cache	16 KB (per core)	80 KB (per core)
L2 cache	2 MB (per die)	1 MB (per core)
L3 cache	0 KB	384 MB (shared)
Chip lithography	65 nm	4 nm
Die size	2x 81 mm2	12x 70.6 mm2
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	376 million	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 915 and EPYC 9655P 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	1
Socket	LGA775,PLGA775	SP5
Power consumption (TDP)	95 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 915 and EPYC 9655P. 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
Precision Boost 2	no data	+

Security technologies

Pentium D 915 and EPYC 9655P 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 D 915 and EPYC 9655P are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 915 and EPYC 9655P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, 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 Pentium D 915 and EPYC 9655P.

PCIe version	no data	5.0
PCI Express lanes	no data	128

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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Pros & cons summary

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Recency	23 July 2006	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	65 nm	4 nm
Power consumption (TDP)	95 Watt	400 Watt

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Should you still have questions on choice between Pentium D 915 and EPYC 9655P, ask them in Comments section, and we shall answer.

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