EPYC 9655 vs Pentium 1405

Primary details

Comparing Pentium 1405 and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	no data	Turin (2024)
Release date	1 April 2012 (12 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$11,852

Detailed specifications

Pentium 1405 and EPYC 9655 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	1.2 GHz	2.6 GHz
Boost clock speed	1.8 GHz	4.5 GHz
Bus rate	0 GT/s	no data
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	5 MB Intel® Smart Cache	384 MB (shared)
Chip lithography	32 nm	4 nm
Die size	no data	12x 70.6 mm2
Number of transistors	no data	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium 1405 and EPYC 9655 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	FCLGA1356	SP5
Power consumption (TDP)	40 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 1405 and EPYC 9655. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	+	no data
Precision Boost 2	no data	+

Security technologies

Pentium 1405 and EPYC 9655 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 1405 and EPYC 9655 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 1405 and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5
Maximum memory size	375 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Pentium 1405 and EPYC 9655.

PCIe version	3.0	5.0
PCI Express lanes	24	128

Pros & cons summary

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Recency	1 April 2012	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	32 nm	4 nm
Power consumption (TDP)	40 Watt	400 Watt

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