EPYC 9655 vs Pentium 957

Primary details

Comparing Pentium 957 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	Laptop	Server
Series	Intel Pentium	no data
Architecture codename	Sandy Bridge (2011−2013)	Turin (2024)
Release date	13 June 2011 (13 years ago)	10 October 2024 (recently)
Launch price (MSRP)	$134	$11,852

Detailed specifications

Pentium 957 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	1.2 GHz	4.5 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	12	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	2 MB (shared)	384 MB (shared)
Chip lithography	32 nm	4 nm
Die size	131 mm2	12x 70.6 mm2
Maximum core temperature	100 °C	no data
Number of transistors	504 million	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium 957 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 (Uniprocessor)	2
Socket	FCBGA1023	SP5
Power consumption (TDP)	17 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 957 and EPYC 9655. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	-	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
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Pentium 957 and EPYC 9655 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 957 and EPYC 9655 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 957 and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8.01 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics (Sandy Bridge)	N/A
Graphics max frequency	800 MHz	no data

Graphics interfaces

Available interfaces and connections of Pentium 957 and EPYC 9655 integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Pentium 957 and EPYC 9655.

PCIe version	2.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	13 June 2011	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	32 nm	4 nm
Power consumption (TDP)	17 Watt	400 Watt

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