EPYC 9455 vs Xeon X3450

Primary details

Comparing Xeon X3450 and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2019	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.51	no data
Market segment	Server	Server
Power efficiency	1.78	no data
Architecture codename	Lynnfield (2009−2010)	Turin (2024)
Release date	8 September 2009 (15 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$241	$5,412

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon X3450 and EPYC 9455 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	4 (Quad-Core)	48 (Octatetraconta-Core)
Threads	8	96
Base clock speed	2.66 GHz	3.15 GHz
Boost clock speed	3.2 GHz	4.4 GHz
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	192 MB (shared)
Chip lithography	45 nm	4 nm
Die size	296 mm2	6x 70.6 mm2
Maximum case temperature (TCase)	73 °C	no data
Number of transistors	774 million	49,890 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon X3450 and EPYC 9455 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	FCLGA1156,LGA1156	SP5
Power consumption (TDP)	95 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3450 and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data
Precision Boost 2	no data	+

Security technologies

Xeon X3450 and EPYC 9455 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 Xeon X3450 and EPYC 9455 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 Xeon X3450 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon X3450 and EPYC 9455.

PCIe version	2.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	8 September 2009	10 October 2024
Physical cores	4	48
Threads	8	96
Chip lithography	45 nm	4 nm
Power consumption (TDP)	95 Watt	300 Watt

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