Xeon 6315P vs D-1581

Primary details

Comparing Xeon D-1581 and Xeon 6315P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	959	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon D	no data
Power efficiency	12.12	no data
Designer	Intel	Intel
Architecture codename	Broadwell (2015−2019)	Raptor Lake-R (2023−2025)
Release date	24 February 2016 (9 years ago)	24 February 2025 (recently)
Launch price (MSRP)	no data	$213

Detailed specifications

Xeon D-1581 and Xeon 6315P 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	16 (Hexadeca-Core)	4 (Quad-Core)
Threads	32	4
Base clock speed	1.8 GHz	2.8 GHz
Boost clock speed	2.4 GHz	4.7 GHz
Bus type	DMI 2.0	no data
Multiplier	18	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	1.5 MB (per core)	12 MB (shared)
Chip lithography	14 nm	10 nm
Die size	306.18 mm2	163 mm2
Maximum case temperature (TCase)	80 °C	no data
Number of transistors	3,200 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon D-1581 and Xeon 6315P 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)	1
Socket	FCBGA1667	1700
Power consumption (TDP)	65 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1581 and Xeon 6315P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
GPIO	+	no data

Security technologies

Xeon D-1581 and Xeon 6315P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1581 and Xeon 6315P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1581 and Xeon 6315P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR4, DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.124 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 Xeon D-1581 and Xeon 6315P.

PCIe version	2.0/3.0	5.0
PCI Express lanes	24	16
USB revision	2.0/3.0	no data
Total number of SATA ports	6	no data
Number of USB ports	8	no data
Integrated LAN	+	no data
UART	+	no data

Pros & cons summary

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Recency	24 February 2016	24 February 2025
Physical cores	16	4
Threads	32	4
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	55 Watt

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