Xeon 6978P vs D-2146NT

Primary details

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

Place in the ranking	1133	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.78	no data
Market segment	Server	Server
Series	Intel Xeon D	no data
Power efficiency	3.53	no data
Designer	Intel	Intel
Architecture codename	Skylake (server) (2017−2018)	no data
Release date	7 February 2018 (7 years ago)	1 July 2025 (recently)
Launch price (MSRP)	$641	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon D-2146NT and Xeon 6978P 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	8 (Octa-Core)	120
Threads	16	240
Base clock speed	2.3 GHz	2.1 GHz
Boost clock speed	3 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	23	no data
L1 cache	512 KB	no data
L2 cache	8 MB	no data
L3 cache	11 MB	504 MB
Chip lithography	14 nm	Intel 3 nm
Maximum core temperature	no data	80 °C
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon D-2146NT and Xeon 6978P 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)	no data
Socket	FCBGA2518	FCLGA7529
Power consumption (TDP)	80 Watt	500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2146NT and Xeon 6978P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon D-2146NT and Xeon 6978P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
MPX	+	-
SGX	-	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2146NT and Xeon 6978P are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2146NT and Xeon 6978P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5(6400MT/s) MRDIMM(8800MT/s)
Maximum memory size	512 GB	3 TB
Max memory channels	4	12
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-2146NT and Xeon 6978P.

PCIe version	3.0	5.0
PCI Express lanes	32	96

Pros & cons summary

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Recency	7 February 2018	1 July 2025
Physical cores	8	120
Threads	16	240
Power consumption (TDP)	80 Watt	500 Watt

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