Intel Xeon D-1649N: specs and benchmarks

Summary

Intel started Xeon D-1649N sales 2 April 2019 at a recommended price of $705. This is a Broadwell architecture desktop processor primarily aimed at professional systems. It has 8 cores and 16 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3000 MHz and a locked multiplier.

Compatibility-wise, this is FCBGA1667 processor with a TDP of 45 Watt. It supports DDR4, DDR3 memory.

Primary details

Xeon D-1649N processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Server
Series	Intel Xeon D
Architecture codename	Broadwell (2015−2019)
Release date	2 April 2019 (5 years ago)
Launch price (MSRP)	$705	of 17,906 (Xeon Platinum 8280L)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	8 (Octa-Core)
Threads	16
Base clock speed	2.3 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	3 GHz	of 50 MHz (i486DX-50)
Bus type	DMI 2.0
Multiplier	23	of 42 (Core i7-7700K)
L1 cache	512 KB	of 80 KB (EPYC 9965)
L2 cache	2 MB	of 2 MB (Xeon 6980P)
L3 cache	12 MB	of 1152 MB (EPYC 9684X)
Chip lithography	14 nm	of 3 nm (Core Ultra 9 285K)
Die size	246.24 mm2
Maximum core temperature	105 °C	of 110 °C (Core Ultra 9 185H)
Number of transistors	3200 Million	of 135,240 million (EPYC 9684X)
64 bit support	+
Windows 11 compatibility	-

Compatibility

Information on Xeon D-1649N compatibility with other computer components and devices: 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)	of 8 (Xeon Platinum 8454H)
Socket	FCBGA1667
Power consumption (TDP)	45 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon D-1649N. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2
AES-NI	+
AVX	+
Enhanced SpeedStep (EIST)	+
QuickAssist	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Idle States	+
Thermal Monitoring	+
GPIO	+
AMT	SPS 3.0
Quiet System	-

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT	+
EDB	+
Secure Key	+
SGX	-
OS Guard	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon D-1649N's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4, DDR3
Maximum memory size	128 GB	of 6 TiB (EPYC 9654)
Max memory channels	2	of 12 (Xeon Platinum 9221)
Maximum memory bandwidth	34.124 GB/s	of 460.8 GB/s (EPYC 9654)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	2.0/3.0	of 5.0 (EPYC 9655P)
PCI Express lanes	32	of 128 (EPYC 9655P)
USB revision	2.0/3.0
Total number of SATA ports	6
Max number of SATA 6 Gb/s Ports	6
Number of USB ports	8
Integrated LAN	4x 10 GBE
UART	+

Benchmark performance

Single-core and multi-core benchmark results of Xeon D-1649N. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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