Xeon D-1577 vs D-2146NT

General info

Comparing Xeon D-2146NT and Xeon D-1577 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	865	869
Place by popularity	not in top-100	not in top-100
Value for money	2.65	no data
Market segment	Server	Server
Series	Intel Xeon D	Intel Xeon D
Architecture codename	Skylake (server) (2017−2019)	Broadwell (2015−2019)
Release date	7 February 2018 (6 years old)	24 February 2016 (8 years old)
Launch price (MSRP)	$641	$1,176
Current price	$1677 (2.6x MSRP)	no data

Technical specs

Xeon D-2146NT and Xeon D-1577 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)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	2.3 GHz	1.3 GHz
Boost clock speed	3 GHz	2.1 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	256K (per core)
L3 cache	11 MB	1.5 MB (per core)
Chip lithography	14 nm	14 nm
Die size	no data	306.18 mm2
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	no data	3,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon D-2146NT and Xeon D-1577 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	1
Socket	FCBGA2518	FCBGA1667
Power consumption (TDP)	80 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2146NT and Xeon D-1577. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
GPIO	no data	+
Turbo Boost Max 3.0	-	no data
Status	Launched	Launched

Security technologies

Xeon D-2146NT and Xeon D-1577 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	no data
SGX	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2146NT and Xeon D-1577 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 D-1577. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR3
Maximum memory size	512 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	38.397 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-2146NT and Xeon D-1577.

PCIe version	3.0	2.0/3.0
PCI Express lanes	32	32
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	+
UART	no data	+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

D-2146NT outperforms D-1577 by 1% based on our aggregated benchmark results.

---

Advantages and disadvantages

---

Performance score	7.66	7.60
Recency	7 February 2018	24 February 2016
Physical cores	8	16
Threads	16	32
Cost	$641	$1176
Power consumption (TDP)	80 Watt	45 Watt

---

Should you still have questions on choice between Xeon D-2146NT and Xeon D-1577, ask them in Comments section, and we shall answer.

Vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---