Xeon D-1531 vs Gold 6126

Primary details

Comparing Xeon Gold 6126 and Xeon D-1531 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	633	1247
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.47	2.57
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Xeon D
Power efficiency	9.15	10.05
Architecture codename	Skylake (server) (2017−2019)	Broadwell (2015−2019)
Release date	25 April 2017 (7 years ago)	1 November 2015 (9 years ago)
Launch price (MSRP)	$1,776	$348

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6126 has 74% better value for money than Xeon D-1531.

Detailed specifications

Xeon Gold 6126 and Xeon D-1531 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	12 (Dodeca-Core)	6 (Hexa-Core)
Threads	24	12
Base clock speed	2.6 GHz	2.2 GHz
Boost clock speed	3.7 GHz	2.7 GHz
Bus type	DMI 3.0	DMI 2.0
Bus rate	4 × 8 GT/s	no data
Multiplier	26	22
L1 cache	768 KB	384 KB
L2 cache	12 MB	1.5 MB
L3 cache	19.25 MB	9 MB
Chip lithography	14 nm	14 nm
Die size	no data	246.24 mm2
Maximum core temperature	86 °C	no data
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	no data	3200 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Gold 6126 and Xeon D-1531 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	4 (Multiprocessor)	1 (Uniprocessor)
Socket	FCLGA3647	FCBGA1667
Power consumption (TDP)	125 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6126 and Xeon D-1531. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Gold 6126 and Xeon D-1531 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6126 and Xeon D-1531 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6126 and Xeon D-1531. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR3
Maximum memory size	768 GB	128 GB
Max memory channels	6	2
Maximum memory bandwidth	128.001 GB/s	34.124 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6126 and Xeon D-1531.

PCIe version	3.0	2.0/3.0
PCI Express lanes	48	24
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.

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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.

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Pros & cons summary

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Performance score	12.31	4.87
Recency	25 April 2017	1 November 2015
Physical cores	12	6
Threads	24	12
Power consumption (TDP)	125 Watt	45 Watt

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Should you still have questions on choice between Xeon Gold 6126 and Xeon D-1531, ask them in Comments section, and we shall answer.

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