Xeon Platinum 8276 vs Gold 6126

Primary details

Comparing Xeon Gold 6126 and Xeon Platinum 8276 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	643	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.20	no data
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Xeon Platinum
Power efficiency	9.15	no data
Architecture codename	Skylake (server) (2017−2018)	Cascade Lake-SP (2018)
Release date	25 April 2017 (7 years ago)	11 December 2018 (6 years ago)
Launch price (MSRP)	$1,776	$8,719

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6126 and Xeon Platinum 8276 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)	28 (Octacosa-Core)
Threads	24	56
Base clock speed	2.6 GHz	2.2 GHz
Boost clock speed	3.7 GHz	4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	26	22
L1 cache	768 KB	64 KB (per core)
L2 cache	12 MB	1 MB (per core)
L3 cache	19.25 MB	38.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	86 °C	89 °C
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6126 and Xeon Platinum 8276 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)	8 (Multiprocessor)
Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	125 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6126 and Xeon Platinum 8276. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	-
Deep Learning Boost	-	+

Security technologies

Xeon Gold 6126 and Xeon Platinum 8276 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6126 and Xeon Platinum 8276 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 Platinum 8276. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	768 GB	1 TB
Max memory channels	6	6
Maximum memory bandwidth	128.001 GB/s	140.8 GB/s
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 Gold 6126 and Xeon Platinum 8276.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	25 April 2017	11 December 2018
Physical cores	12	28
Threads	24	56
Power consumption (TDP)	125 Watt	165 Watt

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Should you still have questions on choice between Xeon Gold 6126 and Xeon Platinum 8276, ask them in Comments section, and we shall answer.

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