Xeon Gold 6126T: specs and benchmarks

Summary

Intel started Xeon Gold 6126T sales 25 April 2017 at a recommended price of $1,865. This is a Skylake (server) architecture desktop processor primarily aimed at professional systems. It has 12 cores and 24 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3700 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA3647 processor with a TDP of 125 Watt. It supports DDR4-2666 memory.

Primary details

Xeon Gold 6126T 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 Gold
Architecture codename	Skylake (server) (2017−2018)
Release date	25 April 2017 (7 years ago)
Launch price (MSRP)	$1,865	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	12 (Dodeca-Core)
Threads	24
Base clock speed	2.6 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	3.7 GHz	of 6.2 GHz (Core i9-14900KS)
Bus type	DMI 3.0
Bus rate	4 × 8 GT/s
Multiplier	26	of 42 (Core i7-7700K)
L1 cache	768 KB	of 80 KB (EPYC 9965)
L2 cache	12 MB	of 2 MB (Xeon 6980P)
L3 cache	19.25 MB	of 1152 MB (EPYC 9684X)
Chip lithography	14 nm	of 3 nm (Core Ultra 9 285K)
Maximum core temperature	89 °C	of 110 °C (Core Ultra 9 185H)
64 bit support	+
Windows 11 compatibility	+

Compatibility

Information on Xeon Gold 6126T 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	4 (Multiprocessor)	of 8 (Xeon Platinum 8454H)
Socket	FCLGA3647
Power consumption (TDP)	125 Watt	of 500 Watt (Xeon 6960P)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon Gold 6126T. 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
AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
Speed Shift	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Turbo Boost Max 3.0	-

Security technologies

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

TXT	+
EDB	+

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 Gold 6126T's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4-2666
Maximum memory size	768 GB	of 6 TiB (EPYC 9654)
Max memory channels	6	of 12 (Xeon Platinum 9221)
Maximum memory bandwidth	128.001 GB/s	of 460.8 GB/s (EPYC 9654)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	3.0	of 5.0 (EPYC 9655P)
PCI Express lanes	48	of 128 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon Gold 6126T. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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