Xeon Gold 6258R vs Gold 6256

Primary details

Comparing Xeon Gold 6256 and Xeon Gold 6258R processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	146	195
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	14.02
Market segment	Server	Server
Series	no data	Intel Xeon Gold
Power efficiency	13.59	11.70
Architecture codename	no data	Cascade Lake (2019−2020)
Release date	1 January 2020 (4 years ago)	24 February 2020 (4 years ago)
Launch price (MSRP)	no data	$3,950

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6256 and Xeon Gold 6258R 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	3.6 GHz	2.7 GHz
Boost clock speed	4.5 GHz	4 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	27
L1 cache	no data	1.75 MB
L2 cache	no data	28 MB
L3 cache	33 MB	38.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	64 °C	74 °C
64 bit support	-	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6256 and Xeon Gold 6258R 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.

Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	205 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6256 and Xeon Gold 6258R. 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	no data	+
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 6256 and Xeon Gold 6258R technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6256 and Xeon Gold 6258R are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6256 and Xeon Gold 6258R. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2933
Maximum memory size	1 TB	1 TB
Max memory channels	6	6
Maximum memory bandwidth	no data	140.8 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6256 and Xeon Gold 6258R.

PCIe version	3.0	3.0
PCI Express lanes	48	48

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	29.44	25.34
Recency	1 January 2020	24 February 2020
Physical cores	12	28
Threads	24	56

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Should you still have questions on choice between Xeon Gold 6256 and Xeon Gold 6258R, ask them in Comments section, and we shall answer.

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