Xeon Platinum 8256 vs Platinum 9282

Primary details

Comparing Xeon Platinum 9282 and Xeon Platinum 8256 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	670
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.23
Market segment	Server	Server
Series	Intel Xeon Platinum	Intel Xeon Platinum
Architecture codename	Cascade Lake-AP (2019)	Cascade Lake-SP (2019)
Release date	2 April 2019 (5 years ago)	11 December 2018 (5 years ago)
Launch price (MSRP)	no data	$7,007
Current price	$14999	$12925 (1.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 9282 and Xeon Platinum 8256 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	56 (Hexapentaconta-Core)	4 (Quad-Core)
Threads	112	8
Base clock speed	2.6 GHz	3.8 GHz
Boost clock speed	3.8 GHz	3.9 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	77 MB (shared)	16.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	no data	72 °C
Number of transistors	8,000 million	8,000 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Platinum 9282 and Xeon Platinum 8256 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	2	8 (Multiprocessor)
Socket	Intel BGA5903	FCLGA3647
Power consumption (TDP)	400 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9282 and Xeon Platinum 8256. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	+	no data
AVX	+	+
PowerNow	+	no data
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
SIPP	+	no data
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Xeon Platinum 9282 and Xeon Platinum 8256 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9282 and Xeon Platinum 8256 are enumerated here.

AMD-V	+	no data
VT-d	+	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9282 and Xeon Platinum 8256. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2933
Maximum memory size	2 TiB	1 TB
Max memory channels	12	6
Maximum memory bandwidth	281.6 GB/s	140.8 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9282 and Xeon Platinum 8256.

PCIe version	no data	3.0
PCI Express lanes	no data	48

Pros & cons summary

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Recency	2 April 2019	11 December 2018
Physical cores	56	4
Threads	112	8
Power consumption (TDP)	400 Watt	105 Watt

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Should you still have questions on choice between Xeon Platinum 9282 and Xeon Platinum 8256, ask them in Comments section, and we shall answer.

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