i9-12900E vs Xeon Platinum 8276M

Primary details

Comparing Xeon Platinum 8276M and Core i9-12900E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	382
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	no data
Power efficiency	no data	24.45
Architecture codename	Cascade Lake (2019−2020)	Alder Lake-S (2022)
Release date	2 April 2019 (5 years ago)	4 January 2022 (2 years ago)
Launch price (MSRP)	$11,722	no data

Detailed specifications

Xeon Platinum 8276M and Core i9-12900E 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	28 (Octacosa-Core)	16 (Hexadeca-Core)
Threads	56	24
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	4 GHz	5 GHz
Multiplier	22	no data
L1 cache	1.75 MB	80K (per core)
L2 cache	28 MB	1.25 MB (per core)
L3 cache	38.5 MB	30 MB (shared)
Chip lithography	14 nm	10 nm
Die size	no data	215 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 8276M and Core i9-12900E 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	8 (Multiprocessor)	1
Socket	FCLGA3647	1700
Power consumption (TDP)	165 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8276M and Core i9-12900E. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8276M and Core i9-12900E 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 8276M and Core i9-12900E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8276M and Core i9-12900E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4, DDR5 Dual-channel
Maximum memory size	2 TB	no data
Max memory channels	6	no data
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel UHD Graphics 770

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8276M and Core i9-12900E.

PCIe version	3.0	5.0
PCI Express lanes	48	20

Pros & cons summary

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Recency	2 April 2019	4 January 2022
Physical cores	28	16
Threads	56	24
Chip lithography	14 nm	10 nm
Power consumption (TDP)	165 Watt	65 Watt

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