Xeon Bronze 3408U vs Platinum 8280M

Primary details

Comparing Xeon Platinum 8280M and Xeon Bronze 3408U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	1069
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Architecture codename	Cascade Lake-SP (2019)	Sapphire Rapids (2023−2024)
Release date	2 April 2019 (5 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$13,012	no data

Detailed specifications

Xeon Platinum 8280M and Xeon Bronze 3408U 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)	8 (Octa-Core)
Threads	56	8
Base clock speed	2.7 GHz	1.8 GHz
Boost clock speed	4 GHz	1.9 GHz
Multiplier	27	no data
L1 cache	1.75 MB	80K (per core)
L2 cache	28 MB	2 MB (per core)
L3 cache	38.5 MB (shared)	22.5 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	84 °C	no data
Maximum case temperature (TCase)	no data	79 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 8280M and Xeon Bronze 3408U 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	FCLGA4677
Power consumption (TDP)	205 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8280M and Xeon Bronze 3408U. 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	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	-	no data
Status	Launched	Launched
Deep Learning Boost	+	+

Security technologies

Xeon Platinum 8280M and Xeon Bronze 3408U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8280M and Xeon Bronze 3408U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8280M and Xeon Bronze 3408U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4000
Maximum memory size	2 TB	4 TB
Max memory channels	6	8
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8280M and Xeon Bronze 3408U.

PCIe version	3.0	4.0
PCI Express lanes	48	80

Pros & cons summary

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Recency	2 April 2019	10 January 2023
Physical cores	28	8
Threads	56	8
Power consumption (TDP)	205 Watt	125 Watt

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Should you still have questions on choice between Xeon Platinum 8280M and Xeon Bronze 3408U, ask them in Comments section, and we shall answer.

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