Xeon 6776P vs Platinum 8321HC

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
DesignerIntelIntel
Release date1 October 2020 (4 years ago)1 April 2025 (less than a year ago)

Detailed specifications

Xeon Platinum 8321HC and Xeon 6776P 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 cores26 (Hexacosa-Core)64 (Tetrahexaconta-Core)
Threads52128
Base clock speed1.4 GHz2.3 GHz
Boost clock speed3 GHz3.9 GHz
L3 cache35.75 MB336 MB
Maximum core temperatureno data81 °C
64 bit support--
Windows 11 compatibility-no data

Compatibility

Information on Xeon Platinum 8321HC and Xeon 6776P 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.

Socketno dataFCLGA4710
Power consumption (TDP)88 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8321HC and Xeon 6776P. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
Enhanced SpeedStep (EIST)+no data
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX++
Deep Learning Boost++

Security technologies

Xeon Platinum 8321HC and Xeon 6776P technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
SGXno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8321HC and Xeon 6776P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8321HC and Xeon 6776P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesRDIMMDDR5(6400MT/s)MRDIMM(8000MT/s)
Maximum memory size1.12 TB4 TB
Max memory channels68
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8321HC and Xeon 6776P.

PCIe version3.05.0
PCI Express lanes4888

Pros & cons summary


Recency 1 October 2020 1 April 2025
Physical cores 26 64
Threads 52 128
Power consumption (TDP) 88 Watt 350 Watt

Xeon Platinum 8321HC has 297.7% lower power consumption.

Xeon 6776P, on the other hand, has an age advantage of 4 years, and 146.2% more physical cores and 146.2% more threads.

We couldn't decide between Intel Xeon Platinum 8321HC and Intel Xeon 6776P. We've got no test results to judge.

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Intel Xeon Platinum 8321HC
Xeon Platinum 8321HC
Intel Xeon 6776P
Xeon 6776P

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