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The Intel Xeon w5-3535X is a server/workstation processor with 20 cores, launched in August 2024, at an MSRP of $1689. It is part of the Xeon W lineup, using the Sapphire Rapids architecture with Socket 4677. Thanks to Intel Hyper-Threading the core-count is effectively doubled, to 40 threads. Xeon w5-3535X has 52.5 MB of L3 cache and operates at 2.9 GHz by default, but can boost up to 4.8 GHz, depending on the workload. Intel is making the Xeon w5-3535X on a 10 nm production node, the transistor count is unknown. You may freely adjust the unlocked multiplier on Xeon w5-3535X, which simplifies overclocking greatly, as you can easily dial in any overclocking frequency.
With a TDP of 300 W, the Xeon w5-3535X is extremely power hungry, which means you need top-notch cooling. Intel’s processor supports DDR5 memory with an eight-channel interface. The highest officially supported memory speed is 4800 MT/s, but with overclocking (and the right memory modules) you can go even higher. ECC memory is supported, too, which is an important capability for mission-critical systems, to avoid data corruption. For communication with other components in the machine, Xeon w5-3535X uses a PCI-Express Gen 5 connection. This processor lacks integrated graphics, you might need a graphics card.
Hardware virtualization is available on the Xeon w5-3535X, which greatly improves virtual machine performance. Additionally, IOMMU virtualization (PCI passthrough) is supported, so that guest virtual machines may directly use host hardware. Programs using Advanced Vector Extensions (AVX) can run on this processor, boosting performance for calculation-heavy applications. Besides AVX, Intel has added support for the newer AVX2 and AVX-512 instructions, too.
With a TDP of 300 W, the Xeon w5-3535X is extremely power hungry, which means you need top-notch cooling. Intel’s processor supports DDR5 memory with an eight-channel interface. The highest officially supported memory speed is 4800 MT/s, but with overclocking (and the right memory modules) you can go even higher. ECC memory is supported, too, which is an important capability for mission-critical systems, to avoid data corruption. For communication with other components in the machine, Xeon w5-3535X uses a PCI-Express Gen 5 connection. This processor lacks integrated graphics, you might need a graphics card.
Hardware virtualization is available on the Xeon w5-3535X, which greatly improves virtual machine performance. Additionally, IOMMU virtualization (PCI passthrough) is supported, so that guest virtual machines may directly use host hardware. Programs using Advanced Vector Extensions (AVX) can run on this processor, boosting performance for calculation-heavy applications. Besides AVX, Intel has added support for the newer AVX2 and AVX-512 instructions, too.
Physical
Socket: | Intel Socket 4677 |
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Foundry: | Intel |
Process Size: | 10 nm |
Die Size: | 4x 477 mm² |
Package: | FC-LGA16A |
tCaseMax: | 76°C |
Processor
Market: | Server/Workstation |
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Production Status: | Active |
Release Date: | Aug 24th, 2024 |
Launch Price: | $1689 |
Part#: | SRN76 |
Performance
Frequency: | 2.9 GHz |
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Turbo Clock: | up to 4.8 GHz |
Turbo Boost 2.0: | 4.6 GHz |
Base Clock: | 100 MHz |
Multiplier: | 29.0x |
Multiplier Unlocked: | Yes |
TDP: | 300 W |
Max Turbo Power: | 360 W |
Architecture
Codename: | Sapphire Rapids |
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Generation: | Xeon W (Sapphire Rapids) |
Memory Support: | DDR5 |
Max. Memory: | 4 TB (4400 MT/s only) |
Rated Speed: | 4800 MT/s |
Memory Bus: | Eight-channel |
ECC Memory: | Yes |
PCI-Express: | Gen 5, 112 Lanes (CPU only) |
DMI: | 4.0 x8 |
Chipset: | W790 |
Core Config
# of Cores: | 20 |
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# of Threads: | 40 |
AVX-512 FMA Ports: | 2 |
SMP # CPUs: | 1 |
Integrated Graphics: | N/A |
Cache
Cache L1: | 80 KB (per core) |
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Cache L2: | 2 MB (per core) |
Cache L3: | 52.5 MB |
Features
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Notes
PCI-Express PHY handles 16-Lanes of PCI-E 5.0 or CXL 1.1, two PHYs per compute die (8 total).
This processor comes with an unlocked multiplier, allowing users to set the multiplier value higher than the shipped value, to facilitate better overclocking. |
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