Intel Xeon w7-3455
57164Benchmark
Single Thread Rating: 3350
Samples: 1*
Margin for error: High
4.8 GHZboost
Sapphire Rapidscodename
24cores
2.5 GHZfrequency
Intel Socket 4677socket
270 Wtdp
48threads
The Intel Xeon w7-3455 is a server/workstation processor with 24 cores, launched in February 2023, at an MSRP of $2489. 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 48 threads. Xeon w7-3455 has 67.5 MB of L3 cache and operates at 2.5 GHz by default, but can boost up to 4.8 GHz, depending on the workload. Intel is building the Xeon w7-3455 on a 10 nm production process, the transistor count is unknown. The multiplier is locked on Xeon w7-3455, which limits its overclocking capabilities. With a TDP of 270 W, the Xeon w7-3455 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 system, Xeon w7-3455 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 w7-3455, 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) will 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.
- Socket: Intel Socket 4677
- Foundry: Intel
- Process Size: 10 nm
- Die Size: 4x 477 mm²
- Package: FC-LGA16A
- tCaseMax: 72°C
- Market: Server/Workstation
- Production Status: Active
- Release Date: Feb 15th, 2023
- Launch Price: $2489
- Part#: SRM32
- Frequency: 2.5 GHz
- Turbo Clock: up to 4.8 GHz
- Turbo Boost 2.0: 4.6 GHz
- Base Clock: 100 MHz
- Multiplier: 25.0x
- Multiplier Unlocked: No
- TDP: 270 W
- Max Turbo Power: 324 W
- Codename: Sapphire Rapids
- 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
- # of Cores: 24
- # of Threads: 48
- AVX-512 FMA Ports: 2
- SMP # CPUs: 1
- Integrated Graphics: N/A
- Cache L1: 80 KB (per core)
- Cache L2: 2 MB (per core)
- Cache L3: 67.5 MB
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