AMD EPYC 7663
82492Benchmark
Single Thread Rating: 2615
Samples: 11*
Margin for error: Medium
3.5 GHZboost
Milancodename
56cores
2000 MHzfrequency
AMD Socket SP3socket
240 Wtdp
112threads
The AMD EPYC 7663 is a server/workstation processor with 56 cores, launched in March 2021, at an MSRP of $6366. It is part of the EPYC lineup, using the Zen 3 (Milan) architecture with Socket SP3. Thanks to AMD Simultaneous Multithreading (SMT) the core-count is effectively doubled, to 112 threads. To further increase overall system performance, up to two EPYC 7663 CPUs can work together in a multi-processor (SMP) configuration. EPYC 7663 has 256 MB of L3 cache and operates at 2000 MHz by default, but can boost up to 3.5 GHz, depending on the workload. AMD is making the EPYC 7663 on a 7 nm production node using 33,200 million transistors. The silicon die of the chip is not fabricated at AMD, but at the foundry of TSMC. The multiplier is locked on EPYC 7663, which limits its overclocking potential. With a TDP of 240 W, the EPYC 7663 is extremely power hungry, which means you need top-notch cooling. AMD's processor supports DDR4 memory with an eight-channel interface. The highest officially supported memory speed is 3200 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 computer, EPYC 7663 uses a PCI-Express Gen 4 connection. This processor lacks integrated graphics, you might need a graphics card. Hardware virtualization is available on the EPYC 7663, 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, AMD is including the newer AVX2 standard, too, but not AVX-512.
- Socket: AMD Socket SP3
- Foundry: TSMC
- Process Size: 7 nm
- Transistors: 33,200 million
- Die Size: 8x 81 mm²
- I/O Process Size: 12 nm
- I/O Die Size: 416 mm²
- Package: FCLGA-4094
- Market: Server/Workstation
- Production Status: Active
- Release Date: Mar 15th, 2021
- Launch Price: $6366
- Part#: 100-000000318100-100000318WOF
- Frequency: 2000 MHz
- Turbo Clock: up to 3.5 GHz
- Base Clock: 100 MHz
- Multiplier: 20.0x
- Multiplier Unlocked: No
- TDP: 240 W
- Configurable TDP: 225 W
- Codename: Milan
- Generation: EPYC (Zen 3 (Milan))
- Memory Support: DDR4
- Rated Speed: 3200 MT/s
- Memory Bus: Eight-channel
- ECC Memory: Yes
- PCI-Express: Gen 4, 128 Lanes(CPU only)
- # of Cores: 56
- # of Threads: 112
- # of CCDs: 8
- Cores per CCD: 7
- SMP # CPUs: 2
- Integrated Graphics: N/A
- Cache L1: 64 KB (per core)
- Cache L2: 512 KB (per core)
- Cache L3: 256 MB (shared)
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