AMD® EPYC™ 7663

The AMD EPYC 7663 is a server processor with 56 cores and 112 threads, built on the Zen 3 architecture. It launched in Mar 2021. Clocks run from 2.0 GHz base to 3.5 GHz boost. A 256-MB L3 cache backs the cores (5.1 MB per core). It supports DDR4 memory. The chip drops into the SP3 socket and exposes PCIe 4.0 (128 lanes). Rated TDP is 240 W. Notable platform capabilities: AMD-V (Hardware Virtualization), AMD SEV.

The AMD EPYC 7663 scores 2,575 in single-core performance and 81,283 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 14,467 for overall performance, 56,439 for productivity performance, 49,341 for creator performance, 113,796 for engineering performance and 28,046 for gaming performance. Its multi-core throughput works out to 1,451 per core, 726 per thread and 339 per watt. Its computed efficiency index is 934. Its performance index is 179, so its overall performance is 79% above the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the AMD EPYC 7663 scores 466,914 in integer math, 251,491 in floating-point math, 1,444,967 in compression, 111,090 in cryptography, 7,569 in physics simulation, 74,567 in vector SIMD, 661 in the prime sieve and 181,781 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 693% above in integer math, 448% above in floating-point math, 534% above in compression, 867% above in cryptography, 594% above in physics simulation, 381% above in vector SIMD, 887% above in the prime sieve and 702% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The AMD EPYC 7663 has 56 physical cores and runs 112 logical threads. It runs 2 threads per core. It runs at a base clock of 2.00 GHz and boosts up to 3.50 GHz.

The AMD EPYC 7663 is a server processor, belongs to the AMD EPYC family and uses the Zen 3 architecture. It launched in Mar 2021.

The AMD EPYC 7663 has 28 MB of L2 cache and 256 MB of L3 cache. That adds up to about 284.0 MB of cache, or 5.07 MB per core. Each core has 512 KB of private L2 cache. Feex has no recorded L1 cache size for this processor.

The AMD EPYC 7663 has a 2-level cache hierarchy: L2 at 28 MB and L3 at 256 MB. L3 is the largest level and makes up about 90% of the cache listed here.

The AMD EPYC 7663 supports DDR4 memory, uses 8 memory channels, runs memory at up to 3,200 MT/s and delivers up to 204.8 GB/s of memory bandwidth. It does not support DDR5 and LPDDR memory.

The AMD EPYC 7663 does not include integrated graphics, so a discrete graphics card is required for display output.

The AMD EPYC 7663 uses the SP3 socket, supports PCI Express 4.0 and provides up to 128 PCIe lanes.

The AMD EPYC 7663 has a rated TDP of 240 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

It launched at a price of $6,366.

Feex has recorded 51% of the specifications it tracks for the AMD EPYC 7663. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: Codename, ISA Family and Market Status. Cache: L1 Cache (Total) and L4 Cache. Memory Support: ECC Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Model Number, Processor Number and Part Number.

Processors that use the same SP3 socket as the AMD EPYC 7663 and have the closest multi-core scores in the Feex database include AMD EPYC 7663P, AMD EPYC 7R13, AMD EPYC 7763, AMD EPYC 7662 and AMD EPYC 7773X.