AMD EPYC 7663 vs AMD EPYC 7343
Comparative analysis of AMD EPYC 7663 and AMD EPYC 7343 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the AMD EPYC 7663
- 40 more cores, run more applications at once: 56 vs 16
- 80 more threads: 112 vs 32
- 3.5x more L1 cache, more data can be stored in the L1 cache for quick access later
- 3.5x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 11% better performance in PassMark - CPU mark: 82087 vs 73934
Specifications (specs) | |
Number of cores | 56 vs 16 |
Number of threads | 112 vs 32 |
L1 cache | 64 KB (per core) vs 1 MB |
L2 cache | 512 KB (per core) vs 8 MB |
L3 cache | 256 MB (shared) vs 128 MB |
Benchmarks | |
PassMark - CPU mark | 82087 vs 73934 |
Reasons to consider the AMD EPYC 7343
- Around 11% higher clock speed: 3.9 GHz vs 3.5 GHz
- Around 26% lower typical power consumption: 190 Watt vs 240 Watt
- Around 8% better performance in PassMark - Single thread mark: 2806 vs 2606
Specifications (specs) | |
Maximum frequency | 3.9 GHz vs 3.5 GHz |
Thermal Design Power (TDP) | 190 Watt vs 240 Watt |
Benchmarks | |
PassMark - Single thread mark | 2806 vs 2606 |
Compare benchmarks
CPU 1: AMD EPYC 7663
CPU 2: AMD EPYC 7343
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD EPYC 7663 | AMD EPYC 7343 |
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PassMark - Single thread mark | 2606 | 2806 |
PassMark - CPU mark | 82087 | 73934 |
Compare specifications (specs)
AMD EPYC 7663 | AMD EPYC 7343 | |
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Essentials |
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Launch date | 15 Mar 2021 | 15 Mar 2021 |
Launch price (MSRP) | $6366 | $1565 |
Place in performance rating | 120 | 130 |
Architecture codename | Zen 3 | |
OPN PIB | 100-100000338WOF | |
OPN Tray | 100-000000338 | |
Vertical segment | Server | |
Performance |
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Base frequency | 2000 MHz | 3.2 GHz |
Die size | 8x 81 mm² | |
L1 cache | 64 KB (per core) | 1 MB |
L2 cache | 512 KB (per core) | 8 MB |
L3 cache | 256 MB (shared) | 128 MB |
Manufacturing process technology | 7 nm | 7 nm+ |
Maximum frequency | 3.5 GHz | 3.9 GHz |
Number of cores | 56 | 16 |
Number of threads | 112 | 32 |
Transistor count | 33,200 million | |
Unlocked | ||
Memory |
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ECC memory support | ||
Supported memory types | DDR4 | DDR4-3200 |
Max memory channels | 8 | |
Maximum memory bandwidth | 190.73 GB/s | |
Maximum memory size | 4 TB | |
Compatibility |
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Configurable TDP | 225 Watt | 165-200 Watt |
Max number of CPUs in a configuration | 2 | |
Sockets supported | SP3 | SP3 |
Thermal Design Power (TDP) | 240 Watt | 190 Watt |
Socket Count | 1P/2P | |
Peripherals |
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PCIe configurations | Gen 4, 128 Lanes, (CPU only) | |
Max number of PCIe lanes | 128 | |
PCI Express revision | 4.0 | |
Advanced Technologies |
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AMD SenseMI | ||
Fused Multiply-Add 3 (FMA3) | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® Advanced Vector Extensions 2 (AVX2) | ||
Intel® AES New Instructions | ||
Virtualization |
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AMD Virtualization (AMD-V™) |