AMD EPYC 7702 vs AMD EPYC 7401
Comparative analysis of AMD EPYC 7702 and AMD EPYC 7401 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the AMD EPYC 7702
- CPU is newer: launch date 2 year(s) 2 month(s) later
- 40 more cores, run more applications at once: 64 vs 24
- 80 more threads: 128 vs 48
- Around 12% higher clock speed: 3.35 GHz vs 3 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
- Around 78% more L1 cache; more data can be stored in the L1 cache for quick access later
- 2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
- 4x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 14% better performance in PassMark - Single thread mark: 2116 vs 1850
- Around 69% better performance in PassMark - CPU mark: 93307 vs 55280
Specifications (specs) | |
Launch date | 7 Aug 2019 vs June 2017 |
Number of cores | 64 vs 24 |
Number of threads | 128 vs 48 |
Maximum frequency | 3.35 GHz vs 3 GHz |
Manufacturing process technology | 7 nm, 14 nm vs 14 nm |
L1 cache | 4 MB vs 96 KB (per core) |
L2 cache | 32 MB vs 512 KB (per core) |
L3 cache | 256 MB vs 64 MB |
Benchmarks | |
PassMark - Single thread mark | 2116 vs 1850 |
PassMark - CPU mark | 93307 vs 55280 |
Reasons to consider the AMD EPYC 7401
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 18% lower typical power consumption: 155/170 Watt vs 200 Watt
Unlocked | Unlocked vs Locked |
Thermal Design Power (TDP) | 155/170 Watt vs 200 Watt |
Compare benchmarks
CPU 1: AMD EPYC 7702
CPU 2: AMD EPYC 7401
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD EPYC 7702 | AMD EPYC 7401 |
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PassMark - Single thread mark | 2116 | 1850 |
PassMark - CPU mark | 93307 | 55280 |
Geekbench 4 - Single Core | 3541 | |
Geekbench 4 - Multi-Core | 24681 |
Compare specifications (specs)
AMD EPYC 7702 | AMD EPYC 7401 | |
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Essentials |
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Architecture codename | Zen 2 | Zen |
Launch date | 7 Aug 2019 | June 2017 |
Launch price (MSRP) | $6450 | |
OPN PIB | 100-100000038WOF | |
OPN Tray | 100-000000038 | |
Place in performance rating | 153 | 142 |
Vertical segment | Server | Server |
Family | AMD EPYC | |
Series | AMD EPYC 7000 Series | |
Performance |
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Base frequency | 2.0 GHz | 2 GHz |
L1 cache | 4 MB | 96 KB (per core) |
L2 cache | 32 MB | 512 KB (per core) |
L3 cache | 256 MB | 64 MB |
Manufacturing process technology | 7 nm, 14 nm | 14 nm |
Maximum frequency | 3.35 GHz | 3 GHz |
Number of cores | 64 | 24 |
Number of threads | 128 | 48 |
Unlocked | ||
64 bit support | ||
Die size | 192 mm | |
Transistor count | 4800 million | |
Memory |
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ECC memory support | ||
Max memory channels | 8 | 8 |
Maximum memory bandwidth | 204.8 GB/s | 307/341 GB/s |
Maximum memory size | 4 TB | |
Supported memory types | DDR4-3200 | DDR4 |
Supported memory frequency | 2400/2666 MHz | |
Compatibility |
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Socket Count | 1P/2P | 1P/2P |
Sockets supported | SP3 | TR4 |
Thermal Design Power (TDP) | 200 Watt | 155/170 Watt |
Max number of CPUs in a configuration | 2 | |
Peripherals |
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Max number of PCIe lanes | 128 | |
PCI Express revision | 4.0 | x128 |
PCIe configurations | x16, x8 | |
Virtualization |
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AMD Virtualization (AMD-V™) |