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AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 2
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 3
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 4
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 5
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 6
AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU - Image 7

AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU

$344.60 – $449.76

  1. Core Configuration:

    • 7542: 32-core high-frequency option

    • 7552/7642: 48-core variants with different cache sizes

  2. Clock Speeds:

    • 7542 offers highest base (2.9GHz) and boost (3.4GHz) clocks

    • 7552 has lowest base clock (2.2GHz) for maximum core efficiency

    • 7642 balances clocks (2.3GHz base) with massive cache

  3. Cache Hierarchy:

    • 7542: 128MB L3

    • 7552: 192MB L3

    • 7642: 256MB L3 (largest in EPYC lineup)

  4. TDP:

    • 7552 most efficient at 200W for 48 cores

    • 7542 and 7642 at 225W for higher performance

Recommendations:

  • Need maximum single-thread speed? EPYC 7542

  • Want highest core count? EPYC 7552 or 7642

  • Working with massive datasets? EPYC 7642‘s 256MB cache is ideal

  • All support dual-socket configurations and PCIe 4.0

SKU: N/A Category:

AMD EPYC 7542 7552 7642 Processor 32 Cores 2.9GHz Base 64MB Cache 155W TDP SP3 Socket CPU

Here’s a detailed comparison table for the AMD EPYC 7542, EPYC 7552, and EPYC 7642 processors:

Specification EPYC 7542 EPYC 7552 EPYC 7642
Cores/Threads 32C/64T 48C/96T 48C/96T
Base Clock 2.9 GHz 2.2 GHz 2.3 GHz
Max Boost Clock 3.4 GHz 3.35 GHz 3.3 GHz
L3 Cache 128 MB 192 MB 256 MB
TDP 225W 200W 225W
PCIe Lanes 128 (PCIe 4.0) 128 (PCIe 4.0) 128 (PCIe 4.0)
Memory Support 8-channel DDR4-3200 8-channel DDR4-3200 8-channel DDR4-3200
Socket SP3 SP3 SP3
Multi-Processor Support Yes (2P) Yes (2P) Yes (2P)
Launch Year 2019 2019 2019
Target Market High frequency compute High core count Extreme cache capacity

1. AMD EPYC 7542

  • Cores/Threads: 32C/64T

  • Clock Speeds: 2.9 GHz (Base) / 3.4 GHz (Boost)

  • Cache: 128MB L3

  • TDP: 225W

  • Socket: SP3 (Dual-Socket Capable)

  • Key Features:

    • High-frequency 32-core processor optimized for clock-sensitive workloads

    • Highest boost clock (3.4GHz) in this comparison group

    • Balanced 128MB L3 cache for general enterprise workloads

    • 225W TDP enables sustained high performance

  • Best For:

    • High-performance computing (HPC)

    • Real-time analytics

    • Financial modeling and trading systems

    • Single-thread performance sensitive applications

2. AMD EPYC 7552

  • Cores/Threads: 48C/96T

  • Clock Speeds: 2.2 GHz (Base) / 3.35 GHz (Boost)

  • Cache: 192MB L3

  • TDP: 200W

  • Socket: SP3 (Dual-Socket Capable)

  • Key Features:

    • Extreme core density with 48 cores/96 threads

    • Surprisingly efficient 200W TDP for core count

    • Large 192MB L3 cache benefits parallel workloads

    • Optimized for throughput-oriented applications

  • Best For:

    • Cloud computing infrastructure

    • Virtualized environments

    • Rendering farms

    • Scientific computing

3. AMD EPYC 7642

  • Cores/Threads: 48C/96T

  • Clock Speeds: 2.3 GHz (Base) / 3.3 GHz (Boost)

  • Cache: 256MB L3 (Largest in EPYC lineup)

  • TDP: 225W

  • Socket: SP3 (Dual-Socket Capable)

  • Key Features:

    • Unprecedented cache capacity for memory-bound workloads

    • Slightly higher base clock than 7552 (2.3GHz vs 2.2GHz)

    • 225W TDP enables better sustained boost performance

    • Ideal for datasets that benefit from massive on-die cache

  • Best For:

    • In-memory databases

    • Big data analytics

    • AI/ML workloads

    • High-frequency trading systems

Comparison Summary

  • Single-Thread Performance: 7542 > 7642 > 7552

  • Core Density: 7552 = 7642 (48C) > 7542 (32C)

  • Cache Size: 7642 (256MB) > 7552 (192MB) > 7542 (128MB)

  • Power Efficiency: 7552 (200W) > 7642 (225W) > 7542 (225W)

Selection Guide

  • Choose 7542 for: Maximum clock speeds and single-thread performance

  • Choose 7552 for: Best core density with good efficiency

  • Choose 7642 for: Workloads that benefit from massive cache

All three processors feature:

  • 128 PCIe 4.0 lanes

  • 8-channel DDR4-3200 memory support

  • Dual-socket capability

  • Zen 2 architecture

AMD EPYC 7542

EPYC 7542, EPYC 7552, EPYC 7642

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