AMD EPYC 7643P vs AMD EPYC 9555P

VS

AMD EPYC 7643P

AMD EPYC 9555P

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and AMD EPYC 9555P with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Lower TDP (225W vs 360W)

AMD EPYC 9555P 's Advantages

Released 1 years and 1 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.2GHz vs 2.3GHz)

More modern manufacturing process (4nm vs 7nm)

Score

AMD EPYC 7643P

VS

AMD EPYC 9555P

General Parameters

Sep 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC(Zen 5 (Turin))

Package

33.2 billions

Transistor Count

66.52 billions

7 nm

Manufacturing Process

4 nm

225 W

Power Consumption

360 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

8x70.6 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

2.3 GHz

Performance Core Base Frequency

3.2 GHz

3.6 GHz

Performance Core Turbo Frequency

4.4 GHz

48

Total Core Count

64

96

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

32.0

64 KB per core

L1 Cache

80 KB per core

512 KB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

8

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9555P

4

PCIe Version

5

128

PCIe Lanes

128

Related CPU Comparisons

1

AMD EPYC 7643P vs Xeon E 2486

2

AMD EPYC 7643P vs Intel Xeon LC3518

3

AMD EPYC 7643P vs EPYC Embedded 8534P

4

AMD EPYC 7643P vs Xeon L5639

5

AMD EPYC 7643P vs Intel Xeon E5640

6

AMD EPYC 7643P vs Xeon w5 3535X

7

AMD EPYC 7643P vs Opteron 6180 SE

8

AMD EPYC 7643P vs Intel Xeon E 2378

9

AMD EPYC 7643P vs AMD EPYC 9384X

10

AMD EPYC 7643P vs AMD EPYC Embedded 3255

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage