AMD EPYC 9645 vs AMD EPYC 7642

VS

AMD EPYC 9645

AMD EPYC 7642

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and AMD EPYC 7642 with 48 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9645 's Advantages

Released 5 years and 2 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

More modern manufacturing process (3nm vs 7nm)

AMD EPYC 7642 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (225W vs 320W)

Score

AMD EPYC 9645

VS

AMD EPYC 7642

General Parameters

Oct 2024

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Rome

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

EPYC (Zen 2 (Rome))

Package

Transistor Count

3.8 billions

3 nm

Manufacturing Process

7 nm

320 W

Power Consumption

225 W

TSMC

Foundry

TSMC

mm²

Die Size

74 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

2.4 GHz

3.7 GHz

Performance Core Turbo Frequency

3.4 GHz

96

Total Core Count

48

192

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24.0

80 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-3200

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

-

Related CPU Comparisons

1

AMD EPYC 9645 vs Intel Xeon Platinum 8352S

2

AMD EPYC 9645 vs EPYC 7272

3

AMD EPYC 9645 vs Opteron 8222

4

AMD EPYC 9645 vs AMD EPYC 9575F

5

AMD EPYC 9645 vs AMD EPYC 7452

6

AMD EPYC 9645 vs Intel Xeon Gold 5416S

7

AMD EPYC 9645 vs Intel Xeon L5630

8

AMD EPYC 9645 vs AMD Threadripper PRO 7985WX

9

AMD EPYC 9645 vs Intel Xeon E5 2403

10

AMD EPYC 9645 vs Intel Xeon Gold 6326

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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