AMD EPYC 7702 vs AMD EPYC 9645

VS

AMD EPYC 7702

AMD EPYC 9645

We compared two server CPUs: AMD EPYC 7702 with 64 cores 2GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7702 's Advantages

Lower TDP (200W vs 320W)

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)

Higher base frequency (2.3GHz vs 2GHz)

More modern manufacturing process (3nm vs 7nm)

Score

AMD EPYC 7702

VS

AMD EPYC 9645

General Parameters

Aug 2019

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Rome

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

EPYC(Zen 5c (Turin))

Package

3.8 billions

Transistor Count

7 nm

Manufacturing Process

3 nm

200 W

Power Consumption

320 W

TSMC

Foundry

TSMC

74 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

2 GHz

Performance Core Base Frequency

2.3 GHz

3.35 GHz

Performance Core Turbo Frequency

3.7 GHz

64

Total Core Count

96

128

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

23.0

96 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

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 9645

4

PCIe Version

5

-

PCIe Lanes

128

Related CPU Comparisons

1

AMD EPYC 7702 vs Xeon w7 3555

2

AMD EPYC 7702 vs Xeon D 2798NT

3

AMD EPYC 7702 vs AMD EPYC Embedded 3151

4

AMD EPYC 7702 vs AMD EPYC 9254

5

AMD EPYC 7702 vs Intel Xeon E5 4648 v3

6

AMD EPYC 7702 vs Intel Xeon E3 1230 v2

7

AMD EPYC 7702 vs AMD EPYC 8434P

8

AMD EPYC 7702 vs Intel Xeon w5 2465X

9

AMD EPYC 7702 vs AMD EPYC 9555P

10

AMD EPYC 7702 vs Intel Xeon E3 1280 v2

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

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

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

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

10

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