AMD EPYC 7773X vs AMD EPYC 7663

VS

AMD EPYC 7773X

AMD EPYC 7663

We compared two server CPUs: AMD EPYC 7773X with 64 cores 2.2GHz and AMD EPYC 7663 with 56 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7773X 's Advantages

Released 1 years late

Higher base frequency (2.2GHz vs 2GHz)

Larger L3 cache size (768MB vs 256MB)

AMD EPYC 7663 's Advantages

Lower TDP (240W vs 280W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7773X +113%

1656

AMD EPYC 7663

777

Geekbench 6 Multi Core

AMD EPYC 7773X

2811

AMD EPYC 7663 +125%

6330

AMD EPYC 7773X

VS

AMD EPYC 7663

General Parameters

Mar 2022

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Milan-X

Core Architecture

Milan

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 3 (Milan))

Package

33.2 billions

Transistor Count

33.2 billions

7 nm

Manufacturing Process

7 nm

280 W

Power Consumption

240 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

8x81 mm²

12 nm

I/O Process Size

12 nm

416 mm²

I/O Die Size

416 mm²

CPU Performance

2.2 GHz

Performance Core Base Frequency

2 GHz

3.5 GHz

Performance Core Turbo Frequency

3.5 GHz

64

Total Core Count

56

128

Total Thread Count

112

100 MHz

Bus Frequency

100 MHz

22.0

Multiplier

20.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

768 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

7

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

128

PCIe Lanes

128

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