AMD EPYC 7443 vs Opteron 6338P

VS

AMD EPYC 7443

AMD Opteron 6338P

We compared two server CPUs: AMD EPYC 7443 with 24 cores 2.85GHz and Opteron 6338P with 12 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7443 's Advantages

Released 7 years and 2 months late

Higher specification of memory (3200 vs 1600)

Newer PCIe version (4 vs 2)

Higher base frequency (2.85GHz vs 2.3GHz)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (7nm vs 32nm)

Opteron 6338P 's Advantages

Lower TDP (99W vs 200W)

Score

AMD EPYC 7443

VS

Opteron 6338P

General Parameters

Mar 2021

Release Date

Jan 2014

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Warsaw

AMD Socket SP3

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Opteron (Abu Dhabi)

Package

16.6 billions

Transistor Count

2.4 billions

7 nm

Manufacturing Process

32 nm

200 W

Power Consumption

99 W

-

Peak Operating Temperature

69 °C

TSMC

Foundry

GlobalFoundries

4x81 mm²

Die Size

2x315 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.85 GHz

Performance Core Base Frequency

2.3 GHz

4 GHz

Performance Core Turbo Frequency

2.8 GHz

24

Total Core Count

12

48

Total Thread Count

12

100 MHz

Bus Frequency

200 MHz

28.5

Multiplier

11.5

64 KB per core

L1 Cache

576 KB

512 KB per core

L2 Cache

2 MB per module

128 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

4

Memory Parameters

DDR4-3200

Memory Types

DDR3-1600

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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