AMD EPYC 7663 vs AMD EPYC 7H12

VS

AMD EPYC 7663

AMD EPYC 7H12

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and AMD EPYC 7H12 with 64 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 's Advantages

Released 1 years and 6 months late

Lower TDP (240W vs 280W)

AMD EPYC 7H12 's Advantages

Higher base frequency (2.6GHz vs 2GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663

777

AMD EPYC 7H12 +56%

1215

Geekbench 6 Multi Core

AMD EPYC 7663

6330

AMD EPYC 7H12 +64%

10386

AMD EPYC 7663

VS

AMD EPYC 7H12

General Parameters

Mar 2021

Release Date

Sep 2019

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Rome

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 2 (Rome))

Package

33.2 billions

Transistor Count

3.8 billions

7 nm

Manufacturing Process

7 nm

240 W

Power Consumption

280 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

74 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

2.6 GHz

3.5 GHz

Performance Core Turbo Frequency

3.3 GHz

56

Total Core Count

64

112

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

26.0

64 KB per core

L1 Cache

96 K per core

512 KB per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

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

-

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