CPU Comparison

A

AMD

AMD

AMD EPYC 7663

CORE STATE Milan

CORE SPECS 56 Cores / 112 Threads

CLOCK SPEED 2000 Base / 3.5 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 240W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

AMD

EPYC 7742

CORE STATE Rome

CORE SPECS 64 Cores / 128 Threads

CLOCK SPEED 2.25 Base / 3.4 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

5,923

cinebench_cinebench_r15_singlecore

992

836

cinebench_cinebench_r20_multicore

29,304

24,682

cinebench_cinebench_r20_singlecore

4,137

3,484

cinebench_cinebench_r23_multicore

69,773

58,769

cinebench_cinebench_r23_singlecore

9,850

8,296

passmark_data_compression

1,447,020

N/A

passmark_data_encryption

111,725

N/A

passmark_extended_instructions

73,719

N/A

passmark_find_prime_numbers

676

N/A

passmark_floating_point_math

251,535

N/A

passmark_integer_math

468,096

N/A

passmark_multithread

82,087

N/A

passmark_physics

8,020

N/A

passmark_random_string_sorting

184,367

N/A

passmark_single_thread

2,606

N/A

passmark_singlethread

2,606

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

EPYC 7742

Core Specs

Cores

56

64 +14.3%

Threads

112

128 +14.3%

Base Clock (GHz)

2,000

2.25 -99.9%

Boost Clock (GHz)

3.5

3.4 -2.9%

Frequency (GHz)

2,000

2.25 -99.9%

Turbo Clock (GHz)

3.5

3.4 -2.9%

Multiplier

20

22.5 +12.5%

SMP CPUs

2

2 0.0%

Cache

L1 Cache

64 KB (per core)

96 KB (per core)

L2 Cache

512 KB (per core)

512 KB (per core)

L3 Cache

256 MB (shared)

256 MB (shared)

Power

TDP (W)

240

225 -6.3%

Configurable TDP

225 W

—

Architecture

Architecture

Zen 3

Zen 2

Codename

Milan

Rome

Generation

EPYC (Zen 3 (Milan))

EPYC (Zen 2 (Rome))

Process Size

7 nm

7 nm

Transistors

33,200 million

3,800 million

Die Size

8x 81 mm²

74 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR4

Memory Bus

Eight-channel

Eight-channel

Memory Bandwidth

204.8 GB/s

204.8 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket SP3

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 4

AMD Multi-Die

CCDs

8

—

Cores per CCD

7

—

IO Process Size

12 nm

—

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$6366

—

Part Number

100-000000318100-100000318WOF

100-000000053

Package

FCLGA-4094

FCLGA-4094

View EPYC 7663 Details View EPYC 7742 Details