CPU Comparison

A

AMD

AMD

AMD EPYC 7642

CORE STATE Rome

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.4 Base / 3.4 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

VS

A

AMD

AMD

Ryzen 9 3900XT

CORE STATE Matisse 2

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.9 Base / 4.7 GHz Turbo

CACHE 64 MB

MAX TDP 105W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

2,790

cinebench_cinebench_r15_singlecore

711

393

cinebench_cinebench_r20_multicore

20,989

11,628

cinebench_cinebench_r20_singlecore

2,963

1,641

cinebench_cinebench_r23_multicore

49,975

27,688

cinebench_cinebench_r23_singlecore

7,055

3,909

passmark_data_compression

1,195,584

452,328

passmark_data_encryption

86,397

28,634

passmark_extended_instructions

68,841

28,586

passmark_find_prime_numbers

496

214

passmark_floating_point_math

181,887

58,513

passmark_integer_math

305,303

99,722

passmark_multithread

58,795

32,575

passmark_physics

5,098

1,776

passmark_random_string_sorting

114,871

48,327

passmark_single_thread

2,052

2,742

passmark_singlethread

2,052

2,742

3dmark_16_threads

N/A

7,537

3dmark_2_threads

N/A

1,452

3dmark_4_threads

N/A

2,796

3dmark_8_threads

N/A

5,200

3dmark_max_threads

N/A

8,515

3dmark_single_thread

N/A

735

geekbench_multicore

N/A

9,950

geekbench_singlecore

N/A

1,739

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

9 3900XT

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

2.4

3.9 +62.5%

Boost Clock (GHz)

3.4

4.7 +38.2%

Frequency (GHz)

2.4

3.9 +62.5%

Turbo Clock (GHz)

3.4

4.7 +38.2%

Multiplier

24

39 +62.5%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

96 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

512 KB (per core)

L3 Cache

256 MB (shared)

64 MB

Power

TDP (W)

225

105 -53.3%

PPT

—

142 W

Architecture

Architecture

Zen 2

Zen 2

Codename

Rome

Matisse 2

Generation

EPYC (Zen 2 (Rome))

Ryzen 9 (Zen 2 (Matisse))

Process Size

7 nm

7 nm

Transistors

3,800 million

7,600 million

Die Size

74 mm²

2x 74 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR4

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

51.2 GB/s

ECC Memory

Yes

No

Platform

Socket

AMD Socket SP3

AMD Socket AM4

PCIe

Gen 4

Gen 4, 24 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

12 nm

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

—

$499

Part Number

100-000000074

100-100000277WOF

Package

FCLGA-4094

µOPGA-1331

View EPYC 7642 Details View Ryzen 9 3900XT Details