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 3900X

CORE STATE Matisse

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.8 Base / 4.6 GHz Turbo

CACHE 64 MB

MAX TDP 105W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

2,788

cinebench_cinebench_r15_singlecore

711

393

cinebench_cinebench_r20_multicore

20,989

11,618

cinebench_cinebench_r20_singlecore

2,963

1,640

cinebench_cinebench_r23_multicore

49,975

27,662

cinebench_cinebench_r23_singlecore

7,055

3,905

passmark_data_compression

1,195,584

448,906

passmark_data_encryption

86,397

28,586

passmark_extended_instructions

68,841

29,221

passmark_find_prime_numbers

496

214

passmark_floating_point_math

181,887

58,434

passmark_integer_math

305,303

99,628

passmark_multithread

58,795

32,544

passmark_physics

5,098

1,794

passmark_random_string_sorting

114,871

48,300

passmark_single_thread

2,052

2,703

passmark_singlethread

2,052

2,703

geekbench_multicore

N/A

9,924

geekbench_singlecore

N/A

1,708

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

9 3900X

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

2.4

3.8 +58.3%

Boost Clock (GHz)

3.4

4.6 +35.3%

Frequency (GHz)

2.4

3.8 +58.3%

Turbo Clock (GHz)

3.4

4.6 +35.3%

Multiplier

24

38 +58.3%

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

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

Chipsets

—

A300, X300, A320, B350, X370, B450, X470, A520, B550, X570

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

100-000000023100-100000023BOX100-100000023MPK

Package

FCLGA-4094

µOPGA-1331

View EPYC 7642 Details View Ryzen 9 3900X Details