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 9955HX

CORE STATE Fire Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.5 Base / 5.4 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

4,922

cinebench_cinebench_r15_singlecore

711

694

cinebench_cinebench_r20_multicore

20,989

20,510

cinebench_cinebench_r20_singlecore

2,963

2,895

cinebench_cinebench_r23_multicore

49,975

48,834

cinebench_cinebench_r23_singlecore

7,055

6,894

passmark_data_compression

1,195,584

753,225

passmark_data_encryption

86,397

38,386

passmark_extended_instructions

68,841

59,765

passmark_find_prime_numbers

496

296

passmark_floating_point_math

181,887

140,152

passmark_integer_math

305,303

218,727

passmark_multithread

58,795

57,640

passmark_physics

5,098

2,792

passmark_random_string_sorting

114,871

79,529

passmark_single_thread

2,052

4,459

passmark_singlethread

2,052

4,459

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

9 9955HX

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.4

2.5 +4.2%

Boost Clock (GHz)

3.4

5.4 +58.8%

Frequency (GHz)

2.4

2.5 +4.2%

Turbo Clock (GHz)

3.4

5.4 +58.8%

Multiplier

24

25 +4.2%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

96 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

64 MB (shared)

Power

TDP (W)

225

55 -75.6%

PPT

—

74-101 W

Configurable TDP

—

75 W

Architecture

Architecture

Zen 2

Zen 5

Codename

Rome

Fire Range

Generation

EPYC (Zen 2 (Rome))

Ryzen 9 (Zen 5 (Fire Range))

Process Size

7 nm

4 nm

Transistors

3,800 million

16,630 million

Die Size

74 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket FL1

PCIe

Gen 4

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

6 nm

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Part Number

100-000000074

100-000001028

Package

FCLGA-4094

µFC-BGAFL1

Tj Max

—

100°C

Bundled Cooler

—

None

View EPYC 7642 Details View Ryzen 9 9955HX Details