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

EPYC 9255

CORE STATE Turin

CORE SPECS 24 Cores / 48 Threads

CLOCK SPEED 3.25 Base / 4.8 GHz Turbo

CACHE 128 MB (shared)

MAX TDP 200W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

6,483

cinebench_cinebench_r15_singlecore

711

915

cinebench_cinebench_r20_multicore

20,989

27,013

cinebench_cinebench_r20_singlecore

2,963

3,813

cinebench_cinebench_r23_multicore

49,975

64,318

cinebench_cinebench_r23_singlecore

7,055

9,080

passmark_data_compression

1,195,584

N/A

passmark_data_encryption

86,397

N/A

passmark_extended_instructions

68,841

N/A

passmark_find_prime_numbers

496

N/A

passmark_floating_point_math

181,887

N/A

passmark_integer_math

305,303

N/A

passmark_multithread

58,795

N/A

passmark_physics

5,098

N/A

passmark_random_string_sorting

114,871

N/A

passmark_single_thread

2,052

N/A

passmark_singlethread

2,052

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

EPYC 9255

Core Specs

Cores

48

24 -50.0%

Threads

96

48 -50.0%

Base Clock (GHz)

2.4

3.25 +35.4%

Boost Clock (GHz)

3.4

4.8 +41.2%

Frequency (GHz)

2.4

3.25 +35.4%

Turbo Clock (GHz)

3.4

4.8 +41.2%

Multiplier

24

32.5 +35.4%

SMP CPUs

2

2 0.0%

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)

128 MB (shared)

Power

TDP (W)

225

200 -11.1%

Configurable TDP

—

200-240 W

Architecture

Architecture

Zen 2

Zen 5

Codename

Rome

Turin

Generation

EPYC (Zen 2 (Rome))

EPYC (Zen 5 (Turin))

Process Size

7 nm

4 nm

Transistors

3,800 million

33,260 million

Die Size

74 mm²

4x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Twelve-channel

Memory Bandwidth

204.8 GB/s

576.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket SP5

PCIe

Gen 4

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

6 nm

Interconnect

CXL

—

Gen 2.0

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

—

$2495

Part Number

100-000000074

100-000000694

Package

FCLGA-4094

FC-LGA6096

View EPYC 7642 Details View EPYC 9255 Details