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

i

Intel

INTEL

Xeon 638

CORE STATE Granite Rapids

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 3.2 Base / 4.8 GHz Turbo

CACHE 72 MB (shared)

MAX TDP 180W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2026

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

4,768

cinebench_cinebench_r15_singlecore

711

672

cinebench_cinebench_r20_multicore

20,989

19,867

cinebench_cinebench_r20_singlecore

2,963

2,804

cinebench_cinebench_r23_multicore

49,975

47,303

cinebench_cinebench_r23_singlecore

7,055

6,678

passmark_data_compression

1,195,584

725,818

passmark_data_encryption

86,397

36,030

passmark_extended_instructions

68,841

56,498

passmark_find_prime_numbers

496

381

passmark_floating_point_math

181,887

144,757

passmark_integer_math

305,303

184,884

passmark_multithread

58,795

55,651

passmark_physics

5,098

4,704

passmark_random_string_sorting

114,871

74,318

passmark_single_thread

2,052

3,670

passmark_singlethread

2,052

3,670

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

638

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.4

3.2 +33.3%

Boost Clock (GHz)

3.4

4.8 +41.2%

Frequency (GHz)

2.4

3.2 +33.3%

Turbo Clock (GHz)

3.4

4.8 +41.2%

Multiplier

24

32 +33.3%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

96 KB (per core)

112 KB (per core)

L2 Cache

512 KB (per core)

2 MB (per core)

L3 Cache

256 MB (shared)

72 MB (shared)

Power

TDP (W)

225

180 -20.0%

Architecture

Architecture

Zen 2

Granite Rapids

Codename

Rome

Granite Rapids

Generation

EPYC (Zen 2 (Rome))

Xeon 600 (Granite Rapids-WS)

Process Size

7 nm

5 nm

Transistors

3,800 million

—

Die Size

74 mm²

598 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Quad-channel

Memory Bandwidth

204.8 GB/s

204.8 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

Intel Socket 4710

Chipsets

—

W890

PCIe

Gen 4

Gen 5, 80 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

10 nm

Interconnect

CXL

—

Gen 2.0 (Shared with PCI-E)

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

—

$899

Part Number

100-000000074

SA2DN

Package

FCLGA-4094

FC-LGA18N

Tj Max

—

100°C

Bundled Cooler

—

None

View EPYC 7642 Details View Xeon 638 Details