CPU Comparison

A

AMD

AMD

AMD EPYC 7643P

CORE STATE Milan

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.3 Base / 3.6 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2023

VS

A

AMD

AMD

Ryzen 5 PRO 7645

CORE STATE Raphael

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 3.8 Base / 5.1 GHz Turbo

CACHE 32 MB (shared)

MAX TDP 65W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

2,188

cinebench_cinebench_r15_singlecore

934

308

cinebench_cinebench_r20_multicore

27,598

9,118

cinebench_cinebench_r20_singlecore

3,895

1,287

cinebench_cinebench_r23_multicore

65,710

21,710

cinebench_cinebench_r23_singlecore

9,276

3,065

passmark_data_compression

1,326,051

286,298

passmark_data_encryption

95,606

16,657

passmark_extended_instructions

67,398

21,813

passmark_find_prime_numbers

651

198

passmark_floating_point_math

216,592

45,202

passmark_integer_math

390,775

74,782

passmark_multithread

77,307

25,489

passmark_physics

8,002

1,598

passmark_random_string_sorting

160,274

34,557

passmark_single_thread

2,655

3,652

passmark_singlethread

2,655

3,652

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

5 PRO 7645

Core Specs

Cores

48

6 -87.5%

Threads

96

12 -87.5%

Base Clock (GHz)

2.3

3.8 +65.2%

Boost Clock (GHz)

3.6

5.1 +41.7%

Frequency (GHz)

2.3

3.8 +65.2%

Turbo Clock (GHz)

3.6

5.1 +41.7%

Multiplier

23

38 +65.2%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

32 MB (shared)

Power

TDP (W)

225

65 -71.1%

PPT

—

88 W

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Raphael

Generation

EPYC (Zen 3 (Milan))

Ryzen 5 (Zen 4 (Raphael))

Process Size

7 nm

5 nm

Transistors

33,200 million

6,570 million

Die Size

8x 81 mm²

71 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

83.2 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket AM5

Chipsets

—

X670E, X670, B650E, B650, A620

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 24 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

8

—

IO Process Size

12 nm

6 nm

Graphics

Integrated Graphics

—

Radeon Graphics

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$2722

—

Part Number

100-000001285

100-000000600

Package

FCLGA-4094

FC-LGA1718

Tj Max

—

95°C

Bundled Cooler

—

Wraith Spire

View EPYC 7643P Details View Ryzen 5 PRO 7645 Details