CPU Comparison

A

AMD

AMD

AMD EPYC 7643

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 2021

VS

A

AMD

AMD

Ryzen AI Max PRO 390

CORE STATE Strix Halo

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.2 Base / 5 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

6,515

3,700

cinebench_cinebench_r15_singlecore

919

522

cinebench_cinebench_r20_multicore

27,149

15,418

cinebench_cinebench_r20_singlecore

3,832

2,176

cinebench_cinebench_r23_multicore

64,642

36,710

cinebench_cinebench_r23_singlecore

9,126

5,182

passmark_data_compression

N/A

505,322

passmark_data_encryption

N/A

26,115

passmark_extended_instructions

N/A

40,687

passmark_find_prime_numbers

N/A

333

passmark_floating_point_math

N/A

96,002

passmark_integer_math

N/A

150,375

passmark_multithread

N/A

43,189

passmark_physics

N/A

2,769

passmark_random_string_sorting

N/A

55,663

passmark_single_thread

N/A

3,997

passmark_singlethread

N/A

3,997

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

AI Max PRO 390

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

2.3

3.2 +39.1%

Boost Clock (GHz)

3.6

5 +38.9%

Frequency (GHz)

2.3

3.2 +39.1%

Turbo Clock (GHz)

3.6

5 +38.9%

Multiplier

23

32 +39.1%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 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%

Configurable TDP

240 W

45-120 W

Architecture

Architecture

Zen 3

Zen 5

Codename

Milan

Strix Halo

Generation

EPYC (Zen 3 (Milan))

Ryzen AI Max (Zen 5 (Strix Halo))

Process Size

7 nm

4 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

—

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

LPDDR5X

Memory Bus

Eight-channel

Quad-channel

Memory Bandwidth

204.8 GB/s

256.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket FP11

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 4, 16 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

—

AI/NPU

NPU

—

Yes / 50 TOPS

Graphics

Integrated Graphics

—

Radeon 8050S

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4995

—

Part Number

100-000000326100-100000326WOF

100-000001421

Package

FCLGA-4094

FC-BGA

Tj Max

—

100°C

View EPYC 7643 Details View Ryzen AI Max PRO 390 Details