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 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

3,635

cinebench_cinebench_r15_singlecore

919

513

cinebench_cinebench_r20_multicore

27,149

15,146

cinebench_cinebench_r20_singlecore

3,832

2,138

cinebench_cinebench_r23_multicore

64,642

36,064

cinebench_cinebench_r23_singlecore

9,126

5,091

passmark_data_compression

N/A

493,517

passmark_data_encryption

N/A

25,692

passmark_extended_instructions

N/A

39,250

passmark_find_prime_numbers

N/A

322

passmark_floating_point_math

N/A

93,598

passmark_integer_math

N/A

148,707

passmark_multithread

N/A

42,429

passmark_physics

N/A

2,754

passmark_random_string_sorting

N/A

53,851

passmark_single_thread

N/A

4,025

passmark_singlethread

N/A

4,025

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

AI Max 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

2x 70.6 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

100-000001423

Package

FCLGA-4094

FC-BGA

Tj Max

—

100°C

View EPYC 7643 Details View Ryzen AI Max 390 Details