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 AI Max+ 395

CORE STATE Strix Halo

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 3 Base / 5.1 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

6,623

4,558

cinebench_cinebench_r15_singlecore

934

643

cinebench_cinebench_r20_multicore

27,598

18,995

cinebench_cinebench_r20_singlecore

3,895

2,681

cinebench_cinebench_r23_multicore

65,710

45,228

cinebench_cinebench_r23_singlecore

9,276

6,385

passmark_data_compression

1,326,051

656,891

passmark_data_encryption

95,606

34,086

passmark_extended_instructions

67,398

52,958

passmark_find_prime_numbers

651

298

passmark_floating_point_math

216,592

123,833

passmark_integer_math

390,775

195,223

passmark_multithread

77,307

53,137

passmark_physics

8,002

3,448

passmark_random_string_sorting

160,274

72,894

passmark_single_thread

2,655

4,123

passmark_singlethread

2,655

4,123

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

AI Max+ 395

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.3

3 +30.4%

Boost Clock (GHz)

3.6

5.1 +41.7%

Frequency (GHz)

2.3

3 +30.4%

Turbo Clock (GHz)

3.6

5.1 +41.7%

Multiplier

23

30 +30.4%

SMP CPUs

1

1 0.0%

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

8

—

IO Process Size

12 nm

—

AI/NPU

NPU

—

Yes / 50 TOPS

Graphics

Integrated Graphics

—

Radeon 8060S

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$2722

—

Part Number

100-000001285

100-000001099

Package

FCLGA-4094

FC-BGA

Tj Max

—

100°C

View EPYC 7643P Details View Ryzen AI Max+ 395 Details