CPU Comparison

A

AMD

AMD

AMD EPYC 9455P

CORE STATE Turin

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 3.15 Base / 4.4 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 300W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2024

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

9,999

3,635

cinebench_cinebench_r15_singlecore

1,411

513

cinebench_cinebench_r20_multicore

41,666

15,146

cinebench_cinebench_r20_singlecore

5,882

2,138

cinebench_cinebench_r23_multicore

99,206

36,064

cinebench_cinebench_r23_singlecore

14,005

5,091

passmark_data_compression

1,932,632

493,517

passmark_data_encryption

115,202

25,692

passmark_extended_instructions

138,505

39,250

passmark_find_prime_numbers

1,089

322

passmark_floating_point_math

358,673

93,598

passmark_integer_math

606,087

148,707

passmark_multithread

116,713

42,429

passmark_physics

16,647

2,754

passmark_random_string_sorting

241,849

53,851

passmark_single_thread

3,750

4,025

passmark_singlethread

3,750

4,025

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 9455P

AI Max 390

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

3.15

3.2 +1.6%

Boost Clock (GHz)

4.4

5 +13.6%

Frequency (GHz)

3.15

3.2 +1.6%

Turbo Clock (GHz)

4.4

5 +13.6%

Multiplier

31.5

32 +1.6%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

64 MB (shared)

Power

TDP (W)

300

55 -81.7%

Configurable TDP

240-300 W

45-120 W

Architecture

Architecture

Zen 5

Zen 5

Codename

Turin

Strix Halo

Generation

EPYC (Zen 5 (Turin))

Ryzen AI Max (Zen 5 (Strix Halo))

Process Size

4 nm

4 nm

Transistors

66,520 million

—

Die Size

8x 70.6 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

LPDDR5X

Memory Bus

Twelve-channel

Quad-channel

Memory Bandwidth

576.0 GB/s

256.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP5

AMD Socket FP11

PCIe

Gen 5, 128 Lanes(CPU only)

Gen 4, 16 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

—

Interconnect

CXL

Gen 2.0

—

AI/NPU

NPU

—

Yes / 50 TOPS

Graphics

Integrated Graphics

—

Radeon 8050S

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4819

—

Part Number

100-000001563

100-000001423

Package

FC-LGA6096

FC-BGA

Tj Max

—

100°C

View EPYC 9455P Details View Ryzen AI Max 390 Details