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 9 9955HX

CORE STATE Fire Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.5 Base / 5.4 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

4,922

cinebench_cinebench_r15_singlecore

1,411

694

cinebench_cinebench_r20_multicore

41,666

20,510

cinebench_cinebench_r20_singlecore

5,882

2,895

cinebench_cinebench_r23_multicore

99,206

48,834

cinebench_cinebench_r23_singlecore

14,005

6,894

passmark_data_compression

1,932,632

753,225

passmark_data_encryption

115,202

38,386

passmark_extended_instructions

138,505

59,765

passmark_find_prime_numbers

1,089

296

passmark_floating_point_math

358,673

140,152

passmark_integer_math

606,087

218,727

passmark_multithread

116,713

57,640

passmark_physics

16,647

2,792

passmark_random_string_sorting

241,849

79,529

passmark_single_thread

3,750

4,459

passmark_singlethread

3,750

4,459

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 9455P

9 9955HX

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

3.15

2.5 -20.6%

Boost Clock (GHz)

4.4

5.4 +22.7%

Frequency (GHz)

3.15

2.5 -20.6%

Turbo Clock (GHz)

4.4

5.4 +22.7%

Multiplier

31.5

25 -20.6%

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%

PPT

—

74-101 W

Configurable TDP

240-300 W

75 W

Architecture

Architecture

Zen 5

Zen 5

Codename

Turin

Fire Range

Generation

EPYC (Zen 5 (Turin))

Ryzen 9 (Zen 5 (Fire Range))

Process Size

4 nm

4 nm

Transistors

66,520 million

16,630 million

Die Size

8x 70.6 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Twelve-channel

Dual-channel

Memory Bandwidth

576.0 GB/s

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP5

AMD Socket FL1

PCIe

Gen 5, 128 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

6 nm

Interconnect

CXL

Gen 2.0

—

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4819

—

Part Number

100-000001563

100-000001028

Package

FC-LGA6096

µFC-BGAFL1

Tj Max

—

100°C

Bundled Cooler

—

None

View EPYC 9455P Details View Ryzen 9 9955HX Details