CPU Comparison

A

AMD

AMD

AMD EPYC 4345P

CORE STATE Grado

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.8 Base / 5.5 GHz Turbo

CACHE 32 MB (shared)

MAX TDP 65W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

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

3,227

4,922

cinebench_cinebench_r15_singlecore

455

694

cinebench_cinebench_r20_multicore

13,448

20,510

cinebench_cinebench_r20_singlecore

1,898

2,895

cinebench_cinebench_r23_multicore

32,020

48,834

cinebench_cinebench_r23_singlecore

4,520

6,894

passmark_data_compression

430,813

753,225

passmark_data_encryption

22,820

38,386

passmark_extended_instructions

33,544

59,765

passmark_find_prime_numbers

194

296

passmark_floating_point_math

78,059

140,152

passmark_integer_math

124,180

218,727

passmark_multithread

37,671

57,640

passmark_physics

2,480

2,792

passmark_random_string_sorting

48,448

79,529

passmark_single_thread

4,672

4,459

passmark_singlethread

4,672

4,459

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 4345P

9 9955HX

Core Specs

Cores

8

16 +100.0%

Threads

16

32 +100.0%

Base Clock (GHz)

3.8

2.5 -34.2%

Boost Clock (GHz)

5.5

5.4 -1.8%

Frequency (GHz)

3.8

2.5 -34.2%

Turbo Clock (GHz)

5.5

5.4 -1.8%

Multiplier

38

25 -34.2%

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

32 MB (shared)

64 MB (shared)

Power

TDP (W)

65

55 -15.4%

PPT

88 W

74-101 W

Configurable TDP

—

75 W

Architecture

Architecture

Zen 5

Zen 5

Codename

Grado

Fire Range

Generation

EPYC (Zen 5 (Grado))

Ryzen 9 (Zen 5 (Fire Range))

Process Size

4 nm

4 nm

Transistors

8,315 million

16,630 million

Die Size

70.6 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

89.6 GB/s

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket AM5

AMD Socket FL1

PCIe

Gen 5, 24 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

6 nm

Graphics

Integrated Graphics

Radeon Graphics

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$329

—

Part Number

100-000001556

100-000001028

Package

FC-LGA1718

µFC-BGAFL1

Tj Max

95°C

100°C

Bundled Cooler

None

None

View EPYC 4345P Details View Ryzen 9 9955HX Details