CPU Comparison

A

AMD

AMD

AMD EPYC 7663

CORE STATE Milan

CORE SPECS 56 Cores / 112 Threads

CLOCK SPEED 2000 Base / 3.5 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 240W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

AMD

Ryzen 9 9955HX3D

CORE STATE Fire Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.5 Base / 5.4 GHz Turbo

CACHE 128 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

5,289

cinebench_cinebench_r15_singlecore

992

746

cinebench_cinebench_r20_multicore

29,304

22,039

cinebench_cinebench_r20_singlecore

4,137

3,111

cinebench_cinebench_r23_multicore

69,773

52,475

cinebench_cinebench_r23_singlecore

9,850

7,408

passmark_data_compression

1,447,020

762,606

passmark_data_encryption

111,725

38,516

passmark_extended_instructions

73,719

60,405

passmark_find_prime_numbers

676

521

passmark_floating_point_math

251,535

140,559

passmark_integer_math

468,096

219,084

passmark_multithread

82,087

61,403

passmark_physics

8,020

4,653

passmark_random_string_sorting

184,367

81,627

passmark_single_thread

2,606

4,492

passmark_singlethread

2,606

4,492

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

9 9955HX3D

Core Specs

Cores

56

16 -71.4%

Threads

112

32 -71.4%

Base Clock (GHz)

2,000

2.5 -99.9%

Boost Clock (GHz)

3.5

5.4 +54.3%

Frequency (GHz)

2,000

2.5 -99.9%

Turbo Clock (GHz)

3.5

5.4 +54.3%

Multiplier

20

25 +25.0%

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)

128 MB (shared)

Power

TDP (W)

240

55 -77.1%

PPT

—

74-101 W

Configurable TDP

225 W

75 W

Architecture

Architecture

Zen 3

Zen 5

Codename

Milan

Fire Range

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 5 (Fire Range))

Process Size

7 nm

4 nm

Transistors

33,200 million

16,630 million

Die Size

8x 81 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket FL1

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

7

—

IO Process Size

12 nm

6 nm

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$6366

—

Part Number

100-000000318100-100000318WOF

100-000001030

Package

FCLGA-4094

µFC-BGAFL1

Tj Max

—

100°C

Bundled Cooler

—

None

View EPYC 7663 Details View Ryzen 9 9955HX3D Details