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

EPYC 9745

CORE STATE Turin

CORE SPECS 128 Cores / 256 Threads

CLOCK SPEED 2.4 Base / 3.7 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 400W

ARCHITECTURE Zen 5

nm

PROCESS 3 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

11,198

cinebench_cinebench_r15_singlecore

992

1,580

cinebench_cinebench_r20_multicore

29,304

46,659

cinebench_cinebench_r20_singlecore

4,137

6,586

cinebench_cinebench_r23_multicore

69,773

111,093

cinebench_cinebench_r23_singlecore

9,850

15,683

passmark_data_compression

1,447,020

3,929,890

passmark_data_encryption

111,725

229,447

passmark_extended_instructions

73,719

280,477

passmark_find_prime_numbers

676

979

passmark_floating_point_math

251,535

761,219

passmark_integer_math

468,096

1,224,315

passmark_multithread

82,087

130,698

passmark_physics

8,020

17,122

passmark_random_string_sorting

184,367

468,975

passmark_single_thread

2,606

2,806

passmark_singlethread

2,606

2,806

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

EPYC 9745

Core Specs

Cores

56

128 +128.6%

Threads

112

256 +128.6%

Base Clock (GHz)

2,000

2.4 -99.9%

Boost Clock (GHz)

3.5

3.7 +5.7%

Frequency (GHz)

2,000

2.4 -99.9%

Turbo Clock (GHz)

3.5

3.7 +5.7%

Multiplier

20

24 +20.0%

SMP CPUs

2

2 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)

256 MB (shared)

Power

TDP (W)

240

400 +66.7%

Configurable TDP

225 W

320-400 W

Architecture

Architecture

Zen 3

Zen 5

Codename

Milan

Turin

Generation

EPYC (Zen 3 (Milan))

EPYC (Zen 5c (Turin))

Process Size

7 nm

3 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

—

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Twelve-channel

Memory Bandwidth

204.8 GB/s

576.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket SP5

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

7

—

IO Process Size

12 nm

6 nm

Interconnect

CXL

—

Gen 2.0

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$6366

$12141

Part Number

100-000000318100-100000318WOF

100-000001460

Package

FCLGA-4094

FC-LGA6096

View EPYC 7663 Details View EPYC 9745 Details