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 PRO 5945

CORE STATE Vermeer

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3 Base / 4.7 GHz Turbo

CACHE 64 MB

MAX TDP 65W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

2,959

cinebench_cinebench_r15_singlecore

992

417

cinebench_cinebench_r20_multicore

29,304

12,333

cinebench_cinebench_r20_singlecore

4,137

1,740

cinebench_cinebench_r23_multicore

69,773

29,366

cinebench_cinebench_r23_singlecore

9,850

4,145

passmark_data_compression

1,447,020

416,599

passmark_data_encryption

111,725

26,313

passmark_extended_instructions

73,719

27,031

passmark_find_prime_numbers

676

228

passmark_floating_point_math

251,535

70,291

passmark_integer_math

468,096

129,768

passmark_multithread

82,087

34,549

passmark_physics

8,020

1,772

passmark_random_string_sorting

184,367

43,447

passmark_single_thread

2,606

3,499

passmark_singlethread

2,606

3,499

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

9 PRO 5945

Core Specs

Cores

56

12 -78.6%

Threads

112

24 -78.6%

Base Clock (GHz)

2,000

3 -99.9%

Boost Clock (GHz)

3.5

4.7 +34.3%

Frequency (GHz)

2,000

3 -99.9%

Turbo Clock (GHz)

3.5

4.7 +34.3%

Multiplier

20

30 +50.0%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

512 KB (per core)

L3 Cache

256 MB (shared)

64 MB

Power

TDP (W)

240

65 -72.9%

PPT

—

88 W

Configurable TDP

225 W

—

Architecture

Architecture

Zen 3

Zen 3

Codename

Milan

Vermeer

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 3 (Vermeer))

Process Size

7 nm

7 nm

Transistors

33,200 million

8,300 million

Die Size

8x 81 mm²

2x 74 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR4

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

51.2 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket AM4

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

7

—

IO Process Size

12 nm

12 nm

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$6366

—

Part Number

100-000000318100-100000318WOF

100-000000831

Package

FCLGA-4094

µOPGA-1331

Bundled Cooler

—

None

View EPYC 7663 Details View Ryzen 9 PRO 5945 Details