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

i

Intel

INTEL

Xeon 6521P

CORE STATE Granite Rapids

CORE SPECS 24 Cores / 48 Threads

CLOCK SPEED 2.6 Base / 4.1 GHz Turbo

CACHE 144 MB (shared)

MAX TDP 225W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

4,966

cinebench_cinebench_r15_singlecore

992

701

cinebench_cinebench_r20_multicore

29,304

20,695

cinebench_cinebench_r20_singlecore

4,137

2,921

cinebench_cinebench_r23_multicore

69,773

49,274

cinebench_cinebench_r23_singlecore

9,850

6,956

passmark_data_compression

1,447,020

840,355

passmark_data_encryption

111,725

47,452

passmark_extended_instructions

73,719

57,751

passmark_find_prime_numbers

676

437

passmark_floating_point_math

251,535

155,294

passmark_integer_math

468,096

214,076

passmark_multithread

82,087

57,970

passmark_physics

8,020

4,105

passmark_random_string_sorting

184,367

98,119

passmark_single_thread

2,606

2,829

passmark_singlethread

2,606

2,829

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

6521P

Core Specs

Cores

56

24 -57.1%

Threads

112

48 -57.1%

Base Clock (GHz)

2,000

2.6 -99.9%

Boost Clock (GHz)

3.5

4.1 +17.1%

Frequency (GHz)

2,000

2.6 -99.9%

Turbo Clock (GHz)

3.5

4.1 +17.1%

Multiplier

20

26 +30.0%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

112 KB (per core)

L2 Cache

512 KB (per core)

2 MB (per core)

L3 Cache

256 MB (shared)

144 MB (shared)

Power

TDP (W)

240

225 -6.3%

Configurable TDP

225 W

—

Architecture

Architecture

Zen 3

Granite Rapids

Codename

Milan

Granite Rapids

Generation

EPYC (Zen 3 (Milan))

Xeon 6 (Granite Rapids-SP)

Process Size

7 nm

5 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

598 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Eight-channel

Memory Bandwidth

204.8 GB/s

409.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

Intel Socket 4710

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 136 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

7

—

IO Process Size

12 nm

10 nm

Interconnect

CXL

—

Gen 2.0, 64 Lanes (Shared with PCI-E)

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$6366

$1250

Part Number

100-000000318100-100000318WOF

SRVNS

Package

FCLGA-4094

FC-LGA18N

Tj Max

—

100°C

Bundled Cooler

—

None

View EPYC 7663 Details View Xeon 6521P Details