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 678X

CORE STATE Granite Rapids

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.4 Base / 4.9 GHz Turbo

CACHE 192 MB (shared)

MAX TDP 300W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2026

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

7,032

8,444

cinebench_cinebench_r15_singlecore

992

1,192

cinebench_cinebench_r20_multicore

29,304

35,185

cinebench_cinebench_r20_singlecore

4,137

4,967

cinebench_cinebench_r23_multicore

69,773

83,775

cinebench_cinebench_r23_singlecore

9,850

N/A

passmark_data_compression

1,447,020

1,690,896

passmark_data_encryption

111,725

83,598

passmark_extended_instructions

73,719

141,431

passmark_find_prime_numbers

676

1,010

passmark_floating_point_math

251,535

362,070

passmark_integer_math

468,096

405,075

passmark_multithread

82,087

98,559

passmark_physics

8,020

7,809

passmark_random_string_sorting

184,367

164,102

passmark_single_thread

2,606

3,758

passmark_singlethread

2,606

3,758

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7663

678X

Core Specs

Cores

56

48 -14.3%

Threads

112

96 -14.3%

Base Clock (GHz)

2,000

2.4 -99.9%

Boost Clock (GHz)

3.5

4.9 +40.0%

Frequency (GHz)

2,000

2.4 -99.9%

Turbo Clock (GHz)

3.5

4.9 +40.0%

Multiplier

20

24 +20.0%

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)

192 MB (shared)

Power

TDP (W)

240

300 +25.0%

Configurable TDP

225 W

—

Architecture

Architecture

Zen 3

Granite Rapids

Codename

Milan

Granite Rapids

Generation

EPYC (Zen 3 (Milan))

Xeon 600 (Granite Rapids-WS)

Process Size

7 nm

5 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

2x 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

Chipsets

—

W890

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

10 nm

Interconnect

CXL

—

Gen 2.0 (Shared with PCI-E)

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$6366

$3749

Part Number

100-000000318100-100000318WOF

SA2CX

Package

FCLGA-4094

FC-LGA18N

Tj Max

—

98°C

Bundled Cooler

—

None

View EPYC 7663 Details View Xeon 678X Details