CPU Comparison

A

AMD

AMD

AMD EPYC 7643P

CORE STATE Milan

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.3 Base / 3.6 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2023

VS

i

Intel

INTEL

Xeon 636

CORE STATE Granite Rapids

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.5 Base / 4.7 GHz Turbo

CACHE 48 MB (shared)

MAX TDP 170W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2026

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

3,805

cinebench_cinebench_r15_singlecore

934

537

cinebench_cinebench_r20_multicore

27,598

15,857

cinebench_cinebench_r20_singlecore

3,895

2,238

cinebench_cinebench_r23_multicore

65,710

37,757

cinebench_cinebench_r23_singlecore

9,276

5,330

passmark_data_compression

1,326,051

550,395

passmark_data_encryption

95,606

27,193

passmark_extended_instructions

67,398

43,282

passmark_find_prime_numbers

651

255

passmark_floating_point_math

216,592

107,826

passmark_integer_math

390,775

138,281

passmark_multithread

77,307

44,421

passmark_physics

8,002

3,645

passmark_random_string_sorting

160,274

54,420

passmark_single_thread

2,655

3,937

passmark_singlethread

2,655

3,937

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

636

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

2.3

3.5 +52.2%

Boost Clock (GHz)

3.6

4.7 +30.6%

Frequency (GHz)

2.3

3.5 +52.2%

Turbo Clock (GHz)

3.6

4.7 +30.6%

Multiplier

23

35 +52.2%

SMP CPUs

1

1 0.0%

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)

48 MB (shared)

Power

TDP (W)

225

170 -24.4%

Configurable TDP

240 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

598 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Quad-channel

Memory Bandwidth

204.8 GB/s

204.8 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, 80 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

8

—

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

$2722

$639

Part Number

100-000001285

SA2DM

Package

FCLGA-4094

FC-LGA18N

Tj Max

—

101°C

Bundled Cooler

—

None

View EPYC 7643P Details View Xeon 636 Details