CPU Comparison

A

AMD

AMD

AMD EPYC 7643

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 2021

VS

i

Intel

INTEL

Xeon Phi 7290

CORE STATE Knights Landing

CORE SPECS 72 Cores / 288 Threads

CLOCK SPEED 1500 Base / 1700 GHz Turbo

CACHE —

MAX TDP 245W

ARCHITECTURE Knights Landing

nm

PROCESS 14 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

1,528

cinebench_cinebench_r15_singlecore

919

215

cinebench_cinebench_r20_multicore

27,149

6,368

cinebench_cinebench_r20_singlecore

3,832

898

cinebench_cinebench_r23_multicore

64,642

15,163

cinebench_cinebench_r23_singlecore

9,126

2,140

passmark_data_compression

N/A

564,535

passmark_data_encryption

N/A

12,505

passmark_extended_instructions

N/A

41,517

passmark_find_prime_numbers

N/A

114

passmark_floating_point_math

N/A

47,417

passmark_integer_math

N/A

126,922

passmark_multithread

N/A

17,839

passmark_physics

N/A

2,257

passmark_random_string_sorting

N/A

68,593

passmark_single_thread

N/A

485

passmark_singlethread

N/A

485

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

Phi 7290

Core Specs

Cores

48

72 +50.0%

Threads

96

288 +200.0%

Base Clock (GHz)

2.3

1,500 +65117.4%

Boost Clock (GHz)

3.6

1,700 +47122.2%

Frequency (GHz)

2.3

1,500 +65117.4%

Turbo Clock (GHz)

3.6

1,700 +47122.2%

Multiplier

23

15 -34.8%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

32 KB (per core)

L2 Cache

512 KB (per core)

512 KB (per core)

L3 Cache

256 MB (shared)

—

Power

TDP (W)

225

245 +8.9%

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Knights Landing

Codename

Milan

Knights Landing

Generation

EPYC (Zen 3 (Milan))

Xeon Phi (Knights Landing)

Process Size

7 nm

14 nm

Transistors

33,200 million

8,000 million

Die Size

8x 81 mm²

—

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR4

Memory Bus

Eight-channel

—

Memory Bandwidth

204.8 GB/s

—

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

Intel Socket 3647

PCIe

Gen 4, 128 Lanes(CPU only)

—

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

—

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

—

Launch Price

$4995

—

Part Number

100-000000326100-100000326WOF

SR2WY

Package

FCLGA-4094

FC-LGA3647

View EPYC 7643 Details View Xeon Phi 7290 Details