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

Core Ultra 5 226V

CORE STATE Lunar Lake

CORE SPECS 8 Cores / 8 Threads

CLOCK SPEED 2.1 Base / 4.5 GHz Turbo

CACHE 8 MB (shared)

MAX TDP 17W

ARCHITECTURE Lunar Lake

nm

PROCESS 3 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

1,591

cinebench_cinebench_r15_singlecore

919

224

cinebench_cinebench_r20_multicore

27,149

6,630

cinebench_cinebench_r20_singlecore

3,832

935

cinebench_cinebench_r23_multicore

64,642

15,787

cinebench_cinebench_r23_singlecore

9,126

2,228

passmark_data_compression

N/A

178,892

passmark_data_encryption

N/A

13,189

passmark_extended_instructions

N/A

15,460

passmark_find_prime_numbers

N/A

170

passmark_floating_point_math

N/A

53,826

passmark_integer_math

N/A

39,680

passmark_multithread

N/A

18,589

passmark_physics

N/A

1,507

passmark_random_string_sorting

N/A

21,755

passmark_single_thread

N/A

3,895

passmark_singlethread

N/A

3,895

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

Ultra 5 226V

Core Specs

Cores

48

8 -83.3%

Threads

96

8 -91.7%

Base Clock (GHz)

2.3

2.1 -8.7%

Boost Clock (GHz)

3.6

4.5 +25.0%

Frequency (GHz)

2.3

2.1 -8.7%

Turbo Clock (GHz)

3.6

4.5 +25.0%

Multiplier

23

21 -8.7%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

192 KB (per core)

L2 Cache

512 KB (per core)

2.5 MB (per core)

L3 Cache

256 MB (shared)

8 MB (shared)

Power

TDP (W)

225

17 -92.4%

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Lunar Lake

Codename

Milan

Lunar Lake

Generation

EPYC (Zen 3 (Milan))

Ultra 5 (Lunar Lake)

Process Size

7 nm

3 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

—

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

unknown Depends on motherboard

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

—

ECC Memory

Yes

No

Platform

Socket

AMD Socket SP3

Intel BGA 2833

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 4 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 4 E-Cores: 4

E-Core Frequency

—

2.1 GHz up to 3.5 GHz

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

—

AI/NPU

NPU

—

Yes / 40 TOPS

Graphics

Integrated Graphics

—

Arc 130V

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4995

—

Part Number

100-000000326100-100000326WOF

SRPMQSRPMR

Package

FCLGA-4094

FC-BGA

Tj Max

—

100°C

View EPYC 7643 Details View Core Ultra 5 226V Details