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

A

AMD

AMD

Ryzen 5 7645HX

CORE STATE Dragon Range

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4 Base / 5 GHz Turbo

CACHE 32 MB (shared)

MAX TDP 45W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

2,268

cinebench_cinebench_r15_singlecore

919

320

cinebench_cinebench_r20_multicore

27,149

9,451

cinebench_cinebench_r20_singlecore

3,832

1,334

cinebench_cinebench_r23_multicore

64,642

22,504

cinebench_cinebench_r23_singlecore

9,126

3,177

geekbench_multicore

N/A

11,586

geekbench_singlecore

N/A

2,657

passmark_data_compression

N/A

302,256

passmark_data_encryption

N/A

17,900

passmark_extended_instructions

N/A

22,969

passmark_find_prime_numbers

N/A

178

passmark_floating_point_math

N/A

48,798

passmark_integer_math

N/A

77,432

passmark_multithread

N/A

26,476

passmark_physics

N/A

1,497

passmark_random_string_sorting

N/A

34,434

passmark_single_thread

N/A

3,907

passmark_singlethread

N/A

3,907

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

5 7645HX

Core Specs

Cores

48

6 -87.5%

Threads

96

12 -87.5%

Base Clock (GHz)

2.3

4 +73.9%

Boost Clock (GHz)

3.6

5 +38.9%

Frequency (GHz)

2.3

4 +73.9%

Turbo Clock (GHz)

3.6

5 +38.9%

Multiplier

23

40 +73.9%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

32 MB (shared)

Power

TDP (W)

225

45 -80.0%

Configurable TDP

240 W

75 W

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Dragon Range

Generation

EPYC (Zen 3 (Milan))

Ryzen 5 (Zen 4 (Dragon Range))

Process Size

7 nm

5 nm

Transistors

33,200 million

6,570 million

Die Size

8x 81 mm²

71 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

83.2 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket FL1

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

6 nm

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4995

—

Part Number

100-000000326100-100000326WOF

100-000000872

Package

FCLGA-4094

µFC-BGAFL1

Tj Max

—

100°C

View EPYC 7643 Details View Ryzen 5 7645HX Details