CPU Comparison

A

AMD

AMD

AMD Ryzen 5 8645HS

CORE STATE Hawk Point

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4.3 Base / 5 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 45W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE 2023

VS

A

AMD

AMD

Ryzen 9 3900XT

CORE STATE Matisse 2

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.9 Base / 4.7 GHz Turbo

CACHE 64 MB

MAX TDP 105W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,933

2,790

cinebench_cinebench_r15_singlecore

272

393

cinebench_cinebench_r20_multicore

8,056

11,628

cinebench_cinebench_r20_singlecore

1,137

1,641

cinebench_cinebench_r23_multicore

19,183

27,688

cinebench_cinebench_r23_singlecore

2,708

3,909

passmark_data_compression

265,483

452,328

passmark_data_encryption

15,588

28,634

passmark_extended_instructions

20,003

28,586

passmark_find_prime_numbers

75

214

passmark_floating_point_math

44,833

58,513

passmark_integer_math

72,640

99,722

passmark_multithread

22,586

32,575

passmark_physics

1,095

1,776

passmark_random_string_sorting

31,748

48,327

passmark_single_thread

3,653

2,742

passmark_singlethread

3,653

2,742

3dmark_16_threads

N/A

7,537

3dmark_2_threads

N/A

1,452

3dmark_4_threads

N/A

2,796

3dmark_8_threads

N/A

5,200

3dmark_max_threads

N/A

8,515

3dmark_single_thread

N/A

735

geekbench_multicore

N/A

9,950

geekbench_singlecore

N/A

1,739

DETAILED SPECIFICATIONS

SPECIFICATION

5 8645HS

9 3900XT

Core Specs

Cores

6

12 +100.0%

Threads

12

24 +100.0%

Base Clock (GHz)

4.3

3.9 -9.3%

Boost Clock (GHz)

5

4.7 -6.0%

Frequency (GHz)

4.3

3.9 -9.3%

Turbo Clock (GHz)

5

4.7 -6.0%

Multiplier

43

39 -9.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

1 MB (per core)

512 KB (per core)

L3 Cache

16 MB (shared)

64 MB

Power

TDP (W)

45

105 +133.3%

PPT

—

142 W

Configurable TDP

35-54 W

—

Architecture

Architecture

Zen 4

Zen 2

Codename

Hawk Point

Matisse 2

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Ryzen 9 (Zen 2 (Matisse))

Process Size

4 nm

7 nm

Transistors

25,000 million

7,600 million

Die Size

178 mm²

2x 74 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR4

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

89.6 GB/s

51.2 GB/s

ECC Memory

No

No

Platform

Socket

AMD Socket FP8

AMD Socket AM4

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 24 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

12 nm

AI/NPU

NPU

Yes / 16 TOPS

—

Graphics

Integrated Graphics

Radeon 760M

—

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$499

Part Number

100-000001320(FP7r2)100-000001385(FP7)100-000001310(FP8)

100-100000277WOF

Package

FP8, FP7, FP7r2

µOPGA-1331

Tj Max

100°C

—

View Ryzen 5 8645HS Details View Ryzen 9 3900XT Details