CPU Comparison

A

AMD

AMD

AMD Ryzen 5 8400F

CORE STATE Phoenix

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4.2 Base / 4.7 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 65W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE 2024

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

3dmark_16_threads

6,091

7,537

3dmark_2_threads

1,874

1,452

3dmark_4_threads

3,563

2,796

3dmark_8_threads

5,275

5,200

3dmark_max_threads

6,165

8,515

3dmark_single_thread

951

735

cinebench_cinebench_r15_multicore

2,101

2,790

cinebench_cinebench_r15_singlecore

296

393

cinebench_cinebench_r20_multicore

8,757

11,628

cinebench_cinebench_r20_singlecore

1,236

1,641

cinebench_cinebench_r23_multicore

20,851

27,688

cinebench_cinebench_r23_singlecore

2,943

3,909

passmark_data_compression

288,994

452,328

passmark_data_encryption

16,684

28,634

passmark_extended_instructions

22,274

28,586

passmark_find_prime_numbers

92

214

passmark_floating_point_math

46,096

58,513

passmark_integer_math

74,304

99,722

passmark_multithread

24,530

32,575

passmark_physics

1,391

1,776

passmark_random_string_sorting

34,645

48,327

passmark_single_thread

3,684

2,742

passmark_singlethread

3,684

2,742

geekbench_multicore

N/A

9,950

geekbench_singlecore

N/A

1,739

DETAILED SPECIFICATIONS

SPECIFICATION

5 8400F

9 3900XT

Core Specs

Cores

6

12 +100.0%

Threads

12

24 +100.0%

Base Clock (GHz)

4.2

3.9 -7.1%

Boost Clock (GHz)

4.7

4.7 0.0%

Frequency (GHz)

4.2

3.9 -7.1%

Turbo Clock (GHz)

4.7

4.7 0.0%

Multiplier

42

39 -7.1%

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)

65

105 +61.5%

PPT

61-88 W

142 W

Configurable TDP

45 W

—

Architecture

Architecture

Zen 4

Zen 2

Codename

Phoenix

Matisse 2

Generation

Ryzen 5 (Zen 4 (Phoenix))

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

83.2 GB/s

51.2 GB/s

ECC Memory

No

No

Platform

Socket

AMD Socket AM5

AMD Socket AM4

Chipsets

X670E, X670, B650E, B650, A620

—

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 24 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

12 nm

Other

Market

Desktop

Desktop

Production Status

Active

Active

Launch Price

$170

$499

Part Number

100-000001591

100-100000277WOF

Package

FC-LGA1718

µOPGA-1331

Tj Max

95°C

—

View Ryzen 5 8400F Details View Ryzen 9 3900XT Details