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 9955HX

CORE STATE Fire Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.5 Base / 5.4 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

3dmark_16_threads

6,091

N/A

3dmark_2_threads

1,874

N/A

3dmark_4_threads

3,563

N/A

3dmark_8_threads

5,275

N/A

3dmark_max_threads

6,165

N/A

3dmark_single_thread

951

N/A

cinebench_cinebench_r15_multicore

2,101

4,922

cinebench_cinebench_r15_singlecore

296

694

cinebench_cinebench_r20_multicore

8,757

20,510

cinebench_cinebench_r20_singlecore

1,236

2,895

cinebench_cinebench_r23_multicore

20,851

48,834

cinebench_cinebench_r23_singlecore

2,943

6,894

passmark_data_compression

288,994

753,225

passmark_data_encryption

16,684

38,386

passmark_extended_instructions

22,274

59,765

passmark_find_prime_numbers

92

296

passmark_floating_point_math

46,096

140,152

passmark_integer_math

74,304

218,727

passmark_multithread

24,530

57,640

passmark_physics

1,391

2,792

passmark_random_string_sorting

34,645

79,529

passmark_single_thread

3,684

4,459

passmark_singlethread

3,684

4,459

DETAILED SPECIFICATIONS

SPECIFICATION

5 8400F

9 9955HX

Core Specs

Cores

6

16 +166.7%

Threads

12

32 +166.7%

Base Clock (GHz)

4.2

2.5 -40.5%

Boost Clock (GHz)

4.7

5.4 +14.9%

Frequency (GHz)

4.2

2.5 -40.5%

Turbo Clock (GHz)

4.7

5.4 +14.9%

Multiplier

42

25 -40.5%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

16 MB (shared)

64 MB (shared)

Power

TDP (W)

65

55 -15.4%

PPT

61-88 W

74-101 W

Configurable TDP

45 W

75 W

Architecture

Architecture

Zen 4

Zen 5

Codename

Phoenix

Fire Range

Generation

Ryzen 5 (Zen 4 (Phoenix))

Ryzen 9 (Zen 5 (Fire Range))

Process Size

4 nm

4 nm

Transistors

25,000 million

16,630 million

Die Size

178 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

83.2 GB/s

89.6 GB/s

ECC Memory

No

Yes

Platform

Socket

AMD Socket AM5

AMD Socket FL1

Chipsets

X670E, X670, B650E, B650, A620

—

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

6 nm

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Desktop

Mobile

Production Status

Active

Active

Launch Price

$170

—

Part Number

100-000001591

100-000001028

Package

FC-LGA1718

µFC-BGAFL1

Tj Max

95°C

100°C

Bundled Cooler

—

None

View Ryzen 5 8400F Details View Ryzen 9 9955HX Details