CPU Comparison

A

AMD

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

VS

A

AMD

AMD

Ryzen AI Max PRO 385

CORE STATE Strix Halo

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.6 Base / 5 GHz Turbo

CACHE 32 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

4,922

2,865

cinebench_cinebench_r15_singlecore

694

404

cinebench_cinebench_r20_multicore

20,510

11,938

cinebench_cinebench_r20_singlecore

2,895

1,685

cinebench_cinebench_r23_multicore

48,834

28,424

cinebench_cinebench_r23_singlecore

6,894

4,012

passmark_data_compression

753,225

399,839

passmark_data_encryption

38,386

19,947

passmark_extended_instructions

59,765

33,915

passmark_find_prime_numbers

296

169

passmark_floating_point_math

140,152

72,648

passmark_integer_math

218,727

108,717

passmark_multithread

57,640

33,441

passmark_physics

2,792

1,772

passmark_random_string_sorting

79,529

41,537

passmark_single_thread

4,459

4,052

passmark_singlethread

4,459

4,052

DETAILED SPECIFICATIONS

SPECIFICATION

9 9955HX

AI Max PRO 385

Core Specs

Cores

16

8 -50.0%

Threads

32

16 -50.0%

Base Clock (GHz)

2.5

3.6 +44.0%

Boost Clock (GHz)

5.4

5 -7.4%

Frequency (GHz)

2.5

3.6 +44.0%

Turbo Clock (GHz)

5.4

5 -7.4%

Multiplier

25

36 +44.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

64 MB (shared)

32 MB (shared)

Power

TDP (W)

55

55 0.0%

PPT

74-101 W

—

Configurable TDP

75 W

45-120 W

Architecture

Architecture

Zen 5

Zen 5

Codename

Fire Range

Strix Halo

Generation

Ryzen 9 (Zen 5 (Fire Range))

Ryzen AI Max (Zen 5 (Strix Halo))

Process Size

4 nm

4 nm

Transistors

16,630 million

—

Die Size

2x 70.6 mm²

—

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

LPDDR5X

Memory Bus

Dual-channel

Quad-channel

Memory Bandwidth

89.6 GB/s

256.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket FL1

AMD Socket FP11

PCIe

Gen 5, 28 Lanes(CPU only)

Gen 4, 16 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

—

AI/NPU

NPU

—

Yes / 50 TOPS

Graphics

Integrated Graphics

Radeon 610M

Radeon 8050S

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

100-000001028

100-000001422

Package

µFC-BGAFL1

FC-BGA

Tj Max

100°C

100°C

Bundled Cooler

None

—

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