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

i

Intel

INTEL

Core Ultra 7 255HX

CORE STATE Arrow Lake-HX

CORE SPECS 20 Cores / 20 Threads

CLOCK SPEED 2.4 Base / 5.2 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 55W

ARCHITECTURE Arrow Lake

nm

PROCESS 3 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

4,922

4,350

cinebench_cinebench_r15_singlecore

694

614

cinebench_cinebench_r20_multicore

20,510

18,128

cinebench_cinebench_r20_singlecore

2,895

2,559

cinebench_cinebench_r23_multicore

48,834

43,162

cinebench_cinebench_r23_singlecore

6,894

6,093

passmark_data_compression

753,225

548,248

passmark_data_encryption

38,386

41,662

passmark_extended_instructions

59,765

44,240

passmark_find_prime_numbers

296

422

passmark_floating_point_math

140,152

168,930

passmark_integer_math

218,727

132,810

passmark_multithread

57,640

50,739

passmark_physics

2,792

3,062

passmark_random_string_sorting

79,529

66,420

passmark_single_thread

4,459

4,645

passmark_singlethread

4,459

4,645

DETAILED SPECIFICATIONS

SPECIFICATION

9 9955HX

Ultra 7 255HX

Core Specs

Cores

16

20 +25.0%

Threads

32

20 -37.5%

Base Clock (GHz)

2.5

2.4 -4.0%

Boost Clock (GHz)

5.4

5.2 -3.7%

Frequency (GHz)

2.5

2.4 -4.0%

Turbo Clock (GHz)

5.4

5.2 -3.7%

Multiplier

25

24 -4.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

192 KB (per core)

L2 Cache

1 MB (per core)

3 MB (per core)

L3 Cache

64 MB (shared)

30 MB (shared)

Power

TDP (W)

55

55 0.0%

PL1

—

55 W

PL2

—

160 W

PPT

74-101 W

—

Configurable TDP

75 W

—

Architecture

Architecture

Zen 5

Arrow Lake

Codename

Fire Range

Arrow Lake-HX

Generation

Ryzen 9 (Zen 5 (Fire Range))

Ultra 7 (Arrow Lake-HX)

Process Size

4 nm

3 nm

Transistors

16,630 million

17,800 million

Die Size

2x 70.6 mm²

243 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

89.6 GB/s

102.4 GB/s

ECC Memory

Yes

No

Platform

Socket

AMD Socket FL1

Intel BGA 2114

Chipsets

—

WM880, HM870

PCIe

Gen 5, 28 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 8 E-Cores: 12

E-Core Frequency

—

1800 MHz up to 4.5 GHz

AMD Multi-Die

IO Process Size

6 nm

—

AI/NPU

NPU

—

Yes / 13 TOPS

Graphics

Integrated Graphics

Radeon 610M

Arc Xe-LPG Graphics 64EU

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

100-000001028

SRVFG

Package

µFC-BGAFL1

FC-BGA

Tj Max

100°C

105°C

Bundled Cooler

None

—

View Ryzen 9 9955HX Details View Core Ultra 7 255HX Details