Intel Core Ultra 5 135U vs AMD Ryzen Z2 — Specifications, performance, tests

Differences
Specifications Benchmarks Testimonials

Differences

Reasons to consider
Intel Core Ultra 5 135U

Report a bug

More number of cores

4 more cores

12 8
Lower stated TDP / base power

Power limits alone do not measure performance per watt.

15 W 28 W

Reasons to consider
AMD Ryzen Z2

Report a bug

Higher clock speed

Around 106% better clock speed

3.3 GHz 1.6 GHz
Higher turbo clock speed

Around 16 % higher specified turbo frequency

5.1 GHz 4.4 GHz

Specifications

Technical data

Intel Core Ultra 5 135U

AMD Ryzen Z2

CPU family and group

Background information about the processors being compared, series, generation and market segment.

Family

Intel Core Ultra Series 1 Ryzen
Segment

Mobile Mobile
Form Factor

- Handheld
Series

- Ryzen Z2

CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

CPU Cores

12 8
CPU Threads

14 16
E-core Base Clock

1.1 GHz -
Efficient Cores

8 -
Low Power Efficient-cores

2 -
Max. Boost Clock

4.4 GHz 5.1 GHz
P-core Base Clock

1.6 GHz -
Performance Cores

2 -
Base Frequency

- 3.3 GHz

IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

GPU name

Intel Graphics AMD Radeon Graphics
GPU Turbo

1900 MHz 2700 MHz
Graphics Cores

- 12

Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen Z2 and Intel Core Ultra 5 135U. Depending on the motherboards, higher or lower memory frequencies may be supported.

Max. Memory

96 GB -
Memory channels

2 -
Memory type

Up to LPDDR5/X 7467 MT/s -

Thermal Management

Compare the TDP requirements of TDP Intel Core Ultra 5 135U and AMD Ryzen Z2 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Maximum Turbo Power

57 W -
Minimum Assured Power

12 W -
TDP (PL1 / PBP, legacy combined label)

15 W -
Configurable TDP

- 15-30 W
Default TDP

- 28 W

Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core Ultra 5 135U and AMD Ryzen Z2, virtual machine technologies and process technology.

L3-Cache

12 MB 16 MB
Official specification sheet

https://cdrdv2-public.intel.com/851467/Intel-Core-Ultra-Series1-Series2-Series3-Comparison.pdf -
Release date

Q4/2023 Q1/2025
Socket

FCBGA2049 -
Availability window (manufacturer)

- Q1 2025
Date evidence scope

- Manufacturer-announced OEM/board availability window; exact first shipment is not established by this source.
L2-Cache

- 8 MB

Benchmarks

Performance tests CPUs

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

Cinebench R23 / multiple threads

Model	Result	Reported conditions
Intel Core Ultra 5 135U	9315 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Model	Result	Reported conditions
Intel Core Ultra 5 135U	1563 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / multiple threads

Model	Result	Reported conditions
Intel Core Ultra 5 135U	3641 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / single thread

Model	Result	Reported conditions
Intel Core Ultra 5 135U	605 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / multiple threads

Model	Result	Reported conditions
Intel Core Ultra 5 135U	1634 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / single thread

Model	Result	Reported conditions
Intel Core Ultra 5 135U	228 points	System: Dell Latitude 13 7350 via Dell CPU / power label: Ultra 5 135U 59 W / 18 W Graphics: Graphics 4-Core iGPU (Arrow Lake) 1900 MHz RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.