AMD Ryzen 7 9700X vs Intel Core Ultra 7 255HX — Specifications, performance, tests

Differences
Specifications Benchmarks Testimonials

Differences

Reasons to consider
AMD Ryzen 7 9700X

Report a bug

Higher clock speed

Around 58% better clock speed

3.8 GHz 2.4 GHz
Higher turbo clock speed

Around 6% higher specified turbo frequency

5.5 GHz 5.2 GHz

Reasons to consider
Intel Core Ultra 7 255HX

Report a bug

More number of cores

12 more cores

20 8
Lower stated TDP / base power

Power limits alone do not measure performance per watt.

55 W 65 W

Specifications

Technical data

AMD Ryzen 7 9700X

Intel Core Ultra 7 255HX

CPU family and group

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

Family

Ryzen Intel Core Ultra Series 2
Form Factor

Desktops / Boxed Processor -
Segment

Desktop Mobile
Series

Ryzen 9000 Series -

CPU Technical specs

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

Base Frequency

3.8 GHz -
CPU Cores

8 20
CPU Threads

16 20
Max. Boost Clock

5.5 GHz 5.2 GHz
Overclocking

Yes -
Turbo Frequency (1 Core)

5.5 GHz -
E-core Base Clock

- 1.8 GHz
Efficient Cores

- 12
Low Power Efficient-cores

- 0
P-core Base Clock

- 2.4 GHz
Performance Cores

- 8

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 Frequency

2200 MHz -
GPU name

AMD Radeon Graphics Intel Graphics
Graphics Cores

2 -
GPU Turbo

- 1850 MHz

Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core Ultra 7 255HX and AMD Ryzen 7 9700X. Depending on the motherboards, higher or lower memory frequencies may be supported.

Memory channels

2 2
Memory type

DDR5 Up to DDR5 6400 MT/s
PCIe

PCIe 5.0 -
Max. Memory

- 256 GB

Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 7 9700X and Intel Core Ultra 7 255HX Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Default TDP

65 W -
Maximum Operating Temperature

95 °C -
TDP (PL1 / PBP, legacy combined label)

65 W 55 W
Maximum Turbo Power

- 160 W
Minimum Assured Power

- 45 W

Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 9700X and Intel Core Ultra 7 255HX, virtual machine technologies and process technology.

Architecture

Zen 5 -
Codename

Granite Ridge AM5 -
I/O die process

TSMC 6nm FinFET -
L2-Cache

8 MB -
L3-Cache

32 MB 30 MB
Release date

2024-08-08 Q1/2025
Socket

AM5 FCBGA2114
Technology

TSMC 4nm FinFET -
Official specification sheet

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

Benchmarks

Performance tests CPUs

Shared tests with results for both models: 6

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	AMD Ryzen 7 9700X	Intel Core Ultra 7 255HX	Result difference¹
Blender 5.2.0 / CPU / Windows	310.271836 samples/min Submissions: 52	380.474848 samples/min Submissions: 18	+22.6 %
Blender 5.1.1 / CPU / Windows	319.923619 samples/min Submissions: 80	388.979486 samples/min Submissions: 9	+21.6 %
Blender 5.1.0 / CPU / Windows	311.067135 samples/min Submissions: 35	423.52739 samples/min Submissions: 6	+36.2 %
Blender 4.5.0 / CPU / Windows	304.57062 samples/min Submissions: 403	396.987215 samples/min Submissions: 37	+30.3 %
Blender 4.4.0 / CPU / Linux	335.639217 samples/min Submissions: 69	390.476071 samples/min Submissions: 5	+16.3 %
Blender 4.4.0 / CPU / Windows	282.660046 samples/min Submissions: 115	393.445339 samples/min Submissions: 12	+39.2 %

¹ Difference of the second result relative to the first in that row. No percentage is calculated for different upscaling algorithms. This compares published results, not a universal performance index.

Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

AMD Ryzen 7 9700X

Blender 4.1.0 / CPU / Windows 306.671773 samples/min
Blender 4.2.0 / CPU / Linux 403.741965 samples/min
Blender 4.2.0 / CPU / Windows 286.426028 samples/min
Blender 4.3.0 / CPU / Linux 338.906013 samples/min
Blender 4.3.0 / CPU / Windows 279.963397 samples/min
Blender 4.5.0 / CPU / Linux 334.163366 samples/min
Blender 5.1.0 / CPU / Linux 385.224955 samples/min
Blender 5.1.1 / CPU / Linux 371.865671 samples/min

More results: 1

Blender 5.2.0 / CPU / Linux 335.610479 samples/min

Intel Core Ultra 7 255HX

Results with primary test sources

Published measurements are separate from the archived index. Incomplete conditions and unknown run counts do not support ranking positions or calculated performance differences.

Model	Test	Result	Reported conditions
AMD Ryzen 7 9700X	Cinebench 2024 / multi-core	1203 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench 2024 / single-core	136 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R15 / multi-core	3178 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R15 / single-core	346 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R20 / multi-core	7956 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R20 / single-core	870 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R23 / multi-core	20485 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	Cinebench R23 / single-core	2211 points	Graphics card: GeForce RTX 4090 System RAM: 32 GB
AMD Ryzen 7 9700X	RandomX / XMRig 6.22.2 / 10M / 16 threads	14490.17 H/s	System RAM: 64 GB OS: Windows NT 10.0 Motherboard: ASRock / B850I Lightning WiFi Duration: 690.123 s

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.

RandomX / XMRig 6.26.0 / 1M / 16 threads / windows

Model	Result	Reported conditions
AMD Ryzen 7 9700X	12730.096494 H/s	RandomX / XMRig 6.26.0 / 1M / 16 threads / windows System RAM: 32 GB OS: Windows NT 10.0 Motherboard: ASUSTeK COMPUTER INC. / ROG STRIX X870E-E GAMING WIFI Duration: 78.554 s User-submitted run; tuning and power settings are incomplete.

RandomX / XMRig 6.25.0 / 10M / 20 threads / windows

Model	Result	Reported conditions
Intel Core Ultra 7 255HX	10096.940728 H/s	RandomX / XMRig 6.25.0 / 10M / 20 threads / windows System RAM: 32 GB OS: Windows NT 10.0 Motherboard: LENOVO / LNVNB161216 Duration: 990.399 s User-submitted run; tuning and power settings are incomplete.