Intel Core Ultra 7 251HX vs AMD Ryzen AI 7 350

We compared two laptop CPUs: the 2.9 GHz Intel Core Ultra 7 251HX with 18-cores against the 2.0 GHz AMD Ryzen AI 7 350 with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 350 and 251HX
Advantages of Intel Core Ultra 7 251HX
  • Newer - released 1 year and 3 months later
  • Has 10 more physical cores
  • Unlocked multiplier
  • Has 14 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process – 3 versus 4 nanometers
  • Newer PCI Express version – 5.0
  • Around 12.8 GB/s (14%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (5.1 GHz vs 5 GHz)
Advantages of AMD Ryzen AI 7 350
  • More powerful Radeon 860M integrated graphics: 3.1 vs 1.8 TFLOPS

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 642
Cinebench 2026 (Multi) - 3390
Cinebench Scores (46th and 185th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression - 1090 MB/sec
Clang compilation - 97.6 Klines/sec
HTML 5 Browser - 283.6 pages/sec
PDF Renderer - 413.8 Mpixels/sec
Text processing - 311.4 pages/sec
Background blur - 69.8 images/sec
Photo processing - 92.8 images/sec
Ray tracing - 22.1 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 122 GOps/sec 85.6 GOps/sec
Floating point math 152.1 GOps/sec 53.2 GOps/sec
Find prime numbers 440M Primes/sec 80M Primes/sec
Random string sorting 61.6M Strings/sec 33.2M Strings/sec
Data encryption 39.2 GBytes/sec 15.2 GBytes/sec
Data compression 512.7 MBytes/sec 303.9 MBytes/sec
Physics 2500 Frames/sec 1347 Frames/sec
Extended instructions 39.9B Matrices/sec 21.7B Matrices/sec
Sources: PassMark [3], [4] – 10 & 1866 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 32 PPW 16.2 PPW
Geekbench 6 Multi / Watt 277.8 PPW 248.3 PPW
Passmark CPU Mark / Watt 849.6 PPW 461.5 PPW
Blender / Watt - 3.78 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core Ultra 7 251HX
No benchmark results yet
AMD Ryzen AI 7 350
DateBenchmarkResult
πŸ“˜ 2026-07-26 -> Razer144GeekBench2842 / 13585
πŸ“˜ 2026-07-26 -> Razer144Cinebench 2024115 / 833
πŸ“˜ 2026-07-26 -> Razer144Cinebench 2026642 / 3390
πŸ“˜ 2026-07-12 (satvik)Cinebench 2026617 / 3204
πŸ“˜ 2026-07-04 -> Starjack36GeekBench2839 / 11569

Specifications

Full technical specification of Intel Core Ultra 7 251HX and AMD Ryzen AI 7 350

General

Vendor Intel Amd
Released April 1, 2026 January 7, 2025
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 5 (Krackan Point)
Model number 251HX 350
Integrated GPU Arc Graphics (4-Cores) Radeon 860M
Rival Equivalent - - Intel Core Ultra 7 255H
Successor - - AMD Ryzen AI 7 450
Intel CPU rating (#27th place)
AMD Ryzen CPU ranking (#49th place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 6 8
Base Frequency (P) 2.9 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.1 GHz 5 GHz
Efficient Cores
E-Cores 12 4
E-Threads 12 8
Base Frequency (E) 2.5 GHz 2.0 GHz
Turbo Boost Frequency (E) 4.5 GHz 3.5 GHz
Total
Total Cores 18 8
Total Threads 18 16
Bus Frequency 100 MHz 100 MHz
Multiplier 29x 20x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 30MB (shared) 16MB (shared)
Unlocked Multiplier Yes No

Package

Fabrication Process 3 nm 4 nm
TDP (PL1) 45-55 W (configurable) 15-54 W (configurable)
Max. Boost TDP (PL2) 160 W -
Socket FCBGA-2114 FP8
Peak Temperature 105Β°C 100Β°C
Laptop processors ranking (30th and 79th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Radeon 860M
GPU Base Clock 300 MHz 600 MHz
GPU Boost Clock 1800 MHz 3000 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 8
TGP 14 W 15 W
iGPU FLOPS
1.8 TFLOPS
3.1 TFLOPS

Memory Support

Memory Types - DDR5-6400 - DDR5-5600
- LPDDR5X-8000
Max. Memory Size 256 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 89.6 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra 7 251HX official page AMD Ryzen AI 7 350 official page
PCI Express Version 5.0 4.0
PCI Express Lanes 24 16

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Comments

So which CPU will you choose: AMD Ryzen AI 7 350 or Intel Core Ultra 7 251HX?
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