Home > CPU Comparison > Core Ultra 7 251HX or Ryzen AI Max PRO 490: what's better?

Intel Core Ultra 7 251HX vs AMD Ryzen AI Max PRO 490

75 out of 100
Intel Core Ultra 7 251HX
VS
78 out of 100
AMD Ryzen AI Max PRO 490
Intel Core Ultra 7 251HX
AMD Ryzen AI Max PRO 490

We compared two laptop CPUs: the 2.9 GHz Intel Core Ultra 7 251HX with 18-cores against the 3.2 GHz AMD Ryzen AI Max PRO 490 with 16-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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.
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Key Differences

What are the key differences between 490 and 251HX
Advantages of Intel Core Ultra 7 251HX
  • Unlocked multiplier
  • More modern manufacturing process – 3 versus 4 nanometers
  • Supports up to 256 GB DDR5-6400 RAM
  • Newer PCI Express version – 5.0
  • Has 2 more physical cores
Advantages of AMD Ryzen AI Max PRO 490
  • More powerful Radeon 8050S integrated graphics: 11.5 vs 1.8 TFLOPS
  • Newer - released 5 months later
  • Around 153.6 GB/s (150%) higher theoretical memory bandwidth
  • Has 34 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Supports quad-channel memory
  • 2% higher Turbo Boost frequency (5.2 GHz vs 5.1 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 251HX
vs
Ryzen AI Max PRO 490

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#47th place)
Submit your benchmark results

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)
Sources: GeekBench [1]

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 -
Floating point math 152.1 GOps/sec -
Find prime numbers 440M Primes/sec -
Random string sorting 61.6M Strings/sec -
Data encryption 39.2 GBytes/sec -
Data compression 512.7 MBytes/sec -
Physics 2500 Frames/sec -
Extended instructions 39.9B Matrices/sec -
Sources: PassMark [3] – 10 samples

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 32 PPW -
Geekbench 6 Multi / Watt 277.8 PPW 159.2 PPW
Passmark CPU Mark / Watt 849.6 PPW -
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core Ultra 7 251HX and AMD Ryzen AI Max PRO 490

General

Vendor Intel Amd
Released April 1, 2026 September 5, 2026
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake -
Model number 251HX 490
Integrated GPU Arc Graphics (4-Cores) Radeon 8050S
Intel CPU rating (#27th place)

CPU

Performance Cores
P-Cores 6 16
P-Threads 6 32
Base Frequency (P) 2.9 GHz 3.2 GHz
Turbo Boost Frequency (P) 5.1 GHz 5.2 GHz
Efficient Cores
E-Cores 12 -
E-Threads 12 -
Base Frequency (E) 2.5 GHz -
Turbo Boost Frequency (E) 4.5 GHz -
Total
Total Cores 18 16
Total Threads 18 32
Bus Frequency 100 MHz 100 MHz
Multiplier 29x 32x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 30MB (shared) 64MB (shared)
Unlocked Multiplier Yes No

Package

Fabrication Process 3 nm 4 nm
TDP (PL1) 45-55 W (configurable) 45-120 W (configurable)
Max. Boost TDP (PL2) 160 W -
Socket FCBGA-2114 FP11
Peak Temperature 105°C 100°C

iGPU

Integrated Graphics Arc Graphics (4-Cores) Radeon 8050S
GPU Base Clock 300 MHz 1295 MHz
GPU Boost Clock 1800 MHz 2800 MHz
Shading Units 512 2048
TMUs 32 128
ROPs 16 64
Execution Units 64 32
TGP 14 W 55 W
iGPU FLOPS
Core Ultra 7 251HX
1.8 TFLOPS
Ryzen AI Max PRO 490 +539%
11.5 TFLOPS
More info: Radeon 8050S compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - LPDDR5X-8533
Max. Memory Size 256 GB 192 GB
Memory Channels 2 4
Max. Memory Bandwidth 102.4 GB/s 256 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 7 251HX official page AMD Ryzen AI Max PRO 490 official page
PCI Express Version 5.0 4.0
PCI Express Lanes 24 16

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Competitors

1. Intel Core Ultra 7 251HX vs AMD Ryzen AI 7 350
2. Intel Core Ultra 7 251HX vs AMD Ryzen 7 250
3. Intel Core Ultra 7 251HX vs AMD Ryzen 7 260
4. Intel Core Ultra 7 251HX vs Intel Core Ultra 7 255H
5. Intel Core Ultra 7 251HX vs Intel Core Ultra 7 265H
6. AMD Ryzen AI Max PRO 490 vs AMD Ryzen AI Max+ PRO 495
7. AMD Ryzen AI Max PRO 490 vs Apple M5 Max (40-сore GPU)
8. AMD Ryzen AI Max PRO 490 vs Intel Core Ultra X9 388H
9. AMD Ryzen AI Max PRO 490 vs Apple M6 (12-Core)
10. AMD Ryzen AI Max PRO 490 vs Apple M4 Max (16-Core)
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Comments

So which CPU will you choose: AMD Ryzen AI Max PRO 490 or Intel Core Ultra 7 251HX?
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