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
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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
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 β 3 versus 4 nanometers
- Newer PCI Express version β 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 tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | - | 642 |
| Cinebench 2026 (Multi) | - | 3390 |
Cinebench Scores (46th and 185th place)
GeekBench v6
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 |
PassMark
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 |
Blender
Blender CPU
Performance Per Watt
| 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
Intel Core Ultra 7 251HX
No benchmark results yet
AMD Ryzen AI 7 350
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-26 -> Razer144 | GeekBench | 2842 / 13585 |
| π 2026-07-26 -> Razer144 | Cinebench 2024 | 115 / 833 |
| π 2026-07-26 -> Razer144 | Cinebench 2026 | 642 / 3390 |
| π 2026-07-12 (satvik) | Cinebench 2026 | 617 / 3204 |
| π 2026-07-04 -> Starjack36 | GeekBench | 2839 / 11569 |
Specifications
Full technical specification of Intel Core Ultra 7 251HX and AMD Ryzen AI 7 350General
| 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
| 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 |
| 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 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
More info: Radeon 860M compared to Arc iGPU (4-Cores)
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 |
Cast your vote
Total votes: 1