Intel Core Ultra 7 251HX vs AMD Ryzen 7 8745HS
75
out of 100
VS
61
out of 100
We compared two laptop CPUs: the 2.9 GHz Intel Core Ultra 7 251HX with 18-cores against the 3.8 GHz AMD Ryzen 7 8745HS 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 8 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
- 16% faster in a single-core Geekbench v6 test - 2940 vs 2538 points
- 4% higher Turbo Boost frequency (5.1 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 7 8745HS
- More powerful Radeon 780M integrated graphics: 4 vs 1.8 TFLOPS
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | - | 536 |
| Cinebench 2026 (Multi) | - | 3317 |
Cinebench Scores (46th and 192nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | - | 1010 MB/sec |
| Clang compilation | - | 78.4 Klines/sec |
| HTML 5 Browser | - | 240.8 pages/sec |
| PDF Renderer | - | 329.9 Mpixels/sec |
| Text processing | - | 241.6 pages/sec |
| Background blur | - | 51.4 images/sec |
| Photo processing | - | 100.8 images/sec |
| Ray tracing | - | 18.6 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 122 GOps/sec | 97.3 GOps/sec |
| Floating point math | 152.1 GOps/sec | 59.1 GOps/sec |
| Find prime numbers | 440M Primes/sec | 88M Primes/sec |
| Random string sorting | 61.6M Strings/sec | 42.1M Strings/sec |
| Data encryption | 39.2 GBytes/sec | 20.5 GBytes/sec |
| Data compression | 512.7 MBytes/sec | 343.8 MBytes/sec |
| Physics | 2500 Frames/sec | 1381 Frames/sec |
| Extended instructions | 39.9B Matrices/sec | 25.6B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 32 PPW | 15.8 PPW |
| Geekbench 6 Multi / Watt | 277.8 PPW | 204.2 PPW |
| Passmark CPU Mark / Watt | 849.6 PPW | 529.2 PPW |
| Blender / Watt | - | 4.79 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 7 8745HS
| Date | Benchmark | Result |
|---|---|---|
| π 2026-08-17 -> Rennsport | GeekBench | 2647 / 11684 |
| π 2026-08-17 -> Rennsport | Cinebench 2026 | 536 / 3317 |
| π 2026-05-16 (Jokodok) | GeekBench | 1324 / 6061 |
| π 2026-05-12 (Jokodok) | GeekBench | 2507 / 9693 |
| π 2025-07-18 -> Rennsport | Cinebench 2024 | 102 / 854 |
Specifications
Full technical specification of Intel Core Ultra 7 251HX and AMD Ryzen 7 8745HSGeneral
| Vendor | Intel | Amd |
| Released | April 1, 2026 | July 25, 2024 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Zen 4 (Hawk Point) |
| Model number | 251HX | - |
| Integrated GPU | Arc Graphics (4-Cores) | Radeon 780M |
Intel CPU rating (#27th place)
AMD Ryzen CPU ranking (#56th place)
CPU
| P-Cores | 6 | 8 |
| P-Threads | 6 | 16 |
| Base Frequency (P) | 2.9 GHz | 3.8 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 4.9 GHz |
| E-Cores | 12 | - |
| E-Threads | 12 | - |
| Base Frequency (E) | 2.5 GHz | - |
| Turbo Boost Frequency (E) | 4.5 GHz | - |
| Total Cores | 18 | 8 |
| Total Threads | 18 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 29x | 38x |
| L1 Cache | 192K (per core) | 64K (per core) |
| L2 Cache | 2MB (per core) | 1MB (per core) |
| L3 Cache | 30MB (shared) | 16MB (shared) |
| Unlocked Multiplier | Yes | No |
Package
| Transistors | - | 25 billions |
| Fabrication Process | 3 nm | 4 nm |
| TDP (PL1) | 45-55 W (configurable) | 35-54 W (configurable) |
| Max. Boost TDP (PL2) | 160 W | - |
| Socket | FCBGA-2114 | FP8 |
| Peak Temperature | 105Β°C | 100Β°C |
Laptop processors ranking (30th and 87th place)
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Radeon 780M |
| GPU Base Clock | 300 MHz | 800 MHz |
| GPU Boost Clock | 1800 MHz | 2600 MHz |
| Shading Units | 512 | 768 |
| TMUs | 32 | 48 |
| ROPs | 16 | 32 |
| Execution Units | 64 | 12 |
| TGP | 14 W | 15 W |
iGPU FLOPS
More info: Radeon 780M compared to Arc iGPU (4-Cores)
Memory Support
| Memory Types | - DDR5-6400 | - DDR5-5600 - LPDDR5x-7500 |
| Max. Memory Size | 256 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 102.4 GB/s | - |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 7 251HX official page | - |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 24 | 20 |
Cast your vote
Total votes: 1