Intel Core Ultra 9 275HX vs AMD Ryzen 9 7945HX3D
78
out of 100
VS
74
out of 100
We compared two laptop CPUs: the 2.7 GHz Intel Core Ultra 9 275HX with 24-cores against the 2.3 GHz AMD Ryzen 9 7945HX3D with 16-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 9 275HX
- Supports up to 256 GB DDR5-6400 RAM
- More powerful Arc Graphics (4-Cores) integrated graphics: 1.9 vs 0.6 TFLOPS
- Newer - released 1 year and 5 months later
- More modern manufacturing process β 3 versus 5 nanometers
- Has 8 more physical cores
- More than 16Β° C higher critical temperature
Advantages of AMD Ryzen 9 7945HX3D
- Has 92 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 500 | - |
| Cinebench 2026 (Multi) | 7832 | - |
Cinebench Scores (#8th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1480 MB/sec | 1520 MB/sec |
| Clang compilation | 216.2 Klines/sec | 178.3 Klines/sec |
| HTML 5 Browser | 435.5 pages/sec | 299.6 pages/sec |
| PDF Renderer | 545.5 Mpixels/sec | 456.8 Mpixels/sec |
| Text processing | 344.8 pages/sec | 288.5 pages/sec |
| Background blur | 78.6 images/sec | 60.1 images/sec |
| Photo processing | 156.4 images/sec | 104.6 images/sec |
| Ray tracing | 46.2 Mpixels/sec | 36.9 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 155.2 GOps/sec | 202.2 GOps/sec |
| Floating point math | 191.1 GOps/sec | 121.8 GOps/sec |
| Find prime numbers | 448M Primes/sec | 443M Primes/sec |
| Random string sorting | 74.3M Strings/sec | 84.6M Strings/sec |
| Data encryption | 47.1 GBytes/sec | 42.6 GBytes/sec |
| Data compression | 608.4 MBytes/sec | 704.8 MBytes/sec |
| Physics | 3335 Frames/sec | 4366 Frames/sec |
| Extended instructions | 47B Matrices/sec | 52.4B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 35.3 PPW | 23.6 PPW |
| Geekbench 6 Multi / Watt | 371.8 PPW | 225.7 PPW |
| Passmark CPU Mark / Watt | 1013.7 PPW | 769.7 PPW |
| Blender / Watt | 6.54 PPW | 6.15 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 9 275HX
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-04 (dante) | Cinebench 2024 | 133 / 2062 |
| π 2026-05-04 (Sujan) | Cinebench 2024 | 139 / 2318 |
| π 2026-05-03 (ToadyBoi) | Cinebench 2024 | 139 / 2290 |
| π 2026-04-10 (itsved4nt) | Cinebench 2026 | 500 / 7832 |
| π 2026-04-06 (Amateur using a gaming laptop) | Cinebench 2024 | 122 / 1642 |
AMD Ryzen 9 7945HX3D
No benchmark results yet
Specifications
Full technical specification of Intel Core Ultra 9 275HX and AMD Ryzen 9 7945HX3DGeneral
| Vendor | Intel | Amd |
| Released | January 6, 2025 | August 22, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Zen 4 (Dragon Range) |
| Model number | 275HX | 7945HX3D |
| Integrated GPU | Arc Graphics (4-Cores) | Radeon 610M |
| Rival Equivalent | - AMD Ryzen 9 9850HX | - Intel Core i9 13950HX |
| Successor | - | - AMD Ryzen 9 9955HX3D |
Intel CPU rating (#18th place)
AMD Ryzen CPU ranking (#23rd place)
CPU
| P-Cores | 8 | 16 |
| P-Threads | 8 | 32 |
| Base Frequency (P) | 2.7 GHz | 2.3 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 5.4 GHz |
| E-Cores | 16 | - |
| E-Threads | 16 | - |
| Base Frequency (E) | 2.1 GHz | - |
| Turbo Boost Frequency (E) | 4.6 GHz | - |
| Total Cores | 24 | 16 |
| Total Threads | 24 | 32 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 27x | 23x |
| L1 Cache | 192K (per core) | 64K (per core) |
| L2 Cache | 3MB (per core) | 1MB (per core) |
| L3 Cache | 36MB (shared) | 128MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 17.8 billions |
| Fabrication Process | 3 nm | 5 nm |
| TDP (PL1) | 45-55 W (configurable) | 55-75 W (configurable) |
| Max. Boost TDP (PL2) | 160 W | - |
| Socket | FCBGA-2114 | FL1 |
| Peak Temperature | 105Β°C | 89Β°C |
Laptop processors ranking (27th and 37th place)
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Radeon 610M |
| GPU Base Clock | 300 MHz | 400 MHz |
| GPU Boost Clock | 1900 MHz | 2200 MHz |
| Shading Units | 512 | 128 |
| TMUs | 32 | 8 |
| ROPs | 16 | 4 |
| Execution Units | 64 | 2 |
| TGP | 14 W | 15 W |
iGPU FLOPS
More info: Radeon 610M compared to Arc iGPU (4-Cores)
Memory Support
| Memory Types | - DDR5-6400 | - DDR5-5200 |
| Max. Memory Size | 256 GB | 64 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 102.4 GB/s | - |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 9 275HX official page | AMD Ryzen 9 7945HX3D official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 24 | 28 |
Cast your vote
Total votes: 17