Intel Core Ultra 7 255HX vs Intel Core Ultra 9 275HX Comparison
The Intel Core Ultra 7 255HX is a Intel laptop processor from the Intel Core Ultra lineup, built on the Arrow Lake architecture and released in 2025. This CPU features 20 cores, a base clock of 2400 MHz, maximum turbo frequency of 5200 MHz and 30 MB of L3 cache. The Intel Core Ultra 7 255HX is designed for the BGA2114 socket.It supports overclocking. It includes integrated Intel® Graphics graphics.
The Intel Core Ultra 9 275HX is a Intel laptop processor from the Intel Core Ultra lineup, built on the Arrow Lake architecture and released in 2025. This CPU features 24 cores, a base clock of 2700 MHz, maximum turbo frequency of 5400 MHz and 36 MB of L3 cache. The Intel Core Ultra 9 275HX is designed for the BGA2114 socket.It supports overclocking. It includes integrated Intel® Graphics graphics.
Peformance:
Intel Core Ultra 7 255HX is better than 92% cpus with score 406 and Intel Core Ultra 9 275HX is better than 94% cpus with score 461
Specs
| Intel Core Ultra 7 255HX | Intel Core Ultra 9 275HX | |
|---|---|---|
| Type | Laptop | Laptop |
| Cores | 20 | 24 |
| Threads | 20 | 24 |
| Speed | 2.4 GHz | 2.7 GHz |
| Turbo | 5.2 GHz | 5.4 GHz |
| Current Price | ||
| Release Price | ||
| Release Date | 2025 | 2025 |
| GPU | Intel® Graphics | Intel® Graphics |
| Socket | BGA2114 | BGA2114 |
| L3 | 30 MB | 36 MB |
| Base TDP | 45 - 55 W | 45 - 55 W |
| Max TDP | 160 W | 160 W |
| Nm | ||
| Unlocked | Yes | Yes |
| Official Site | intel.com | intel.com |
| Intel Core Ultra 7 255HX | Intel Core Ultra 9 275HX | |
| Performance Tier | Core Ultra 7 | Core Ultra 9 |
| Class | Intel Core Ultra | Intel Core Ultra |
| Code Name | Arrow Lake | Arrow Lake |
| Performance Cores | 8 | 8 |
| Efficiency Cores | 12 | 16 |
| Memory Type | DDR5 | DDR5 |
| Memory Channels | 2 | 2 |
| Max Memory | 256 MB | 256 MB |
| Bits | 64-bit | 64-bit |
| tjMax | ||
| PCI Generation | 5, 4 | 5, 4 |
| PCI Lanes | 24 | 24 |
| L1 Cache | ||
| L2 Cache | 36 MB | 40 MB |
| Product IDs | Tray AC80768067E4 | Tray AC80768067E2 |
