Intel Core Ultra 7 255HX vs i7 14650HX
75
out of 100
VS
60
out of 100
We compared two laptop CPUs: the 2.4 GHz Intel Core Ultra 7 255HX with 20-cores against the 2.2 GHz i7 14650HX 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 7 255HX
- More modern manufacturing process β 3 versus 10 nanometers
- More powerful Arc Graphics (4-Cores) integrated graphics: 1.9 vs 0.8 TFLOPS
- Newer - released 1 year later
- Has 4 more physical cores
- Supports up to 256 GB DDR5-6400 RAM
- Around 12.8 GB/s (14%) higher theoretical memory bandwidth
- 10% faster in a single-core Geekbench v6 test - 2888 vs 2622 points
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | - | 614 |
| Cinebench 2026 (Multi) | - | 3655 |
Cinebench Scores (48th and 150th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1140 MB/sec | 1340 MB/sec |
| Clang compilation | 149.8 Klines/sec | 126.3 Klines/sec |
| HTML 5 Browser | 312.2 pages/sec | 397 pages/sec |
| PDF Renderer | 423.9 Mpixels/sec | 450.8 Mpixels/sec |
| Text processing | 335.6 pages/sec | 263.1 pages/sec |
| Background blur | 64.1 images/sec | 53.3 images/sec |
| Photo processing | 111.8 images/sec | 131.9 images/sec |
| Ray tracing | 31.1 Mpixels/sec | 27.3 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 127 GOps/sec | 116.5 GOps/sec |
| Floating point math | 160.3 GOps/sec | 84.9 GOps/sec |
| Find prime numbers | 400M Primes/sec | 151M Primes/sec |
| Random string sorting | 62.4M Strings/sec | 43M Strings/sec |
| Data encryption | 39.4 GBytes/sec | 22.9 GBytes/sec |
| Data compression | 513.6 MBytes/sec | 398.2 MBytes/sec |
| Physics | 2916 Frames/sec | 2198 Frames/sec |
| Extended instructions | 41.1B Matrices/sec | 24.1B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 32 PPW | 18.4 PPW |
| Geekbench 6 Multi / Watt | 328 PPW | 277.8 PPW |
| Passmark CPU Mark / Watt | 874.8 PPW | 608.6 PPW |
| Blender / Watt | 7.11 PPW | 4.99 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 255HX
| Date | Benchmark | Result |
|---|---|---|
| π 2026-06-05 (Levi) | Geekbench 6 CPU | 2907 / 17742 |
| π 2025-12-25 (Junebug) | Cinebench 2024 | 131 / 1759 |
| π 2025-12-17 (balihardik009) | Cinebench 2024 | 131 / 1820 |
| π 2025-11-26 (Verbickisd) | Cinebench 2024 | 125 / 1666 |
| π 2025-11-24 (Abhi) | Geekbench 6 CPU | 2823 / 17264 |
Intel Core i7 14650HX
| Date | Benchmark | Result |
|---|---|---|
| π 2026-08-26 (Parsa) | Cinebench 2026 | 608 / 4949 |
| π 2026-08-03 -> Alterac | Geekbench 6 CPU | 2666 / 15191 |
| π 2026-06-16 (Nouse) | Cinebench 2026 | 614 / 3655 |
| π 2025-11-09 (RAM) | Cinebench 2024 | 74 / 1030 |
| π 2025-07-19 (Jonsson) | Cinebench 2024 | 115 / 1213 |
Specifications
Full technical specification of Intel Core Ultra 7 255HX and i7 14650HXGeneral
| Vendor | Intel | Intel |
| Released | January 6, 2025 | January 9, 2024 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Raptor Lake Refresh |
| Model number | 255HX | i7-14650HX |
| Integrated GPU | Arc Graphics (4-Cores) | UHD Graphics (16EU) |
| Rival Equivalent | - AMD Ryzen AI Max Pro 380 | - |
| Successor | - | - Intel Core Ultra 7 255HX |
Intel CPU rating (29th and 82nd place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 8 | 16 |
| Base Frequency (P) | 2.4 GHz | 2.2 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 5.2 GHz |
| E-Cores | 12 | 8 |
| E-Threads | 12 | 8 |
| Base Frequency (E) | 1.8 GHz | 1.6 GHz |
| Turbo Boost Frequency (E) | 4.5 GHz | 3.7 GHz |
| Total Cores | 20 | 16 |
| Total Threads | 20 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 24x | 22x |
| L1 Cache | 192K (per core) | 80K (per core) |
| L2 Cache | 2MB (per core) | 2MB (per core) |
| L3 Cache | 30MB (shared) | 30MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication Process | 3 nm | 10 nm |
| TDP (PL1) | 45-55 W (configurable) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 160 W | 157 W |
| Socket | FCBGA-2114 | BGA-1964 |
| Peak Temperature | 105Β°C | 100Β°C |
Laptop processors ranking (33rd and 102nd place)
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Intel UHD Graphics (16EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1850 MHz | 1600 MHz |
| Shading Units | 512 | 256 |
| TMUs | 32 | 16 |
| ROPs | 16 | 8 |
| Execution Units | 64 | 32 |
| TGP | 14 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-6400 | - DDR5-5600 - DDR4-3200 |
| Max. Memory Size | 256 GB | 192 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 102.4 GB/s | 89.6 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core Ultra 7 255HX official page | Intel Core i7 14650HX official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 24 | 20 |
Cast your vote
Total votes: 48