Intel Core Ultra 7 255H vs AMD Ryzen AI 5 340
68
out of 100
VS
58
out of 100
We compared two laptop CPUs: the 2.0 GHz Intel Core Ultra 7 255H with 16-cores against the 2.0 GHz AMD Ryzen AI 5 340 with 6-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 255H
- More powerful Arc Graphics 140T integrated graphics: 4.6 vs 1.5 TFLOPS
- Has 10 more physical cores
- Has 8 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
- More than 10Β° C higher critical temperature
- 6% higher Turbo Boost frequency (5.1 GHz vs 4.8 GHz)
Advantages of AMD Ryzen AI 5 340
- Supports up to 256 GB LPDDR5X-8000 RAM
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#143rd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1270 MB/sec | 1003.2 MB/sec |
| Clang compilation | 103.2 Klines/sec | 59.2 Klines/sec |
| HTML 5 Browser | 399 pages/sec | 223 pages/sec |
| PDF Renderer | 443.6 Mpixels/sec | 279.4 Mpixels/sec |
| Text processing | 283.7 pages/sec | 310.4 pages/sec |
| Background blur | 62.4 images/sec | 54.7 images/sec |
| Photo processing | 144.8 images/sec | 98.9 images/sec |
| Ray tracing | 24 Mpixels/sec | 16.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 78.1 GOps/sec | 63.2 GOps/sec |
| Floating point math | 98.9 GOps/sec | 40 GOps/sec |
| Find prime numbers | 303M Primes/sec | 72M Primes/sec |
| Random string sorting | 36.1M Strings/sec | 25M Strings/sec |
| Data encryption | 23.4 GBytes/sec | 11.5 GBytes/sec |
| Data compression | 299.1 MBytes/sec | 230.3 MBytes/sec |
| Physics | 2251 Frames/sec | 1097 Frames/sec |
| Extended instructions | 23.8B Matrices/sec | 16.5B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 37.5 PPW | 12.6 PPW |
| Geekbench 6 Multi / Watt | 540.1 PPW | 196.6 PPW |
| Passmark CPU Mark / Watt | 1097.3 PPW | 361.9 PPW |
| Blender / Watt | 9.83 PPW | 2.71 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 255H
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-06 -> xnullcode | Geekbench 6 CPU | 3009 / 11440 |
| π 2026-08-15 -> xnullcode | Geekbench 6 CPU | 2849 / 11877 |
| π 2026-08-15 -> xnullcode | Geekbench 6 CPU | 2848 / 11898 |
| π 2026-08-15 -> xnullcode | Cinebench 2026 | 0 / 3496 |
| π 2026-08-15 (xnullcode) | Geekbench 6 CPU | 2708 / 11477 |
AMD Ryzen AI 5 340
| Date | Benchmark | Result |
|---|---|---|
| π 2025-12-08 -> Rurek | Cinebench 2024 | 104 / 584 |
Specifications
Full technical specification of Intel Core Ultra 7 255H and AMD Ryzen AI 5 340General
| Vendor | Intel | Amd |
| Released | January 6, 2025 | January 7, 2025 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Zen 5 (Krackan Point) |
| Model number | 255H | 340 |
| Integrated GPU | Arc Graphics 140T | Radeon 840M |
| Rival Equivalent | - AMD Ryzen AI 7 350 | - Intel Core Ultra 5 235U |
| Successor | - | - AMD Ryzen AI 5 440 |
Intel CPU rating (#50th place)
AMD Ryzen CPU ranking (#73rd place)
CPU
| P-Cores | 6 | 3 |
| P-Threads | 6 | 6 |
| Base Frequency (P) | 2.0 GHz | 2.0 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 4.8 GHz |
| E-Cores | 10 | 3 |
| E-Threads | 10 | 6 |
| Base Frequency (E) | 1.5 GHz | 2.0 GHz |
| Turbo Boost Frequency (E) | 4.4 GHz | 3.4 GHz |
| Total Cores | 16 | 6 |
| Total Threads | 16 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 20x | 20x |
| L1 Cache | 192K (per core) | 80K (per core) |
| L2 Cache | 2MB (per core) | 1MB (per core) |
| L3 Cache | 24MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 3 nm | 4 nm |
| TDP (PL1) | 20-28 W (configurable) | 15-54 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | 54 W |
| Socket | FCBGA-2049 | FP8 |
| Peak Temperature | 110Β°C | 100Β°C |
Laptop processors ranking (61st and 117th place)
iGPU
| Integrated Graphics | Arc Graphics 140T | Radeon 840M |
| GPU Base Clock | 300 MHz | 400 MHz |
| GPU Boost Clock | 2250 MHz | 2900 MHz |
| Shading Units | 1024 | 256 |
| TMUs | 64 | 16 |
| ROPs | 32 | 8 |
| Execution Units | 8 | 4 |
| TGP | 35 W | 15 W |
iGPU FLOPS
More info: Radeon 840M compared to Arc 140T
Memory Support
| Memory Types | - LPDDR5-8400 - LPDDR5x-8400 - DDR5-6400 |
- LPDDR5X-8000 - DDR5-5600 |
| Max. Memory Size | 128 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 89.6 GB/s |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 7 255H official page | AMD Ryzen AI 5 340 official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 28 | 16 |
Cast your vote
Total votes: 13