AMD Ryzen AI 5 340 vs Intel Core Ultra 7 255U
66.4Single-core60.7
43.6Multi-core40.7
73.5Efficiencyspec-based90.8
54.5iGPU61
58.8Platformspec-based53.6
9 spec wins — AMD Ryzen AI 5 3408 spec wins — Intel Core Ultra 7 255U
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen AI 5 340 scores 57.2 against 57.2 for Intel Core Ultra 7 255U. Pick by the categories that matter to you — AMD Ryzen AI 5 340 edges ahead in single-core and multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen AI 5 340
- Stronger single-core score: 66 vs 61
- 100% higher Max memory: 256 GB vs 128 GB
- 50% higher Performance cores: 3 vs 2
- 33% higher L3 cache: 16 MB vs 12 MB
- 24% higher Cinebench R23 (multi): 12,532 vs 10,123
Reasons to pick the Intel Core Ultra 7 255U
- Stronger iGPU score: 61 vs 55
- 233% higher Efficiency cores: 10 vs 3
- 100% higher cores: 12 vs 6
- 46% lower Base TDP: 15 W vs 28 W
- 34% higher 3DMark Time Spy Graphics (iGPU): 1,902 vs 1,415
General
| Spec | AMD Ryzen AI 5 340 | Intel Core Ultra 7 255U |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 54 W | 57 W+6% |
Cores & Clocks
| Spec | AMD Ryzen AI 5 340 | Intel Core Ultra 7 255U |
|---|---|---|
| Cores | 6 | 12+100% |
| Performance cores | 3+50% | 2 |
| Efficiency cores | 3 | 10+233% |
| Threads | 12 | 14+17% |
| Base clock | 2 GHz | 2 GHz |
| Boost clock | 4.8 GHz | 5.2 GHz+8% |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen AI 5 340 | Intel Core Ultra 7 255U |
|---|---|---|
| iGPU | AMD Radeon 840M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,900 MHz | 2,100 MHz |
Memory
| Spec | AMD Ryzen AI 5 340 | Intel Core Ultra 7 255U |
|---|---|---|
| Memory support | LPDDR5X-8000 / DDR5-5600 | LPDDR5/X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen AI 5 340 | Intel Core Ultra 7 255U |
|---|---|---|
| Geekbench 6 (single) | 2,782+15%Top 29% | 2,428Bottom 33% |
| Geekbench 6 (multi) | 10,765+7%Bottom 42% | 10,105Bottom 35% |
| Cinebench R23 (single) | 1,916+4%Top 30% | 1,835Top 39% |
| Cinebench R23 (multi) | 12,532+24%Bottom 45% | 10,123Bottom 31% |
| PassMark | 19,625+10%Bottom 41% | 17,851Bottom 30% |
| PassMark (single thread) | 3,705+2%Top 48% | 3,642Bottom 49% |
| 3DMark Time Spy Graphics (iGPU) | 1,415Bottom 36% | 1,902+34%Top 42% |
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