CPU
GPU
Core i5-1240U
Ryzen 3 3300X
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-1240U
Performance Per Dollar Ryzen 3 3300X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-1240U | Ryzen 3 3300X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($90) |
| Longevity | ✨ Modern (Alder Lake-U (2022) / Intel 7 nm) | ✨ Modern (Matisse (Zen 2) (2019−2020) / 7 nm) |
💎 Value Proposition
| Insight | Core i5-1240U | Ryzen 3 3300X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($90) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core i5-1240U and Ryzen 3 3300X
Core i5-1240U
The Core i5-1240U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.1 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1781. Thermal design power (TDP): 9.5 MB + 12 MB. Memory support: DDR4, DDR5. Passmark benchmark score: 13,387 points. Launch price was $149.
Ryzen 3 3300X
The Ryzen 3 3300X is manufactured by AMD. It was released in 24 April 2020 (5 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.3 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 13,425 points. Launch price was $120.
Processing Power
The Core i5-1240U packs 10 cores / 12 threads, while the Ryzen 3 3300X offers 4 cores / 8 threads — the Core i5-1240U has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-1240U versus 4.3 GHz on the Ryzen 3 3300X — a 2.3% clock advantage for the Core i5-1240U (base: 1.1 GHz vs 3.8 GHz). The Core i5-1240U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Ryzen 3 3300X uses Matisse (Zen 2) (2019−2020) (7 nm). In PassMark, the Core i5-1240U scores 13,387 against the Ryzen 3 3300X's 13,425 — a 0.3% lead for the Ryzen 3 3300X. L3 cache: 12 MB (total) on the Core i5-1240U vs 16 MB (total) on the Ryzen 3 3300X.
| Feature | Core i5-1240U | Ryzen 3 3300X |
|---|---|---|
| Cores / Threads | 10 / 12+150% | 4 / 8 |
| Boost Clock | 4.4 GHz+2% | 4.3 GHz |
| Base Clock | 1.1 GHz | 3.8 GHz+245% |
| L3 Cache | 12 MB (total) | 16 MB (total)+33% |
| L2 Cache | 1.25 MB (per core)+150% | 512K (per core) |
| Process | Intel 7 nm | 7 nm |
| Architecture | Alder Lake-U (2022) | Matisse (Zen 2) (2019−2020) |
| PassMark | 13,387 | 13,425 |
| Geekbench 6 Single | 1,650 | — |
Memory & Platform
The Core i5-1240U uses the FCBGA1781 socket (PCIe 5.0), while the Ryzen 3 3300X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-1240U versus DDR4-3200 on the Ryzen 3 3300X — the Core i5-1240U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 3 3300X supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 14 (Core i5-1240U) vs 24 (Ryzen 3 3300X) — the Ryzen 3 3300X offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Core i5-1240U | Ryzen 3 3300X |
|---|---|---|
| Socket | FCBGA1781 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | LPDDR5-5200+25% | DDR4-3200 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 14 | 24+71% |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-1240U) / not specified (Ryzen 3 3300X). The Core i5-1240U includes integrated graphics (Iris Xe Graphics 80EU), while the Ryzen 3 3300X requires a dedicated GPU. Primary use case: Core i5-1240U targets Thin & Light Laptop. Direct competitor: Core i5-1240U rivals Ryzen 5 5600U.
| Feature | Core i5-1240U | Ryzen 3 3300X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Iris Xe Graphics 80EU | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Thin & Light Laptop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i5-1240U and Ryzen 3 3300X
