
Athlon 300U vs Core i7-2840QM

Athlon 300U

Core i7-2840QM
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. The Athlon 300U is positioned at rank 624 and the Core i7-2840QM is on rank 311, so the Core i7-2840QM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 300U
Performance Per Dollar Core i7-2840QM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 300U | Core i7-2840QM |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Raven Ridge 2 (2019) / 14 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Athlon 300U | Core i7-2840QM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Athlon 300U and Core i7-2840QM

Athlon 300U
The Athlon 300U is manufactured by AMD. It was released in 2009-01-01. It is based on the Raven Ridge 2 (2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 3,861 points. Launch price was $149.

Core i7-2840QM
The Core i7-2840QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Max frequency: 2.4 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 32 nm process technology. Socket: G2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 3,842 points. Launch price was $69.
Processing Power
The Athlon 300U packs 2 cores / 4 threads, while the Core i7-2840QM offers 4 cores / 8 threads — the Core i7-2840QM has 2 more cores. Boost clocks reach 3.3 GHz on the Athlon 300U versus 2.4 GHz on the Core i7-2840QM — a 31.6% clock advantage for the Athlon 300U. The Athlon 300U uses the Raven Ridge 2 (2019) architecture (14 nm), while the Core i7-2840QM uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Athlon 300U scores 3,861 against the Core i7-2840QM's 3,842 — a 0.5% lead for the Athlon 300U. L3 cache: 4 MB (total) on the Athlon 300U vs 8 MB on the Core i7-2840QM.
| Feature | Athlon 300U | Core i7-2840QM |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 3.3 GHz+38% | 2.4 GHz |
| Base Clock | 2.4 GHz | — |
| L3 Cache | 4 MB (total) | 8 MB+100% |
| L2 Cache | 512K (per core) | 1 MB+100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Raven Ridge 2 (2019) | Sandy Bridge (2011−2013) |
| PassMark | 3,861 | 3,842 |
| Geekbench 6 Single | 900 | — |
| Geekbench 6 Multi | 1,800 | — |
Memory & Platform
The Athlon 300U uses the FP5 socket (PCIe 3.0), while the Core i7-2840QM uses G2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 300U | Core i7-2840QM |
|---|---|---|
| Socket | FP5 | G2 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: AMD-V (Athlon 300U) / not specified (Core i7-2840QM). The Athlon 300U includes integrated graphics (Radeon RX Vega 3), while the Core i7-2840QM requires a dedicated GPU. Primary use case: Athlon 300U targets Budget Laptop.
| Feature | Athlon 300U | Core i7-2840QM |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon RX Vega 3 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Budget Laptop | — |
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