
Atom D525 vs Core i3-3120M

Atom D525

Core i3-3120M
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 Atom D525 is positioned at rank 31 and the Core i3-3120M is on rank 460, so the Atom D525 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom D525
Performance Per Dollar Core i3-3120M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom D525 | Core i3-3120M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($63) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Pinetrail (2009−2011) / 45 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Atom D525 | Core i3-3120M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($63) | ✅ More affordable ($0) |
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 Atom D525 and Core i3-3120M

Atom D525
The Atom D525 is manufactured by Intel. It was released in 21 June 2010 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 13 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,707 points. Launch price was $63.

Core i3-3120M
The Core i3-3120M is manufactured by Intel. It was released in 30 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,709 points. Launch price was $160.
Processing Power
Both the Atom D525 and Core i3-3120M share an identical 2-core/4-thread configuration. Boost clocks reach 1.83 GHz on the Atom D525 versus 2.5 GHz on the Core i3-3120M — a 30.9% clock advantage for the Core i3-3120M (base: 1.8 GHz vs 2.5 GHz). The Atom D525 uses the Pinetrail (2009−2011) architecture (45 nm), while the Core i3-3120M uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Atom D525 scores 1,707 against the Core i3-3120M's 1,709 — a 0.1% lead for the Core i3-3120M. L3 cache: 0 kB on the Atom D525 vs 3 MB (total) on the Core i3-3120M.
| Feature | Atom D525 | Core i3-3120M |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 1.83 GHz | 2.5 GHz+37% |
| Base Clock | 1.8 GHz | 2.5 GHz+39% |
| L3 Cache | 0 kB | 3 MB (total) |
| L2 Cache | 512K (per core)+100% | 256K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Pinetrail (2009−2011) | Ivy Bridge (2012−2013) |
| PassMark | 1,707 | 1,709 |
| Geekbench 6 Single | — | 440 |
| Geekbench 6 Multi | — | 930 |
Memory & Platform
The Atom D525 uses the FCBGA559 socket (PCIe 2.0), while the Core i3-3120M uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-800 memory speed. The Core i3-3120M supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Memory channels: 1 (Atom D525) vs 2 (Core i3-3120M). PCIe lanes: 0 (Atom D525) vs 16 (Core i3-3120M) — the Core i3-3120M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom D525) and HM76,HM77 (Core i3-3120M).
| Feature | Atom D525 | Core i3-3120M |
|---|---|---|
| Socket | FCBGA559 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-800 | DDR3-1600 |
| Max RAM Capacity | 4 GB | 32 GB+700% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Atom D525) / VT-x, VT-d (Core i3-3120M). Both include integrated graphics — Intel GMA 3150 (Atom D525) and Intel HD Graphics 4000 (Core i3-3120M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-3120M targets Budget Laptop. Direct competitor: Core i3-3120M rivals AMD A8-4500M.
| Feature | Atom D525 | Core i3-3120M |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel GMA 3150 | Intel HD Graphics 4000 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Budget Laptop |
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