
Core i3-390M

Core i3-330UM
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 Core i3-390M is positioned at rank 585 and the Core i3-330UM is on rank 305, so the Core i3-330UM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-390M
Performance Per Dollar Core i3-330UM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-390M | Core i3-330UM |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-390M | Core i3-330UM |
|---|---|---|
| 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 Core i3-390M and Core i3-330UM

Core i3-390M
The Core i3-390M is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,292 points. Launch price was $39.

Core i3-330UM
The Core i3-330UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 0.1 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,297 points. Launch price was $69.
Processing Power
Both the Core i3-390M and Core i3-330UM share an identical 2-core/4-thread configuration. Boost clocks reach 0.67 GHz on the Core i3-390M versus 0.1 GHz on the Core i3-330UM — a 148.1% clock advantage for the Core i3-390M (base: 2.66 GHz vs 1.2 GHz). Both are built on the Arrandale (2010−2011) architecture using a 32 nm process. In PassMark, the Core i3-390M scores 1,292 against the Core i3-330UM's 1,297 — a 0.4% lead for the Core i3-330UM. L3 cache: 3 MB (total) on the Core i3-390M vs 3 MB on the Core i3-330UM.
| Feature | Core i3-390M | Core i3-330UM |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 0.67 GHz+570% | 0.1 GHz |
| Base Clock | 2.66 GHz+122% | 1.2 GHz |
| L3 Cache | 3 MB (total) | 3 MB |
| L2 Cache | 256K (per core) | 512 kB+100% |
| Process | 32 nm | 32 nm |
| Architecture | Arrandale (2010−2011) | Arrandale (2010−2011) |
| PassMark | 1,292 | 1,297 |
| Geekbench 6 Single | — | 300 |
| Geekbench 6 Multi | — | 600 |
Memory & Platform
The Core i3-390M uses the PGA988 socket (PCIe 2.0), while the Core i3-330UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i3-390M | Core i3-330UM |
|---|---|---|
| Socket | PGA988 | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3-800 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core i3-390M) vs VT-x, VT-d (Core i3-330UM). Both include integrated graphics — HD Graphics (Core i3-390M) and Intel HD Graphics (Core i3-330UM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-390M targets Mobile, Core i3-330UM targets Legacy Laptop. Direct competitor: Core i3-330UM rivals Pentium SU7300.
| Feature | Core i3-390M | Core i3-330UM |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics | Intel HD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Mobile | Legacy Laptop |
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