Core i7-680UM vs Atom Z3770
Core i7-680UM
Atom Z3770
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 i7-680UM is positioned at rank 1036 and the Atom Z3770 is on rank 702, so the Atom Z3770 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-680UM
Performance Per Dollar Atom Z3770
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-680UM | Atom Z3770 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-680UM | Atom Z3770 |
|---|---|---|
| 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 i7-680UM and Atom Z3770
Core i7-680UM
The Core i7-680UM is manufactured by Intel. It was released in 26 September 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.53 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,196 points. Launch price was $317.
Atom Z3770
The Atom Z3770 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.39 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 1,189 points. Launch price was $37.
Processing Power
The Core i7-680UM packs 2 cores / 4 threads, while the Atom Z3770 offers 4 cores / 4 threads — the Atom Z3770 has 2 more cores. Boost clocks reach 2.53 GHz on the Core i7-680UM versus 2.39 GHz on the Atom Z3770 — a 5.7% clock advantage for the Core i7-680UM (base: 1.46 GHz vs 1.46 GHz). The Core i7-680UM uses the Arrandale (2010−2011) architecture (32 nm), while the Atom Z3770 uses Bay Trail-T (2013−2014) (22 nm). In PassMark, the Core i7-680UM scores 1,196 against the Atom Z3770's 1,189 — a 0.6% lead for the Core i7-680UM. L3 cache: 4 MB (total) on the Core i7-680UM vs 0 kB on the Atom Z3770.
| Feature | Core i7-680UM | Atom Z3770 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.53 GHz+6% | 2.39 GHz |
| Base Clock | 1.46 GHz | 1.46 GHz |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 32 nm | 22 nm-31% |
| Architecture | Arrandale (2010−2011) | Bay Trail-T (2013−2014) |
| PassMark | 1,196 | 1,189 |
Memory & Platform
The Core i7-680UM uses the BGA1288 socket (PCIe 2.0), while the Atom Z3770 uses UTFCBGA1380 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-680UM | Atom Z3770 |
|---|---|---|
| Socket | BGA1288 | UTFCBGA1380 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | LPDDR3-1066 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
The Atom Z3770 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Core i7-680UM requires a dedicated GPU.
| Feature | Core i7-680UM | Atom Z3770 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
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