
Core i3-2120 vs Core i7-3689Y

Core i3-2120

Core i7-3689Y
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 i3-2120 is positioned at rank 911 and the Core i7-3689Y is on rank 206, so the Core i7-3689Y offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-2120
Performance Per Dollar Core i7-3689Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-2120 | Core i7-3689Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($25) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Core i3-2120 | Core i7-3689Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($25) | ✅ 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 Core i3-2120 and Core i7-3689Y

Core i3-2120
The Core i3-2120 is manufactured by Intel. It was released in 20 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,979 points. Launch price was $95.

Core i7-3689Y
The Core i7-3689Y is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 13 Watt. Memory support: DDR3. Passmark benchmark score: 1,967 points. Launch price was $69.
Processing Power
Both the Core i3-2120 and Core i7-3689Y share an identical 2-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Core i3-2120 versus 2.6 GHz on the Core i7-3689Y — a 23.7% clock advantage for the Core i3-2120 (base: 3.3 GHz vs 1.5 GHz). The Core i3-2120 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i7-3689Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i3-2120 scores 1,979 against the Core i7-3689Y's 1,967 — a 0.6% lead for the Core i3-2120. Geekbench 6 single-core — the metric most relevant to gaming — records 534 vs 507, a 5.2% lead for the Core i3-2120 that directly translates to higher frame rates. Multi-core Geekbench: 1,140 vs 1,100 (3.6% advantage for the Core i3-2120). L3 cache: 3 MB (total) on the Core i3-2120 vs 4 MB (total) on the Core i7-3689Y.
| Feature | Core i3-2120 | Core i7-3689Y |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.3 GHz+27% | 2.6 GHz |
| Base Clock | 3.3 GHz+120% | 1.5 GHz |
| L3 Cache | 3 MB (total) | 4 MB (total)+33% |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Sandy Bridge (2011−2013) | Ivy Bridge (2012−2013) |
| PassMark | 1,979 | 1,967 |
| Cinebench R23 Multi | 1,073 | — |
| Geekbench 6 Single | 534+5% | 507 |
| Geekbench 6 Multi | 1,140+4% | 1,100 |
Memory & Platform
The Core i3-2120 uses the LGA1155 socket (PCIe 2.0), while the Core i7-3689Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,H67,P67,Z68,Q65,Q67,B75,H77,Q75,Q77,Z75,Z77 (Core i3-2120) and HM77,QM77 (Core i7-3689Y).
| Feature | Core i3-2120 | Core i7-3689Y |
|---|---|---|
| Socket | LGA1155 | BGA1023 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3L-1600 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization support: Yes (Core i3-2120) vs VT-x, VT-d (Core i7-3689Y). Both include integrated graphics — Intel HD Graphics 2000 (Core i3-2120) and Intel HD Graphics 4000 (Core i7-3689Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-3689Y targets Ultra-Low Power Laptop. Direct competitor: Core i7-3689Y rivals AMD A10-4655M.
| Feature | Core i3-2120 | Core i7-3689Y |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 2000 | Intel HD Graphics 4000 |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x, VT-d |
| Target Use | — | Ultra-Low Power Laptop |
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