| Product | Core i3-2100 | Core i3-2120 |
| Brand | Intel | Intel |
| Street Price (Approx) | ~ $95 Search low Core i3-2100 price (Amazon) | ~ $110 Search low Core i3-2120 price (Amazon) |
| # CPU Cores | 2 | 2 |
| Frequency (GHz) | 3.1 GHz | 3.3 GHz |
| Cache (MB) | 3 | 3 |
| TDP (Watts) | 65 W | 65 W |
| Product Segment | Desktop | Desktop |
| Status | Released | Released |
| Announced On | 2011-01-01 | 2011-01-01 |
| Technicals | Core i3-2100 | Core i3-2120 |
| Dimensions (2D) | 37.5x37.5 mm | 37.5x37.5 mm |
| # CPU Cores | 2 | 2 |
| Threads/Core | 4 | 4 |
| Frequency (GHz) | 3.1 GHz | 3.3 GHz |
| Cache (MB) | 3 | 3 |
| Instructions Width (bits) | 64 | 64 |
| Instructions Extensions | SSE4.1/4.2, AVX | SSE4.1/4.2, AVX |
| Lithography Process (nm) | 32 nm | 32 nm |
| TDP (Watts) | 65 W | 65 W |
| Max RAM | 32 GB | 32 GB |
| RAM Types | DDR3 1066/1333 | DDR3 1066/1333 |
| # Memory Channels | 2 | 2 |
| Memory Bandwidth (GB/Sec) | 21GB/s | 21GB/s |
| Max CPU / Package | 1 | 1 |
| PCI-E Version | 2 | 2 |
| PCI-E Max Lanes # | 16 | 16 |
| Compatible Sockets | FCLGA1155 | FCLGA1155 |
| Intel Turbo Boost Version |
| Intel V-Pro | No | No |
| Intel Hyper-Thread | Yes | Yes |
| Intel Virtualization (VTX) | Yes | Yes |
| Intel Directed I/O (VTD) | No | No |
| Intel Ext. Page Tables (EPT) | Yes | Yes |
| Intel 64 | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal MonitoringTech. | Yes | Yes |
| Flex Memory | Yes | Yes |
| Intel ID Protect | Yes | Yes |
| Intel AES New Instructions | No | No |
| Trusted Execution | No | No |
| Execution Disable | Yes | Yes |