| Product | Atom x3-C3405 | Core i3-6157U |
| Brand | Intel | Intel |
| Street Price (Approx) | Search low Atom x3-C3405 price (Amazon) | ~ $304 Search low Core i3-6157U price (Amazon) |
| # CPU Cores | 4 | 2 |
| Frequency (GHz) | 1.2 GHz | 2.4 GHz |
| Cache (MB) | 3 | |
| TDP (Watts) | 28 W | |
| Product Segment | Mobile | Mobile |
| Status | Released | Released |
| Announced On | 2015-01-01 | 2016-06-01 |
| Technicals | Atom x3-C3405 | Core i3-6157U |
| Dimensions (2D) | 12x12 mm | 42x42 mm |
| Conflict Free? | 1 | |
| # CPU Cores | 4 | 2 |
| Threads/Core | 4 | 4 |
| Frequency (GHz) | 1.2 GHz | 2.4 GHz |
| Cache (MB) | 3 | |
| Instructions Width (bits) | 64 | 64 |
| Instructions Extensions | SSE4.1/4.2, AVX 2.0 | |
| Lithography Process (nm) | 28 nm | 14 nm |
| TDP (Watts) | 28 W | |
| TDP Down (W) | 23 | |
| Max RAM | 2 GB | 32 GB |
| RAM Types | 1x32 LPDDR2/3 1066 | DDR4-2133, LPDDR3-1866, DDR3L-1600 |
| # Memory Channels | 1 | 2 |
| Memory Bandwidth (GB/Sec) | 4.2GB/s | 34.1GB/s |
| Max CPU / Package | 1 | |
| GPU | Intel® Iris™ Graphics 550 | |
| PCI-E Version | 3 | |
| PCI-E Max Lanes # | 12 | |
| Compatible Sockets | FCBGA1356 | |
| Intel Turbo Boost Version |
| Intel V-Pro | No | |
| Intel Hyper-Thread | Yes | |
| Intel Virtualization (VTX) | Yes | |
| Intel Directed I/O (VTD) | Yes | |
| Intel Ext. Page Tables (EPT) | Yes | |
| Intel TSX Sync. Extensions | No | |
| Intel 64 | Yes | |
| Intel MyWiFi | Yes | |
| Idle States | Yes | |
| Enhanced Speedstep | Yes | |
| Thermal MonitoringTech. | Yes | |
| Intel ID Protect | Yes | |
| Intel SIPP | No | |
| Smart Response Technology | Yes | |
| Intel AES New Instructions | Yes | |
| Intel Secure Key | Yes | |
| Intel SGX | Yes | |
| Intel MPX | Yes | |
| Intel OS Guard | Yes | |
| Trusted Execution | No | |
| Execution Disable | Yes |