| Product | Core i5-2557M | Core i7-7820HK |
| Brand | Intel | Intel |
| Street Price (Approx) | Search low Core i5-2557M price (Amazon) | ~ $378 Search low Core i7-7820HK price (Amazon) |
| # CPU Cores | 2 | 4 |
| Frequency (GHz) | 1.7 GHz | 2.9 GHz |
| Cache (MB) | 8 | |
| TDP (Watts) | 17 W | 45 W |
| Product Segment | Mobile | Mobile |
| Status | Released | Released |
| Announced On | 2011-03-01 | 2017-01-01 |
| Technicals | Core i5-2557M | Core i7-7820HK |
| Dimensions (2D) | 31x31 mm | 42x42 mm |
| Conflict Free? | 1 | |
| # CPU Cores | 2 | 4 |
| Threads/Core | 4 | 8 |
| Frequency (GHz) | 1.7 GHz | 2.9 GHz |
| Turbo Frequency (GHz) | 2.7 GHz | 3.9 GHz |
| Cache (MB) | 8 | |
| Instructions Width (bits) | 64 | 64 |
| Instructions Extensions | AVX | SSE4.1/4.2, AVX 2.0 |
| Lithography Process (nm) | 32 nm | 14 nm |
| TDP (Watts) | 17 W | 45 W |
| TDP Down (W) | 35 | |
| Max RAM | 8 GB | 64 GB |
| RAM Types | DDR3 1066/1333 | DDR4-2400, LPDDR3-2133, DDR3L-1600 |
| # Memory Channels | 2 | 2 |
| Memory Bandwidth (GB/Sec) | 21.3GB/s | 34.1GB/s |
| Max CPU Temp. | 100 | |
| Max CPU / Package | 1 | 1 |
| GPU | Intel® HD Graphics 630 | |
| PCI-E Version | 2 | 3 |
| PCI-E Configurations | 1x16, 2x8, 1x8 2x4 | |
| PCI-E Max Lanes # | 16 | 16 |
| Compatible Sockets | FCBGA1023 | FCBGA1440 |
| Intel Turbo Boost Version | 2 | 2 |
| Intel V-Pro | Yes | No |
| Intel Hyper-Thread | Yes | Yes |
| Intel Virtualization (VTX) | Yes | Yes |
| Intel Directed I/O (VTD) | Yes | Yes |
| Intel Ext. Page Tables (EPT) | Yes | Yes |
| Intel TSX Sync. Extensions | Yes | |
| Intel 64 | Yes | Yes |
| Intel MyWiFi | Yes | Yes |
| Idle States | Yes | Yes |
| Enhanced Speedstep | Yes | |
| Thermal MonitoringTech. | Yes | Yes |
| Flex Memory | Yes | Yes |
| Intel ID Protect | Yes | Yes |
| Intel SIPP | No | |
| Smart Response Technology | Yes | |
| Intel AES New Instructions | Yes | Yes |
| Intel Secure Key | Yes | |
| Intel SGX | Yes | |
| Intel MPX | Yes | |
| Intel OS Guard | Yes | |
| Trusted Execution | Yes | No |
| Execution Disable | Yes | Yes |