Detailed comparison and review of Intel Core i5 7400 (7th Gen) and Intel Core i7 7820X X-series (7th Gen). With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Core i5 7400 (7th Gen) | Intel Core i7 7820X X-series (7th Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i5 7400 (7th Gen) | Intel Core i7 7820X X-series (7th Gen) |
|---|
| Type | Intel Core i5 7400 (7th Gen) | Intel Core i7 7820X X-series (7th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1151 Socket | LGA2066 Socket |
| Manufacturing Process | 14 nm | 14 nm |
| Thermal Design Power | 65 W | 140 W |
| Thermal Specification | 100 °C | - |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | - |
| PCI Express Lanes Qty | 16 | 28 |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel Software Guard Extensions (SGX), Intel Memory Protection Extensions (MPX), Intel Device Protection Technology with Boot Guard | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512) |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 4 threads | 16 threads |
| Clock Speed (Frequency) | 3 GHz | 3.6 GHz |
| Max Turbo Speed | 3.5 GHz | 4.3 GHz |
| CACHE MEMORY |
|---|
| Cache | 6 MB | 11 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 6 MB | L3 - Smart Cache - 11 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i5 7400 (7th Gen) | Intel Core i7 7820X X-series (7th Gen) |
|---|
| Type | Intel HD Graphics 630 | - |
|---|---|---|
| Base Frequency | 350 MHz | - |
| Max Dynamic Frequency | 1 GHz | - |
| Max Supported Memory Size | 64 GB | - |
| Max Supported Resolution | 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) | - |
| Features | Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable | - |
| MISCELLANEOUS | Intel Core i5 7400 (7th Gen) | Intel Core i7 7820X X-series (7th Gen) |
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| Service & Support | - | Limited warranty - 3 years |
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