Intel Core i5-9400F vs Intel Core i7-7820X
Comparative analysis of Intel Core i5-9400F and Intel Core i7-7820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).
Differences
Reasons to consider the Intel Core i5-9400F
- Around 1% higher maximum core temperature: 100°C vs 99°C
- 2.2x lower typical power consumption: 65 Watt vs 140 Watt
| Maximum core temperature | 100°C vs 99°C |
| Thermal Design Power (TDP) | 65 Watt vs 140 Watt |
Reasons to consider the Intel Core i7-7820X
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 2 more cores, run more applications at once: 8 vs 6
- 10 more threads: 16 vs 6
- Around 5% higher clock speed: 4.30 GHz vs 4.10 GHz
- Around 4% better performance in PassMark - Single thread mark: 2522 vs 2436
- Around 81% better performance in PassMark - CPU mark: 17165 vs 9469
- Around 5% better performance in Geekbench 4 - Single Core: 1138 vs 1083
- Around 86% better performance in Geekbench 4 - Multi-Core: 8814 vs 4737
- Around 59% better performance in 3DMark Fire Strike - Physics Score: 5958 vs 3746
| Specifications (specs) | |
| Unlocked | Unlocked vs Locked |
| Number of cores | 8 vs 6 |
| Number of threads | 16 vs 6 |
| Maximum frequency | 4.30 GHz vs 4.10 GHz |
| Benchmarks | |
| PassMark - Single thread mark | 2522 vs 2436 |
| PassMark - CPU mark | 17165 vs 9469 |
| Geekbench 4 - Single Core | 1138 vs 1083 |
| Geekbench 4 - Multi-Core | 8814 vs 4737 |
| 3DMark Fire Strike - Physics Score | 5958 vs 3746 |
Compare benchmarks
CPU 1: Intel Core i5-9400F
CPU 2: Intel Core i7-7820X
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| 3DMark Fire Strike - Physics Score |
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| Name | Intel Core i5-9400F | Intel Core i7-7820X |
|---|---|---|
| PassMark - Single thread mark | 2436 | 2522 |
| PassMark - CPU mark | 9469 | 17165 |
| Geekbench 4 - Single Core | 1083 | 1138 |
| Geekbench 4 - Multi-Core | 4737 | 8814 |
| 3DMark Fire Strike - Physics Score | 3746 | 5958 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.666 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 159.198 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.92 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 5.968 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 16.376 |
Compare specifications (specs)
| Intel Core i5-9400F | Intel Core i7-7820X | |
|---|---|---|
Essentials |
||
| Architecture codename | Coffee Lake | Skylake |
| Launch date | Q1'19 | June 2017 |
| Place in performance rating | 1345 | 1378 |
| Processor Number | i5-9400F | i7-7820X |
| Series | 9th Generation Intel® Core™ i5 Processors | Intel® Core™ X-series Processors |
| Status | Launched | Launched |
| Vertical segment | Desktop | Desktop |
| Launch price (MSRP) | $679 | |
| Price now | $499.99 | |
| Value for money (0-100) | 10.93 | |
Performance |
||
| 64 bit support | ||
| Base frequency | 2.90 GHz | 3.60 GHz |
| Bus Speed | 8 GT/s DMI3 | 8 GT/s DMI3 |
| Manufacturing process technology | 14 nm | 14 nm |
| Maximum core temperature | 100°C | 99°C |
| Maximum frequency | 4.10 GHz | 4.30 GHz |
| Number of cores | 6 | 8 |
| Number of threads | 6 | 16 |
| L1 cache | 64 KB (per core) | |
| L2 cache | 256 KB (per core) | |
| L3 cache | 11264 KB (shared) | |
| Maximum case temperature (TCase) | 72 °C | |
| Number of QPI Links | 0 | |
| Unlocked | ||
Memory |
||
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 41.6 GB/s | |
| Maximum memory size | 128 GB | 128 GB |
| Supported memory types | DDR4-2666 | DDR4-2666 |
Compatibility |
||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 37.5mm x 37.5mm | |
| Sockets supported | FCLGA1151 | FCLGA2066 |
| Thermal Design Power (TDP) | 65 Watt | 140 Watt |
| Thermal Solution | PCG 2015C (65W) | PCG 2017X |
| Low Halogen Options Available | ||
Peripherals |
||
| Max number of PCIe lanes | 16 | 28 |
| PCI Express revision | 3.0 | 3.0 |
| PCIe configurations | Up to 1x16, 2x8, 1x8+2x4 | |
| Scalability | 1S Only | 1S Only |
Security & Reliability |
||
| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Memory Protection Extensions (Intel® MPX) | ||
| Intel® OS Guard | ||
| Intel® Secure Key technology | ||
| Intel® Software Guard Extensions (Intel® SGX) | ||
| Intel® Trusted Execution technology (TXT) | ||
| Secure Boot | ||
Advanced Technologies |
||
| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| Intel 64 | ||
| Intel® AES New Instructions | ||
| Intel® Hyper-Threading technology | ||
| Intel® Optane™ Memory Supported | ||
| Intel® Stable Image Platform Program (SIPP) | ||
| Intel® TSX-NI | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Thermal Monitoring | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Number of AVX-512 FMA Units | 2 | |
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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