Intel Core i7-7820X vs Intel Core i7-7740X
Comparative analysis of Intel Core i7-7820X and Intel Core i7-7740X 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 i7-7820X
- 4 more cores, run more applications at once: 8 vs 4
- 8 more threads: 16 vs 8
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 38% more L3 cache; more data can be stored in the L3 cache for quick access later
- 2x more maximum memory size: 128 GB vs 64 GB
- Around 79% better performance in PassMark - CPU mark: 17194 vs 9611
- Around 80% better performance in Geekbench 4 - Multi-Core: 8814 vs 4898
| Specifications (specs) | |
| Number of cores | 8 vs 4 |
| Number of threads | 16 vs 8 |
| L1 cache | 64 KB (per core) vs 256 KB |
| L2 cache | 256 KB (per core) vs 1 MB |
| L3 cache | 11264 KB (shared) vs 8 MB |
| Maximum memory size | 128 GB vs 64 GB |
| Benchmarks | |
| PassMark - CPU mark | 17194 vs 9611 |
| Geekbench 4 - Multi-Core | 8814 vs 4898 |
Reasons to consider the Intel Core i7-7740X
- Around 5% higher clock speed: 4.50 GHz vs 4.30 GHz
- Around 1% higher maximum core temperature: 100°C vs 99°C
- Around 25% lower typical power consumption: 112 Watt vs 140 Watt
- Around 7% better performance in PassMark - Single thread mark: 2686 vs 2522
- Around 10% better performance in Geekbench 4 - Single Core: 1251 vs 1138
| Specifications (specs) | |
| Maximum frequency | 4.50 GHz vs 4.30 GHz |
| Maximum core temperature | 100°C vs 99°C |
| Thermal Design Power (TDP) | 112 Watt vs 140 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 2686 vs 2522 |
| Geekbench 4 - Single Core | 1251 vs 1138 |
Compare benchmarks
CPU 1: Intel Core i7-7820X
CPU 2: Intel Core i7-7740X
| 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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| Name | Intel Core i7-7820X | Intel Core i7-7740X |
|---|---|---|
| PassMark - Single thread mark | 2522 | 2686 |
| PassMark - CPU mark | 17194 | 9611 |
| Geekbench 4 - Single Core | 1138 | 1251 |
| Geekbench 4 - Multi-Core | 8814 | 4898 |
| 3DMark Fire Strike - Physics Score | 5958 | 0 |
| 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 i7-7820X | Intel Core i7-7740X | |
|---|---|---|
Essentials |
||
| Architecture codename | Skylake | Kaby Lake |
| Launch date | June 2017 | 30 May 2017 |
| Launch price (MSRP) | $679 | $350 |
| Place in performance rating | 1363 | 1358 |
| Price now | $499.99 | $348.99 |
| Processor Number | i7-7820X | i7-7740X |
| Series | Intel® Core™ X-series Processors | Intel® Core™ X-series Processors |
| Status | Launched | Discontinued |
| Value for money (0-100) | 10.93 | 10.34 |
| Vertical segment | Desktop | Desktop |
Performance |
||
| 64 bit support | ||
| Base frequency | 3.60 GHz | 4.30 GHz |
| Bus Speed | 8 GT/s DMI3 | 8 GT/s DMI3 |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 11264 KB (shared) | 8 MB |
| Manufacturing process technology | 14 nm | 14 nm |
| Maximum case temperature (TCase) | 72 °C | 72 °C |
| Maximum core temperature | 99°C | 100°C |
| Maximum frequency | 4.30 GHz | 4.50 GHz |
| Number of cores | 8 | 4 |
| Number of QPI Links | 0 | 0 |
| Number of threads | 16 | 8 |
| Unlocked | ||
Memory |
||
| Max memory channels | 4 | 2 |
| Maximum memory size | 128 GB | 64 GB |
| Supported memory types | DDR4-2666 | DDR4-2666 |
Compatibility |
||
| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Sockets supported | FCLGA2066 | FCLGA2066 |
| Thermal Design Power (TDP) | 140 Watt | 112 Watt |
| Thermal Solution | PCG 2017X | PCG 2017X |
Peripherals |
||
| Max number of PCIe lanes | 28 | 16 |
| PCI Express revision | 3.0 | 3.0 |
| Scalability | 1S Only | 1S Only |
| PCIe configurations | Up to 1x16, 2x8, 1x8+2x4 | |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
| Enhanced Intel SpeedStep® technology | ||
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| Intel 64 | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Intel® Hyper-Threading technology | ||
| Intel® Optane™ Memory Supported | ||
| Intel® Turbo Boost technology | ||
| Number of AVX-512 FMA Units | 2 | |
| Intel® vPro™ Platform Eligibility | ||
Virtualization |
||
| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| AMD Virtualization (AMD-V™) | ||
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