Intel Core i7-9700K vs Intel Core i7-7820X
Comparative analysis of Intel Core i7-9700K and Intel Core i7-7820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the Intel Core i7-9700K
- CPU is newer: launch date 1 year(s) 3 month(s) later
- Around 14% higher clock speed: 4.90 GHz vs 4.30 GHz
- Around 1% higher maximum core temperature: 100°C vs 99°C
- Around 9% more L3 cache; more data can be stored in the L3 cache for quick access later
- Around 47% lower typical power consumption: 95 Watt vs 140 Watt
- Around 14% better performance in PassMark - Single thread mark: 2875 vs 2522
- Around 15% better performance in Geekbench 4 - Single Core: 1306 vs 1138
- Around 23% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 195.695 vs 159.198
- Around 20% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.105 vs 0.92
Specifications (specs) | |
Launch date | October 2018 vs June 2017 |
Maximum frequency | 4.90 GHz vs 4.30 GHz |
Maximum core temperature | 100°C vs 99°C |
L3 cache | 12 MB (shared) vs 11264 KB (shared) |
Thermal Design Power (TDP) | 95 Watt vs 140 Watt |
Benchmarks | |
PassMark - Single thread mark | 2875 vs 2522 |
Geekbench 4 - Single Core | 1306 vs 1138 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 195.695 vs 159.198 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.105 vs 0.92 |
Reasons to consider the Intel Core i7-7820X
- 8 more threads: 16 vs 8
- Around 19% better performance in PassMark - CPU mark: 17165 vs 14458
- Around 19% better performance in Geekbench 4 - Multi-Core: 8814 vs 7386
- Around 2% better performance in 3DMark Fire Strike - Physics Score: 5958 vs 5855
- Around 17% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.666 vs 9.136
- Around 10% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 5.968 vs 5.449
- Around 5% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 16.376 vs 15.67
Specifications (specs) | |
Number of threads | 16 vs 8 |
Benchmarks | |
PassMark - CPU mark | 17165 vs 14458 |
Geekbench 4 - Multi-Core | 8814 vs 7386 |
3DMark Fire Strike - Physics Score | 5958 vs 5855 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.666 vs 9.136 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 5.968 vs 5.449 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 16.376 vs 15.67 |
Compare benchmarks
CPU 1: Intel Core i7-9700K
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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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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Name | Intel Core i7-9700K | Intel Core i7-7820X |
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PassMark - Single thread mark | 2875 | 2522 |
PassMark - CPU mark | 14458 | 17165 |
Geekbench 4 - Single Core | 1306 | 1138 |
Geekbench 4 - Multi-Core | 7386 | 8814 |
3DMark Fire Strike - Physics Score | 5855 | 5958 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 9.136 | 10.666 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 195.695 | 159.198 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.105 | 0.92 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 5.449 | 5.968 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 15.67 | 16.376 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2156 | |
GFXBench 4.0 - Manhattan (Frames) | 1155 | |
GFXBench 4.0 - T-Rex (Frames) | 2066 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2156 | |
GFXBench 4.0 - Manhattan (Fps) | 1155 | |
GFXBench 4.0 - T-Rex (Fps) | 2066 |
Compare specifications (specs)
Intel Core i7-9700K | Intel Core i7-7820X | |
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Essentials |
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Architecture codename | Coffee Lake | Skylake |
Launch date | October 2018 | June 2017 |
Place in performance rating | 1377 | 1378 |
Price now | $409.99 | $499.99 |
Processor Number | i7-9700K | i7-7820X |
Series | 9th Generation Intel® Core™ i7 Processors | Intel® Core™ X-series Processors |
Status | Launched | Launched |
Value for money (0-100) | 12.64 | 10.93 |
Vertical segment | Desktop | Desktop |
Launch price (MSRP) | $679 | |
Performance |
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64 bit support | ||
Base frequency | 3.60 GHz | 3.60 GHz |
Bus Speed | 8 GT/s DMI3 | 8 GT/s DMI3 |
L1 cache | 64K (per core) | 64 KB (per core) |
L2 cache | 256K (per core) | 256 KB (per core) |
L3 cache | 12 MB (shared) | 11264 KB (shared) |
Manufacturing process technology | 14 nm | 14 nm |
Maximum case temperature (TCase) | 72 °C | 72 °C |
Maximum core temperature | 100°C | 99°C |
Maximum frequency | 4.90 GHz | 4.30 GHz |
Number of cores | 8 | 8 |
Number of threads | 8 | 16 |
Unlocked | ||
Number of QPI Links | 0 | |
Memory |
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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 |
Graphics |
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Device ID | 0x3E98 | |
Graphics base frequency | 350 MHz | |
Graphics max dynamic frequency | 1.20 GHz | |
Intel® Clear Video HD technology | ||
Intel® Clear Video technology | ||
Intel® InTru™ 3D technology | ||
Intel® Quick Sync Video | ||
Max video memory | 64 GB | |
Processor graphics | Intel® UHD Graphics 630 | |
Graphics interfaces |
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Number of displays supported | 3 | |
Graphics image quality |
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4K resolution support | ||
Max resolution over DisplayPort | 4096x2304@60Hz | |
Max resolution over eDP | 4096x2304@60Hz | |
Max resolution over HDMI 1.4 | 4096x2304@24Hz | |
Graphics API support |
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DirectX | 12 | |
OpenGL | 4.5 | |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Package Size | 37.5mm x 37.5mm | |
Sockets supported | FCLGA1151 | FCLGA2066 |
Thermal Design Power (TDP) | 95 Watt | 140 Watt |
Thermal Solution | PCG 2015D (130W) | PCG 2017X |
Low Halogen Options Available | ||
Peripherals |
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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 |
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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 |
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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® Advanced Vector Extensions (AVX) | ||
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 | ||
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) |