Intel Core i9-9940X vs Intel Core i9-7940X
Comparative analysis of Intel Core i9-9940X and Intel Core i9-7940X 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.
Differences
Reasons to consider the Intel Core i9-9940X
- CPU is newer: launch date 1 year(s) 0 month(s) later
- Around 2% higher clock speed: 4.40 GHz vs 4.30 GHz
- Around 6% better performance in PassMark - Single thread mark: 2632 vs 2491
- Around 8% better performance in PassMark - CPU mark: 28059 vs 25964
- Around 3% better performance in Geekbench 4 - Multi-Core: 13302 vs 12928
- Around 4% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 10950
Specifications (specs) | |
Launch date | October 2018 vs September 2017 |
Maximum frequency | 4.40 GHz vs 4.30 GHz |
Benchmarks | |
PassMark - Single thread mark | 2632 vs 2491 |
PassMark - CPU mark | 28059 vs 25964 |
Geekbench 4 - Multi-Core | 13302 vs 12928 |
3DMark Fire Strike - Physics Score | 11442 vs 10950 |
Reasons to consider the Intel Core i9-7940X
- Around 16% higher maximum core temperature: 102°C vs 88°C
- Around 1% better performance in Geekbench 4 - Single Core: 1153 vs 1140
Specifications (specs) | |
Maximum core temperature | 102°C vs 88°C |
Benchmarks | |
Geekbench 4 - Single Core | 1153 vs 1140 |
Compare benchmarks
CPU 1: Intel Core i9-9940X
CPU 2: Intel Core i9-7940X
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 i9-9940X | Intel Core i9-7940X |
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PassMark - Single thread mark | 2632 | 2491 |
PassMark - CPU mark | 28059 | 25964 |
Geekbench 4 - Single Core | 1140 | 1153 |
Geekbench 4 - Multi-Core | 13302 | 12928 |
3DMark Fire Strike - Physics Score | 11442 | 10950 |
Compare specifications (specs)
Intel Core i9-9940X | Intel Core i9-7940X | |
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Essentials |
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Architecture codename | Skylake | Skylake |
Launch date | October 2018 | September 2017 |
Place in performance rating | 698 | 745 |
Processor Number | i9-9940X | i9-7940X |
Series | Intel® Core™ X-series Processors | Intel® Core™ X-series Processors |
Status | Launched | Launched |
Vertical segment | Desktop | Desktop |
Launch price (MSRP) | $1,399 | |
Price now | $1,129.99 | |
Value for money (0-100) | 6.63 | |
Performance |
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64 bit support | ||
Base frequency | 3.30 GHz | 3.10 GHz |
Bus Speed | 8 GT/s DMI3 | 8 GT/s DMI3 |
L1 cache | 64K (per core) | 64 KB (per core) |
L2 cache | 1 MB (per core) | 1024 KB (per core) |
L3 cache | 19.25 MB (shared) | 19712 KB (shared) |
Manufacturing process technology | 14 nm | 14 nm |
Maximum core temperature | 88°C | 102°C |
Maximum frequency | 4.40 GHz | 4.30 GHz |
Number of cores | 14 | 14 |
Number of QPI Links | 0 | 0 |
Number of threads | 28 | 28 |
Unlocked | ||
Memory |
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Max memory channels | 4 | 4 |
Maximum memory size | 128 GB | 128 GB |
Supported memory types | DDR4-2666 | DDR4-2666 |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FCLGA2066 | FCLGA2066 |
Thermal Design Power (TDP) | 165 Watt | 165 Watt |
Thermal Solution | PCG 2017X | PCG 2017X |
Low Halogen Options Available | ||
Peripherals |
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Max number of PCIe lanes | 44 | 44 |
PCI Express revision | 3.0 | 3.0 |
Scalability | 1S Only | 1S Only |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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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® AVX-512 |
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 | 2 |
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |