Intel Core i5-9400T vs Intel Core i7-7800X
Comparative analysis of Intel Core i5-9400T and Intel Core i7-7800X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Peripherals. 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 i5-9400T
- CPU is newer: launch date 1 year(s) 3 month(s) later
- Around 9% more L3 cache; more data can be stored in the L3 cache for quick access later
- 4x lower typical power consumption: 35 Watt vs 140 Watt
Launch date | September 2018 vs June 2017 |
L3 cache | 9 MB (shared) vs 8448 KB (shared) |
Thermal Design Power (TDP) | 35 Watt vs 140 Watt |
Reasons to consider the Intel Core i7-7800X
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 122% higher clock speed: 4.00 GHz vs 1.8 GHz
- Around 13% better performance in PassMark - Single thread mark: 2389 vs 2113
- Around 54% better performance in PassMark - CPU mark: 12872 vs 8345
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Maximum frequency | 4.00 GHz vs 1.8 GHz |
Benchmarks | |
PassMark - Single thread mark | 2389 vs 2113 |
PassMark - CPU mark | 12872 vs 8345 |
Compare benchmarks
CPU 1: Intel Core i5-9400T
CPU 2: Intel Core i7-7800X
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | Intel Core i5-9400T | Intel Core i7-7800X |
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PassMark - Single thread mark | 2113 | 2389 |
PassMark - CPU mark | 8345 | 12872 |
Geekbench 4 - Single Core | 1109 | |
Geekbench 4 - Multi-Core | 6640 | |
3DMark Fire Strike - Physics Score | 6534 |
Compare specifications (specs)
Intel Core i5-9400T | Intel Core i7-7800X | |
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Essentials |
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Architecture codename | Coffee Lake | Skylake |
Launch date | September 2018 | June 2017 |
Place in performance rating | 1152 | 1153 |
Vertical segment | Desktop | Desktop |
Launch price (MSRP) | $416 | |
Price now | $378.99 | |
Processor Number | i7-7800X | |
Series | Intel® Core™ X-series Processors | |
Status | Launched | |
Value for money (0-100) | 11.29 | |
Performance |
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64 bit support | ||
L1 cache | 64K (per core) | 64 KB (per core) |
L2 cache | 256K (per core) | 256 KB (per core) |
L3 cache | 9 MB (shared) | 8448 KB (shared) |
Manufacturing process technology | 14 nm | 14 nm |
Maximum case temperature (TCase) | 72 °C | 72 °C |
Maximum frequency | 1.8 GHz | 4.00 GHz |
Number of cores | 6 | 6 |
Base frequency | 3.50 GHz | |
Bus Speed | 8 GT/s DMI3 | |
Maximum core temperature | 100°C | |
Number of QPI Links | 0 | |
Number of threads | 12 | |
Unlocked | ||
Memory |
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Supported memory types | DDR4 | DDR4-2400 |
Max memory channels | 4 | |
Maximum memory size | 128 GB | |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Thermal Design Power (TDP) | 35 Watt | 140 Watt |
Low Halogen Options Available | ||
Sockets supported | FCLGA2066 | |
Thermal Solution | PCG 2017X | |
Security & Reliability |
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Intel® Trusted Execution technology (TXT) | ||
Execute Disable Bit (EDB) | ||
Advanced Technologies |
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Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
Enhanced Intel SpeedStep® technology | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | |
Intel 64 | ||
Intel® Hyper-Threading technology | ||
Intel® Optane™ Memory Supported | ||
Intel® Turbo Boost technology | ||
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) | ||
Peripherals |
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Max number of PCIe lanes | 28 | |
PCI Express revision | 3.0 | |
Scalability | 1S Only |