Intel Core i5-11600KF vs Intel Core i9-9940X
Comparative analysis of Intel Core i5-11600KF and Intel Core i9-9940X 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the Intel Core i5-11600KF
- CPU is newer: launch date 2 year(s) 5 month(s) later
- Around 11% higher clock speed: 4.90 GHz vs 4.40 GHz
- Around 14% higher maximum core temperature: 100°C vs 88°C
- Around 32% lower typical power consumption: 125 Watt vs 165 Watt
- Around 27% better performance in PassMark - Single thread mark: 3339 vs 2629
| Specifications (specs) | |
| Launch date | 16 Mar 2021 vs October 2018 |
| Maximum frequency | 4.90 GHz vs 4.40 GHz |
| Maximum core temperature | 100°C vs 88°C |
| Thermal Design Power (TDP) | 125 Watt vs 165 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 3339 vs 2629 |
Reasons to consider the Intel Core i9-9940X
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 8 more cores, run more applications at once: 14 vs 6
- 16 more threads: 28 vs 12
- 2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
- 9.3x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 60% more L3 cache; more data can be stored in the L3 cache for quick access later
- Around 43% better performance in PassMark - CPU mark: 27995 vs 19622
- Around 82% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 6273
| Specifications (specs) | |
| Unlocked | Unlocked vs Locked |
| Number of cores | 14 vs 6 |
| Number of threads | 28 vs 12 |
| L1 cache | 64K (per core) vs 384 KB |
| L2 cache | 1 MB (per core) vs 1.5 MB |
| L3 cache | 19.25 MB (shared) vs 12 MB |
| Benchmarks | |
| PassMark - CPU mark | 27995 vs 19622 |
| 3DMark Fire Strike - Physics Score | 11442 vs 6273 |
Compare benchmarks
CPU 1: Intel Core i5-11600KF
CPU 2: Intel Core i9-9940X
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| 3DMark Fire Strike - Physics Score |
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| Name | Intel Core i5-11600KF | Intel Core i9-9940X |
|---|---|---|
| PassMark - Single thread mark | 3339 | 2629 |
| PassMark - CPU mark | 19622 | 27995 |
| 3DMark Fire Strike - Physics Score | 6273 | 11442 |
| Geekbench 4 - Single Core | 1140 | |
| Geekbench 4 - Multi-Core | 13302 |
Compare specifications (specs)
| Intel Core i5-11600KF | Intel Core i9-9940X | |
|---|---|---|
Essentials |
||
| Architecture codename | Rocket Lake | Skylake |
| Launch date | 16 Mar 2021 | October 2018 |
| Launch price (MSRP) | $237 - $247 | |
| Place in performance rating | 661 | 679 |
| Processor Number | i5-11600KF | i9-9940X |
| Series | 11th Generation Intel Core i5 Processors | Intel® Core™ X-series Processors |
| Status | Launched | Launched |
| Vertical segment | Desktop | Desktop |
Performance |
||
| 64 bit support | ||
| Base frequency | 3.90 GHz | 3.30 GHz |
| Bus Speed | 8 GT/s | 8 GT/s DMI3 |
| L1 cache | 384 KB | 64K (per core) |
| L2 cache | 1.5 MB | 1 MB (per core) |
| L3 cache | 12 MB | 19.25 MB (shared) |
| Manufacturing process technology | 14 nm | 14 nm |
| Maximum core temperature | 100°C | 88°C |
| Maximum frequency | 4.90 GHz | 4.40 GHz |
| Number of cores | 6 | 14 |
| Number of threads | 12 | 28 |
| Number of QPI Links | 0 | |
| Unlocked | ||
Memory |
||
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 50 GB/s | |
| Maximum memory size | 128 GB | 128 GB |
| Supported memory types | DDR4-3200 | DDR4-2666 |
Compatibility |
||
| Configurable TDP-down | 95 Watt | |
| Configurable TDP-down Frequency | 3.60 GHz | |
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 37.5 mm x 37.5 mm | |
| Sockets supported | FCLGA1200 | FCLGA2066 |
| Thermal Design Power (TDP) | 125 Watt | 165 Watt |
| Thermal Solution | PCG 2019A | PCG 2017X |
Peripherals |
||
| Max number of PCIe lanes | 20 | 44 |
| PCI Express revision | 4.0 | 3.0 |
| PCIe configurations | Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 | |
| Scalability | 1S Only | 1S Only |
Security & Reliability |
||
| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| 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 AVX-512 | 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® Thermal Velocity Boost | ||
| Intel® Turbo Boost technology | ||
| Thermal Monitoring | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Number of AVX-512 FMA Units | 2 | |
Virtualization |
||
| 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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