Intel Core i9-11900KF vs Intel Core i9-7980XE
Comparative analysis of Intel Core i9-11900KF and Intel Core i9-7980XE 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, 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 i9-11900KF
- CPU is newer: launch date 3 year(s) 6 month(s) later
- Around 26% higher clock speed: 5.30 GHz vs 4.20 GHz
- Around 6% higher maximum core temperature: 100°C vs 94°C
- Around 32% lower typical power consumption: 125 Watt vs 165 Watt
- Around 43% better performance in PassMark - Single thread mark: 3556 vs 2481
Specifications (specs) | |
Launch date | 16 Mar 2021 vs September 2017 |
Maximum frequency | 5.30 GHz vs 4.20 GHz |
Maximum core temperature | 100°C vs 94°C |
Thermal Design Power (TDP) | 125 Watt vs 165 Watt |
Benchmarks | |
PassMark - Single thread mark | 3556 vs 2481 |
Reasons to consider the Intel Core i9-7980XE
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 10 more cores, run more applications at once: 18 vs 8
- 20 more threads: 36 vs 16
- 2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
- 9x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 55% more L3 cache; more data can be stored in the L3 cache for quick access later
- Around 20% better performance in PassMark - CPU mark: 30186 vs 25248
- Around 29% better performance in 3DMark Fire Strike - Physics Score: 10876 vs 8401
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Number of cores | 18 vs 8 |
Number of threads | 36 vs 16 |
L1 cache | 64 KB (per core) vs 512 KB |
L2 cache | 1024 KB (per core) vs 2 MB |
L3 cache | 25344 KB (shared) vs 16 MB |
Benchmarks | |
PassMark - CPU mark | 30186 vs 25248 |
3DMark Fire Strike - Physics Score | 10876 vs 8401 |
Compare benchmarks
CPU 1: Intel Core i9-11900KF
CPU 2: Intel Core i9-7980XE
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 i9-11900KF | Intel Core i9-7980XE |
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PassMark - Single thread mark | 3556 | 2481 |
PassMark - CPU mark | 25248 | 30186 |
3DMark Fire Strike - Physics Score | 8401 | 10876 |
Geekbench 4 - Single Core | 1177 | |
Geekbench 4 - Multi-Core | 16370 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 40.947 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 484.771 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 3.237 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.073 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 218.231 |
Compare specifications (specs)
Intel Core i9-11900KF | Intel Core i9-7980XE | |
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Essentials |
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Architecture codename | Rocket Lake | Skylake |
Launch date | 16 Mar 2021 | September 2017 |
Launch price (MSRP) | $513 - $524 | $1,999 |
Place in performance rating | 473 | 176 |
Processor Number | i9-11900KF | i9-7980XE |
Series | 11th Generation Intel Core i9 Processors | Intel® Core™ X-series Processors |
Status | Launched | Launched |
Vertical segment | Desktop | Desktop |
Price now | $2,005.50 | |
Value for money (0-100) | 4.08 | |
Performance |
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64 bit support | ||
Base frequency | 3.50 GHz | 2.60 GHz |
Bus Speed | 8 GT/s | 8 GT/s DMI3 |
L1 cache | 512 KB | 64 KB (per core) |
L2 cache | 2 MB | 1024 KB (per core) |
L3 cache | 16 MB | 25344 KB (shared) |
Manufacturing process technology | 14 nm | 14 nm |
Maximum core temperature | 100°C | 94°C |
Maximum frequency | 5.30 GHz | 4.20 GHz |
Number of cores | 8 | 18 |
Number of threads | 16 | 36 |
Number of QPI Links | 0 | |
Unlocked | ||
Memory |
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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 |
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Configurable TDP-down | 95 Watt | |
Configurable TDP-down Frequency | 3.00 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 |
Low Halogen Options Available | ||
Peripherals |
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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 |
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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 |
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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 |
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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) |