Intel Core i5-8600K vs Intel Core i7-11700K
Intel Core i5-8600K
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The Intel Core i5-8600K is a high-end desktop processor with six cores based on the Coffee Lake architecture and was announced in September 2017. The processor clocks at between 3.6 and 4.3 GHz and can execute up to six threads simultaneously (no HyperThreading). According to Intel, the CPU is manufactured in an improved 14nm (14nm++) process. The i5-8600K is comparatively easy to overclock thanks to the unlocked multiplier.
Performance
Due to the two additional cores, performance has increased significantly compared to the Core i7-7700K when all cores are in use. Single-core performance has not improved since its Kaby Lake predecessor. As a high-end model, the i5-8600K is suitable for the most demanding applications and games.
Graphics
The integrated Intel UHD Graphics 630 iGPU is basically identical to the previous generation Intel HD Graphics 630. Only some low demanding games are playable with this graphics card (see GPU page linked above).
Power Consumption
Intel specifies the TDP with 95 watts. Therefore, well-dimensioned cooling systems should easily manage to deal with the created heat. We expect increased efficiency due to the higher performance.
Intel Core i7-11700K
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The Intel Core i7-11700K is a high-end desktop CPU based on the Rocket Lake architecture. The CPU offers 8 cores and 16 threads clocked at 3.6 - 4.9 GHz. The TDP is rated at 125 Watt (PL1, power limit sustained load) but the PL2 is set to around 250 Watt for short term boosts (up to 56 seconds).
The Sunny Cove processor cores (known from the Ice Lake mobile CPUs) offer larger caches and an improved IPC (up to 19%). Furthermore, the chip also includes (partly) integrated WiFi 6E and Thunderbolt 4. The platform supports PCIe 4.0 and Intel DL Boost for AI acceleration.
The faster Rocket Lake-S CPUs also integrate a new Intel UHD Graphics 750 that is based on the current Intel Xe architecture (e.g. mobile Tiger Lake).
The CPU is manufactured on an old 14 nm process like the Comet Lake predecessors.
| Model | Intel Core i5-8600K | Intel Core i7-11700K | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Codename | Coffee Lake-S | Rocket Lake | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Intel Coffee Lake | Intel Rocket Lake | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Rocket Lake Rocket Lake |
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| Clock | 3600 - 4300 MHz | 3600 - 5000 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 384 KB | 640 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 1.5 MB | 4 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 9 MB | 16 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 6 / 6 | 8 / 16 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| TDP | 95 Watt | 125 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Technology | 14 nm | 14 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Socket | FCLGA1151 | LGA1200 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | Dual-Channel DDR3(L)-1600/DDR4-2666 Memory Controller, HyperThreading, AVX, AVX2, AES-NI, TSX-NI, Quick Sync, Virtualization, vPro | DDR4-3200 RAM, PCIe 4, 8 GT/s bus, DL Boost, GNA, vPro, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, VMX, SMX, SMEP, SMAP, MPX, EIST, TM1, TM2, HT, Turbo, SST, AES-NI, RDRAND, RDSEED, SHA | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | Intel UHD Graphics 630 (350 - 1150 MHz) | Intel UHD Graphics Xe 750 32EUs (Rocket Lake) (350 - 1300 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | ark.intel.com | ark.intel.com | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| max. Temp. | 100 °C |
Benchmarks
Average Benchmarks Intel Core i5-8600K → 100% n=21
Average Benchmarks Intel Core i7-11700K → 160% n=21
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
