Intel Core i7-5820K vs Intel Core i7-6800K
Better figure, where one is clearly better
| IntelCore i7-5820K | IntelCore i7-6800K | |
|---|---|---|
| Overview | ||
| Released | August 2014 | May 2016 |
| Cores and clocks | ||
| Cores | 6 | 6 |
| Threads | 12 | 12 |
| Base clock | 3.3 GHz | 3.4 GHz |
| Boost clock | 3.6 GHz | 3.8 GHz (better) |
| L3 cache | 15 MB | 15 MB |
| Cores | Haswell-E; six cores with Hyper-Threading; unlocked multiplier and lack of integrated graphics confirmed by exact-model reviews | Broadwell-E; 6 cores with Hyper-Threading. The unlocked multiplier is confirmed by the exact-model reviews. |
| Clocks | – | Turbo Boost Max 3.0 up to 3.80 GHz on the preferred core; ordinary Turbo Boost 2.0 up to 3.60 GHz. The main boost field uses Intel’s highest published frequency. May availability follows Tom’s Hardware’s 31 May 2016 report, attributing immediate sale of all four models to Intel. Intel’s family record is dated 30 May and ARK gives Q2 2016; the announcement day is not treated as an exact first-sale day. |
| Graphics and AI | ||
| Built-in graphics | No | No |
| Graphics | – | No processor graphics, confirmed by Intel’s exact-model comparison-chart row; a separate graphics solution is required. |
| Platform | ||
| Socket | LGA2011-v3 | LGA2011-v3 |
| Base power | 140 W | 140 W |
| Unlocked | Yes | Yes |
| Cooler in the box | No | No |
| Memory support | Up to 64 GB; four channels; DDR4-1600/1866/2133; maximum bandwidth 68 GB/s; no ECC support | Up to 128 GB; four channels of DDR4-2133/2400; no ECC. |
| PCIe | 28 CPU lanes; PCIe 3.0 | 28 CPU lanes; PCIe 3.0 |
| Chipsets | X99 and LGA2011-v3, as distinguished by Intel's Core i7 comparison chart and exact-model reviews. August release month follows Intel's 29 August family availability notice and contemporary exact-model stock coverage; an exact maker-SKU first-sale day was not established. | X99 and LGA2011-v3, distinguished by Intel’s exact-model comparison chart and the reviews. Current ARK abbreviates the socket as FCLGA2011; this is not compatible with the older X79 LGA2011 platform. |
| Process | 22 nm; package size 52.5 × 45 mm | 14 nm; Broadwell-E. |
| Cooler | Intel explicitly excludes a fan and heatsink from the boxed product; a separate cooler is required | Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required. |
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