Intel Core i7-6820HK
The Intel Core i7-6820HK is a quad-core processor based on the Skylake architecture, that has been launched in September 2015. In addition to four CPU cores with Hyper-Threading clocked at 2.7 - 3.6 GHz (4 cores: max. 3.2 GHz, 2 cores: max. 3.4 GHz), the chip also integrates an HD Graphics 530 GPU and a dual-channel DDR4-2133/DDR3L-1600 memory controller. The CPU is manufactured using a 14 nm process with FinFET transistors.
Currently, the i7-6820HK is the only Skylake chip with an unlocked multiplier for easy overclocking (similar to previous Extreme Editions).
Architecture
Skylake replaces both Haswell and Broadwell and brings the same microarchitecture in every TDP class from 4.5 to 45 W. The extensive improvements of the Skylake design include increased out-of-order buffers, optimized prefetching and branch prediction as well as additional performance gains through Hyper-Threading. Overall, however, performance per clock has been increased by only 5 to 10 percent (compared to Haswell) respectively under 5 percent (compard to Broadwell), which is quite modest for a new architecture ("Tock").
Performance
Tanks to the improved architecture, the Core i7-6820HK performs roughly on par with the former Core i7-4900MQ (Haswell) or the Core i7-5700HQ (Broadwell). Under long-lasting full load, the Skylake chip will take the lead over most of its Haswell-based predecessors, as the advanced 14 nm process leads to a higher energy efficiency and reduces throttling. If the 6820HK is overclocked (we've tested up to 4.0 GHz on all 4 cores), the performance will be even better.
Even the most demanding applications and excessive multitasking are handled easily.
Graphics
The integrated graphics unit called HD Graphics 530 represents the "GT2" version of the Skylake GPU (Intel Gen. 9). The 24 Execution Units, also called EUs, are clocked at 350 - 1050 MHz and offer a performance about 20 percent above the old HD Graphics 4600. Games of 2015 can thus be played smoothly in low or medium settings. For more information about performance and features, check our page for the HD Graphics 530.
Power Consumption
Specified at a TDP of 45 W (including CPU, GPU and memory controller), the CPU is best suited for bigger notebooks 15-inches in size and above. Optionally, the TDP can be lowered to 35 watts (cTDP down), reducing both heat dissipation and performance.
| Series | Intel Core i7 |
| Codename | Skylake |
| Series: Core i7 Skylake | |
| Clock Rate | 2700 - 3600 MHz |
| Level 1 Cache | 256 KB |
| Level 2 Cache | 1 MB |
| Level 3 Cache | 8 MB |
| Number of Cores / Threads | 4 / 8 |
| Power Consumption (TDP = Thermal Design Power) | 45 Watt |
| Manufacturing Technology | 14 nm |
| Die Size | 122 mm2 |
| Max. Temperature | 100 °C |
| Socket | BGA |
| Features | Dual-Channel DDR3L-1600/DDR4-2133 Memory Controller, AVX, AVX2, Quick Sync, Virtualization, AES-NI |
| GPU | Intel HD Graphics 530 (350 - 1050 MHz) |
| 64 Bit | 64 Bit support |
| Architecture | x86 |
| Starting Price | $378 U.S. |
| Announcement Date | 09/01/2015 |
| |
| Product Link (external) | Intel Core i7 6820HK |
Benchmarks
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 687 avg: 739 median: 709 (16%) max: 836 Points
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Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 134 avg: 154 median: 152 (56%) max: 172 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 7.7 avg: 8.1 median: 7.8 (16%) max: 9.24 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.58 avg: 1.8 median: 1.7 (55%) max: 1.94 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 5559 avg: 5776 median: 5653 (50%) max: 6405 points
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 20910 avg: 21774 median: 21165 (34%) max: 24966 points
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Intel Core i7-990X EE 2%
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 27271 avg: 27498 median: 27479.5 (26%) max: 27762 Points
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Intel Core i7-980X EE -2%
Intel Core i7-990X EE 1%
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 7217 avg: 7316 median: 7313 (52%) max: 7421 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 210.349 avg: 230 median: 224.6 (3%) max: 296.6 s
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VIA C3-M C3-M-1200 3578%
wPrime 2.10 - wPrime 2.0 32m *
min: 6.434 avg: 7.4 median: 7.3 (1%) max: 9.5 s
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min: 5314 avg: 5369 median: 5314 (34%) max: 5480 points
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X264 HD Benchmark 4.0 - x264 Pass 2
min: 43.9 avg: 45.1 median: 44.1 (20%) max: 50 fps
Intel Pentium 4 2.4 GHz -96%
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X264 HD Benchmark 4.0 - x264 Pass 1
min: 160.9 avg: 171 median: 165.9 (49%) max: 190 fps
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TrueCrypt - TrueCrypt Serpent
min: 0.311 avg: 0.4 median: 0.4 (17%) max: 0.477 GB/s
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TrueCrypt - TrueCrypt Twofish
min: 0.503 avg: 0.7 median: 0.7 (18%) max: 0.803 GB/s
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TrueCrypt - TrueCrypt AES
min: 2.1 avg: 3.9 median: 3.9 (14%) max: 4.6 GB/s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 7234 avg: 7601 median: 7410 (41%) max: 8697 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 9 avg: 10 median: 10.3 (2%) max: 10.627 s
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VIA C3-M C3-M-1200 4530%
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 20 avg: 22.3 median: 23 (1%) max: 23.386 s
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 486.718 avg: 532 median: 535.4 (2%) max: 572.498 s
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VIA C3-M C3-M-1200 4132%
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 26017 avg: 26256 median: 26272 (30%) max: 26478 Points
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Intel Xeon X5670 5%
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3DMark 11 - 3DM11 Performance Physics
min: 8220 avg: 9612 median: 9468 (35%) max: 10925 Points
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3DMark - 3DMark Ice Storm Physics
min: 43579 avg: 49276 median: 47533.5 (31%) max: 58061 Points
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3DMark - 3DMark Ice Storm Extreme Physics
min: 43592 avg: 49506 median: 47817 (51%) max: 56227 Points
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3DMark - 3DMark Ice Storm Unlimited Physics
min: 45688 avg: 49381 median: 47727 (49%) max: 55770 Points
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3DMark - 3DMark Cloud Gate Physics
min: 6663 avg: 7660 median: 7388 (19%) max: 8824 Points
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3DMark - 3DMark Fire Strike Standard Physics
min: 9695 avg: 10672 median: 10219 (26%) max: 12239 Points
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3DMark - 3DMark Time Spy CPU
4069 Points (28%)
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Geekbench 3 - Geekbench 3 32 Bit Multi-Core
13486 points (24%)
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Geekbench 3 - Geekbench 3 32 Bit Single-Core
3819 points (78%)
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Geekbench 3 - Geekbench 3 64 Bit Multi-Core
14128 points (22%)
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Geekbench 3 - Geekbench 3 64 Bit Single-Core
3983 points (81%)
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Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 923.2 avg: 1122 median: 966.6 (2%) max: 1631 ms
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Sunspider - Sunspider 1.0 Total Score *
min: 65.7 avg: 78.8 median: 69.8 (1%) max: 95.8 ms
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Octane V2 - Octane V2 Total Score
min: 16177 avg: 34771 median: 36903 (53%) max: 44322 Points
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
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