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Intel Core i7-6820HK vs Intel Core i7-6600U

Intel Core i7-6820HK

► remove from comparison Intel 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.

Intel Core i7-6600U

► remove from comparison Intel 6600U

The Intel Core i7-6600U is an ULV (ultra low voltage) dual-core SoC based on the Skylake architecture. In September 2015, it's the fastest CPU of the 15 W series, which can be found in ultrabooks as well as normal notebooks. In addition to two CPU cores with Hyper-Threading clocked at 2.6 - 3.4 GHz (2 cores: max. 3.2 GHz), the chip also integrates an HD Graphics 520 GPU and a dual-channel DDR4-2133/DDR3L-1600 memory controller. The SoC is manufactured using a 14 nm process with FinFET transistors.

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

According to the specified clock rates and the improved architecture, the Core i7-6600U should perform similar to a Core i5-4310M (Haswell, 37 W) and is one of the fastest ULV dual-cores as of late 2015. Thus, the CPU has sufficient power for office and multimedia purposes as well as more demanding applications and multitasking.

Graphics

The integrated graphics unit called HD Graphics 520 represents the "GT2" version of the Skylake GPU (Intel Gen. 9). The 24 Execution Units, also called EUs, are clocked at 300 - 1050 MHz and offer a performance somewhere in range of a dedicated GeForce 820M. Games of 2015 can thus be played smoothly in low settings. For more information about performance and features, check our page for the HD Graphics 520.

Power Consumption

Specified at a TDP of 15 W (including CPU, GPU and memory controller), the CPU is best suited for small notebooks and ultrabooks (11-inches and above). Optionally, the TDP can be lowered to 7.5 watts (cTDP down), reducing both heat dissipation and performance and allowing even more compact designs.

Intel Core i7-6820HKIntel Core i7-6600U
Intel Core i7Intel Core i7
SkylakeSkylake
Series: Core i7 Skylake
Intel Core i7-6920HQ compare2.9 - 3.8 GHz4 / 88 MB
Intel Core i7-6970HQ compare2.8 - 3.7 GHz4 / 88 MB
Intel Core i7-6870HQ compare2.7 - 3.6 GHz4 / 88 MB
» Intel Core i7-6820HK2.7 - 3.6 GHz4 / 88 MB
Intel Core i7-6820HQ compare2.7 - 3.6 GHz4 / 88 MB
Intel Core i7-6770HQ compare2.6 - 3.5 GHz4 / 86 MB
Intel Core i7-6700HQ compare2.6 - 3.5 GHz4 / 86 MB
Intel Core i7-6567U compare3.3 - 3.6 GHz2 / 44 MB
Intel Core i7-6600U2.6 - 3.4 GHz2 / 44 MB
Intel Core i7-6650U compare2.2 - 3.4 GHz2 / 44 MB
Intel Core i7-6560U compare2.2 - 3.2 GHz2 / 44 MB
Intel Core i7-6500U compare2.5 - 3.1 GHz2 / 44 MB
Intel Core i7-6920HQ compare2.9 - 3.8 GHz4 / 88 MB
Intel Core i7-6970HQ compare2.8 - 3.7 GHz4 / 88 MB
Intel Core i7-6870HQ compare2.7 - 3.6 GHz4 / 88 MB
Intel Core i7-6820HK2.7 - 3.6 GHz4 / 88 MB
Intel Core i7-6820HQ compare2.7 - 3.6 GHz4 / 88 MB
Intel Core i7-6770HQ compare2.6 - 3.5 GHz4 / 86 MB
Intel Core i7-6700HQ compare2.6 - 3.5 GHz4 / 86 MB
Intel Core i7-6567U compare3.3 - 3.6 GHz2 / 44 MB
» Intel Core i7-6600U2.6 - 3.4 GHz2 / 44 MB
Intel Core i7-6650U compare2.2 - 3.4 GHz2 / 44 MB
Intel Core i7-6560U compare2.2 - 3.2 GHz2 / 44 MB
Intel Core i7-6500U compare2.5 - 3.1 GHz2 / 44 MB
2700 - 3600 MHz2600 - 3400 MHz
256 KB128 KB
1 MB512 KB
8 MB4 MB
4 / 82 / 4
45 15
14 14
122 mm299 mm2
100 °C100 °C
BGABGA
Dual-Channel DDR3L-1600/DDR4-2133 Memory Controller, AVX, AVX2, Quick Sync, Virtualization, AES-NIDual-Channel DDR3L-1600/DDR4-2133 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, vPro, TXT
iGPUIntel HD Graphics 530 (350 - 1050 MHz)Intel HD Graphics 520 (300 - 1050 MHz)
Architecturex86x86
$378 U.S.$393 U.S.
Intel Core i7 6820HKIntel Core i7 6600U

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 687     avg: 739     median: 709 (16%)     max: 836 Points
min: 306     avg: 324     median: 321 (7%)     max: 348 Points
020406080100120140160180200220240260280300320211.11242.12203.68240.53209.79210.67208.28210.71211.11243.02210.62208.11207.35208.31207.75206.82240.67210.17210.36206.62206.87207.59208.11239.41239.34210.31209.95210.9243.3209.13203.03203.92202.94204.03207.38208.23207.75207.92242.42203.65203.73204.13204.33204.39203.61207.35243.18210.54203.71199.29316.73308.41307.42308.3312.3310.71310.08310.4310.6310.54308.19310.28310.53309.53310.95310.34310.09311.01310.02308.19321312.43312.31313.08312.77312.81313.16313.92311.9313.27324.66318.15319.12319.83319.95320.72317.16319.89318.22319.24319.48316.27Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 134     avg: 154     median: 152 (56%)     max: 172 Points
min: 118     avg: 137     median: 141 (52%)     max: 144 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 7.7     avg: 8.1     median: 7.8 (16%)     max: 9.24 Points
min: 3.25     avg: 3.6     median: 3.6 (7%)     max: 3.84 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.58     avg: 1.8     median: 1.7 (55%)     max: 1.94 Points
min: 1.19     avg: 1.6     median: 1.6 (51%)     max: 1.63 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 5559     avg: 5776     median: 5653 (50%)     max: 6405
min: 3260     avg: 5259     median: 5298 (47%)     max: 7045
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 20910     avg: 21774     median: 21165 (34%)     max: 24966
min: 9140     avg: 11541     median: 11320 (18%)     max: 14948
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 27271     avg: 27498     median: 27479.5 (26%)     max: 27762 Points
min: 14391     avg: 14724     median: 14412 (14%)     max: 15369 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 7217     avg: 7316     median: 7313 (52%)     max: 7421 Points
min: 6863     avg: 7593     median: 6890 (49%)     max: 9027 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 210.349     avg: 230     median: 224.6 (3%)     max: 296.6 s
min: 447.319     avg: 503     median: 509.2 (6%)     max: 525.775 s
wPrime 2.10 - wPrime 2.0 32m *
min: 6.434     avg: 7.4     median: 7.3 (1%)     max: 9.5 s
min: 14.079     avg: 15.3     median: 14.7 (3%)     max: 19.264 s
WinRAR - WinRAR 4.0
min: 5314     avg: 5369     median: 5314 (34%)     max: 5480
min: 2264     avg: 2450     median: 2449.5 (16%)     max: 2635
X264 HD Benchmark 4.0 - x264 Pass 2
min: 43.9     avg: 45.1     median: 44.1 (20%)     max: 50 fps
min: 19.52     avg: 20.8     median: 20 (9%)     max: 22.62 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 160.9     avg: 171     median: 165.9 (49%)     max: 190 fps
min: 103.7     avg: 111     median: 109 (32%)     max: 120.37 fps
TrueCrypt - TrueCrypt Serpent
min: 0.311     avg: 0.4     median: 0.4 (17%)     max: 0.477 GB/s
min: 0.193     avg: 0.2     median: 0.2 (8%)     max: 0.201 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.503     avg: 0.7     median: 0.7 (18%)     max: 0.803 GB/s
min: 0.317     avg: 0.3     median: 0.3 (9%)     max: 0.343 GB/s
TrueCrypt - TrueCrypt AES
min: 2.1     avg: 3.9     median: 3.9 (14%)     max: 4.6 GB/s
min: 1.9     avg: 1.9     median: 1.9 (7%)     max: 2 GB/s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 7234     avg: 7601     median: 7410 (41%)     max: 8697 Points
min: 4107     avg: 4334     median: 4333.5 (24%)     max: 4560 Points
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
min: 10.905     avg: 11.1     median: 11.1 (2%)     max: 11.345 s
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
min: 24.753     avg: 25.2     median: 25.1 (1%)     max: 26.034 s
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
min: 558.339     avg: 578     median: 572.4 (3%)     max: 609.647 s
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 26017     avg: 26256     median: 26272 (30%)     max: 26478 Points
12712 Points (15%)
3DMark 11 - 3DM11 Performance Physics
min: 8220     avg: 9612     median: 9468 (35%)     max: 10925 Points
min: 4034     avg: 4479     median: 4606.5 (17%)     max: 4780 Points
3DMark - 3DMark Ice Storm Physics
min: 43579     avg: 49276     median: 47533.5 (31%)     max: 58061 Points
min: 31340     avg: 38138     median: 37127 (24%)     max: 42543 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 43592     avg: 49506     median: 47817 (51%)     max: 56227 Points
min: 26121     avg: 37420     median: 39364 (42%)     max: 42164 Points
3DMark - 3DMark Ice Storm Unlimited Physics
min: 45688     avg: 49381     median: 47727 (49%)     max: 55770 Points
min: 42770     avg: 43159     median: 43159 (45%)     max: 43548 Points
3DMark - 3DMark Cloud Gate Physics
min: 6663     avg: 7660     median: 7388 (19%)     max: 8824 Points
min: 3073     avg: 3543     median: 3569 (9%)     max: 3745 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 9695     avg: 10672     median: 10219 (26%)     max: 12239 Points
min: 4279     avg: 5086     median: 5134.5 (13%)     max: 5344 Points
3DMark - 3DMark Time Spy CPU
100%
1 6820HK +
4069 Points (28%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
13486 (24%)
min: 6303     avg: 6693     median: 6692.5 (12%)     max: 7082
Geekbench 3 - Geekbench 3 32 Bit Single-Core
3819 (78%)
min: 3060     avg: 3222     median: 3222 (66%)     max: 3384
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
14128 (22%)
min: 6618     avg: 7032     median: 7031.5 (11%)     max: 7445
Geekbench 3 - Geekbench 3 64 Bit Single-Core
3983 (81%)
min: 3191     avg: 3369     median: 3369 (69%)     max: 3547
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 923.2     avg: 1122     median: 966.6 (2%)     max: 1631 ms
min: 1030.1     avg: 1601     median: 1047.6 (2%)     max: 3827 ms
Sunspider - Sunspider 1.0 Total Score *
min: 65.7     avg: 78.8     median: 69.8 (1%)     max: 95.8 ms
min: 77.3     avg: 138     median: 134.4 (1%)     max: 205 ms
Octane V2 - Octane V2 Total Score
min: 16177     avg: 34771     median: 36903 (53%)     max: 44322 Points
min: 8244     avg: 28548     median: 32986 (48%)     max: 35045 Points
Power Consumption - Prime95 Power Consumption - external Monitor *
100%
1 6600U +
28.9 Watt (8%)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
100%
1 6600U +
26.2 Watt (7%)

Average Benchmarks Intel Core i7-6820HK → 100% n=34

Average Benchmarks Intel Core i7-6600U → 72% n=34

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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v1.16
log 20. 08:56:47

#0 checking url part for id 6974 +0s ... 0s

#1 checking url part for id 6969 +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Thu, 17 Jun 2021 13:08:09 +0200 +0s ... 0s

#4 composed specs +0.016s ... 0.017s

#5 did output specs +0s ... 0.017s

#6 getting avg benchmarks for device 6974 +0.001s ... 0.018s

#7 got single benchmarks 6974 +0.062s ... 0.079s

#8 getting avg benchmarks for device 6969 +0.001s ... 0.08s

#9 got single benchmarks 6969 +0.031s ... 0.111s

#10 got avg benchmarks for devices +0s ... 0.111s

#11 min, max, avg, median took s +0.105s ... 0.217s

#12 return log +0.004s ... 0.22s

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Redaktion, 2017-09- 8 (Update: 2017-09-11)