Intel Core i7-7Y75 vs Intel Core i7-7820HK vs Intel Core i7-7600U

Intel Core i7-7Y75

► remove Intel 7Y75

The Intel Core i7-7Y75 is a very efficient dual-core SoC for tablets and passively cooled notebooks based on the Kaby Lake architecture and was announced in the end of August 2016. The CPU consists of two processor cores clocked at 1.3-3.6 GHz (2-core Turbo not specified yet). Thanks to Hyper Threading, the processor can execute up to four threads simultaneously. The chips also includes the Intel HD Graphics 615 GPU, a dual-channel memory controller (DDR3L/LPDDR3) as well as VP9 and H.265 video de- and encoder. It is still produced in a 14 nm process with FinFET transistors. 

Architecture

Intel basically used the familiar micro architecture from the Skylake generation, so the per-MHz performance is identical. Only the Speed-Shift technology for faster dynamic adjustments of the voltages and clocks was improved, and the matured 14 nm process now also enables much higher frequencies and better efficiency than before. 

Performance

Despite the changed designation, the Core i7-7Y75 is the successor to the Core m7-6Y75 (Skylake Y-series), so the chip does not reach the performance level of other Core i processors due to the lower TDP. Thanks to its high Turbo clock, the 7Y75 can sometimes keep up with the 15 Watt models for short peak load and single-thread scenarios, but the clocks will drop significantly under sustained workloads. The CPU is still suitable for many more demanding applications as well as multitasking. 

Graphics

The integrated Intel HD Graphics 615 GPU has 24 Execution Units (EUs) like the old HD Graphics 515 and runs with clocks between 300 and 1050 MHz in combination with this processor. The performance heavily depends on the TDP limit as well as the memory configuration; with fast LPDDR3-1866 RAM in dual-channel mode, the GPU should sometimes be able to compete with the HD Graphics 520, but can also be much slower in other scenarios. Modern games from 2016 will, if at all, only run smoothly in the lowest settings.

Contrary to Skylake, Kaby Lake now also supports hardware decoding for H.265/HEVC Main10 with a 10-bit color depth as well as Google's VP9 codec.

Power Consumption

The chip is manufactured in an improved 14 nm process with FinFET transistors, so the power efficiency was once again improved significantly. The typical TDP for the Y-series is specified at 4.5 Watts, and can be adjusted in both directions depending on the usage scenario.

Intel Core i7-7820HK

► remove Intel 7820HK

The Intel Core i7-7820HK is a fast quad-core processor for notebooks based on the Kaby Lake architecture and was announced in January 2017. It is the second fastest model of the consumer series at the time of the announcement. Only the i7-7920HQ and Xeon E3-1535M v6 are faster. Besides four cores including Hyper-Threading support running at 2.9 - 3.9 GHz (4 cores up to 3.5 GHz, 2 cores up to 3.7 GHz), the processor is also equipped with the HD Graphics 630 GPU as well as a dual-channel memory controller (DDR3L-1600/DDR4-2400). It is manufactured in a 14nm process with FinFET transistors.

Compared to the Core i7-7820HQ, the 7820HK lacks business features like vPro or TXT support.

Architecture

Intel basically uses the same micro architecture compared to Skylake, so the per-MHz performance does not differ. The manufacturer only reworked the Speed Shift technology for faster dynamic adjustments of voltages and clocks, and the improved 14nm process allows much higher frequencies combined with better efficiency than before.

Performance

Due to the higher clock speeds, the performance of the i7-7820HK is slightly faster than the old Skylake top model Core i7-6920HQ (2.9 - 3.8 GHz). The performance is sufficient even for very demanding tasks and on par with powerful desktop quad-core processors.

Graphics

The integrated Intel HD Graphics 630 has 24 Execution Units (similar to previous HD Graphics 530) running at 350 - 1100 MHz. The performance depends a lot on the memory configuration; it should be comparable to a dedicated Nvidia GeForce 920M in combination with fast DDR4-2133 dual-channel memory.

Contrary to Skylake, Kaby Lake now supports hardware decoding for H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The dual-core Kaby Lake processors, which were announced in January, should also support HDCP 2.2.

Power Consumption

The chip is manufactured in an improved 14nm process with FinFET transistors, which improves the efficiency even further. Intel still specifies the TDP with 45 Watts, but it can also be reduced to 35 Watts by the notebook manufacturers (cTDP down). This will obviously affect the performance, because the Turbo Boost cannot be maintained for longer periods.

Intel Core i7-7600U

► remove Intel 7600U

The Intel Core i7-7600U is a fast dual-core processor for notebooks based on the Kaby Lake architecture and was announced in January 2017. It integrates 2 CPU cores with Hyper-Threading support clocked at 2.8 - 3.9 GHz (2 core Turbo also 3.9 GHz). Besides two cores, the processor is also equipped with the HD Graphics 620 GPU as well as a dual-channel memory controller (DDR3L-1600/DDR4-2400). It is manufactured in a 14nm process with FinFET transistors.

Architecture

Intel basically uses the same micro architecture compared to Skylake, so the per-MHz performance does not differ. The manufacturer only reworked the Speed Shift technology for faster dynamic adjustments of voltages and clocks, and the improved 14nm process allows much higher frequencies combined with better efficiency than before.

Performance

With 2.5 to 3.9 GHz, the Core i7-7600U clocks significantly higher than the old Core i7-6500U (2.5 - 3.1). That means, the i7-7600U is (at the time of announcement in beginning of 2017) the fastest dual core processor for laptops. The performance is sufficient for demanding tasks (except some games that may need four real cores).

Graphics

The integrated Intel HD Graphics 620 has 24 Execution Units (similar to previous HD Graphics 520) running at 300 - 1150 MHz. The performance depends a lot on the memory configuration; it should be comparable to a dedicated Nvidia GeForce 920M in combination with fast DDR4-2133 dual-channel memory.

Contrary to Skylake, Kaby Lake now supports hardware decoding for H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The dual-core Kaby Lake processors, which were announced in January, should also support HDCP 2.2.

Power Consumption

The chip is manufactured in an improved 14nm process with FinFET transistors, which improves the efficiency even further. Intel still specifies the TDP with 15 Watts, but it can also be reduced to 7.5 Watts by the notebook manufacturers (cTDP down). This will obviously affect the performance, because the Turbo Boost cannot be maintained for longer periods.

Intel Core i7-7Y75Intel Core i7-7820HKIntel Core i7-7600U
Intel Core i7Intel Core i7Intel Core i7
Kaby LakeKaby LakeKaby Lake
: Core i7 Kaby Lake
Intel Core i7-7920HQ3100 - 4100 MHz4 / 88 MB
Intel Core i7-7820HQ2900 - 3900 MHz4 / 88 MB
Intel Core i7-7820HK2900 - 3900 MHz4 / 88 MB
Intel Core i7-7700HQ2800 - 3800 MHz4 / 86 MB
Intel Core i7-7567U3500 - 4000 MHz2 / 44 MB
Intel Core i7-7660U2500 - 4000 MHz2 / 44 MB
Intel Core i7-7600U2800 - 3900 MHz2 / 44 MB
Intel Core i7-7560U2400 - 3800 MHz2 / 44 MB
Intel Core i7-7500U2700 - 3500 MHz2 / 44 MB
» Intel Core i7-7Y751300 - 3600 MHz2 / 44 MB
Intel Core i7-7920HQ3100 - 4100 MHz4 / 88 MB
Intel Core i7-7820HQ2900 - 3900 MHz4 / 88 MB
» Intel Core i7-7820HK2900 - 3900 MHz4 / 88 MB
Intel Core i7-7700HQ2800 - 3800 MHz4 / 86 MB
Intel Core i7-7567U3500 - 4000 MHz2 / 44 MB
Intel Core i7-7660U2500 - 4000 MHz2 / 44 MB
Intel Core i7-7600U2800 - 3900 MHz2 / 44 MB
Intel Core i7-7560U2400 - 3800 MHz2 / 44 MB
Intel Core i7-7500U2700 - 3500 MHz2 / 44 MB
Intel Core i7-7Y751300 - 3600 MHz2 / 44 MB
Intel Core i7-7920HQ3100 - 4100 MHz4 / 88 MB
Intel Core i7-7820HQ2900 - 3900 MHz4 / 88 MB
Intel Core i7-7820HK2900 - 3900 MHz4 / 88 MB
Intel Core i7-7700HQ2800 - 3800 MHz4 / 86 MB
Intel Core i7-7567U3500 - 4000 MHz2 / 44 MB
Intel Core i7-7660U2500 - 4000 MHz2 / 44 MB
» Intel Core i7-7600U2800 - 3900 MHz2 / 44 MB
Intel Core i7-7560U2400 - 3800 MHz2 / 44 MB
Intel Core i7-7500U2700 - 3500 MHz2 / 44 MB
Intel Core i7-7Y751300 - 3600 MHz2 / 44 MB
1300 - 3600 MHz2900 - 3900 MHz2800 - 3900 MHz
128 KB256 KB128 KB
512 KB1 MB512 KB
4 MB8 MB4 MB
2 / 44 / 82 / 4
4.5 45 15
14 14 14
100 °C100 °C100 °C
BGABGA1356
Dual-Channel DDR3L-1600/LPDDR3-1866 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, vPro, TXTDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NIDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
iGPUIntel HD Graphics 615 (300 - 1050 MHz)Intel HD Graphics 630 (300 - 1150 MHz)Intel HD Graphics 620 (300 - 1150 MHz)
$393 U.S.$378 U.S.$393 U.S.
Intel Core i7 7Y75

Cinebench R15 - CPU Multi 64Bit
100%
7Y75 +
min: 236     avg: 251.3     median: 258 (6%)     max: 260 Points
min: 689     avg: 772.6     median: 770 (18%)     max: 867 Points
min: 242     avg: 338.5     median: 344 (8%)     max: 379 Points
Cinebench R15 - CPU Single 64Bit
100%
7Y75 +
min: 121     avg: 125.7     median: 126 (58%)     max: 130 Points
min: 156     avg: 162.7     median: 162 (74%)     max: 171 Points
min: 112     avg: 152.9     median: 161 (74%)     max: 164 Points
Cinebench R11.5 - CPU Multi 64Bit
100%
7Y75 +
2.9 Points (7%)
min: 8     avg: 8.6     median: 8 (18%)     max: 9 Points
min: 3     avg: 3.9     median: 3 (7%)     max: 4 Points
Cinebench R11.5 - CPU Single 64Bit
100%
7Y75 +
1.5 Points (75%)
1.8 Points (91%)
1.8 Points (90%)
Cinebench R10 - Rendering Single 32Bit
100%
7Y75 +
5496 Points (60%)
min: 6062     avg: 6230.6     median: 6182 (68%)     max: 6566 Points
min: 5145     avg: 6095.6     median: 6253 (68%)     max: 6316 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
100%
7Y75 +
9392 Points (14%)
min: 22793     avg: 23622.2     median: 23046 (35%)     max: 26081 Points
min: 11324     avg: 12622.4     median: 12482 (19%)     max: 15012 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
100%
7Y75 +
11682 Points (15%)
0 Points (0%)
0 Points (0%)
Cinebench R10 - Rendering Single CPUs 64Bit
100%
7Y75 +
6449 Points (62%)
0 Points (0%)
0 Points (0%)
wPrime 2.0x - 1024m *
100%
7Y75 +
618.9 seconds (7%)
min: 179     avg: 234.7     median: 214 (3%)     max: 330 seconds
min: 436     avg: 486.2     median: 480 (6%)     max: 555 seconds
wPrime 2.0x - 32m *
100%
7Y75 +
17.4 seconds (3%)
min: 6     avg: 10.4     median: 8 (2%)     max: 17 seconds
min: 12     avg: 15     median: 13 (3%)     max: 19 seconds
wPrime 1.55 - 1024m *
215.4 seconds (1%)
wPrime 1.55 - 32m *
17.8 seconds (9%)
WinRAR - Result
min: 5114     avg: 5134.5     median: 5134 (60%)     max: 5155 KB/s
min: 2333     avg: 2681     median: 2686 (32%)     max: 2976 KB/s
7-Zip 18.03 - 7z b 4
100%
7Y75 +
9657 MIPS (9%)
7-Zip 18.03 - 7z b 4 -mmt1
100%
7Y75 +
4617 MIPS (67%)
X264 HD Benchmark 4.0 - Pass 2
100%
7Y75 +
16 fps (0%)
min: 46     avg: 46.9     median: 46 (1%)     max: 47 fps
min: 19     avg: 22.4     median: 22 (1%)     max: 23 fps
X264 HD Benchmark 4.0 - Pass 1
100%
7Y75 +
91.2 fps (34%)
min: 177     avg: 178.8     median: 178 (66%)     max: 180 fps
min: 105     avg: 119.7     median: 121 (45%)     max: 130 fps
HWBOT x265 Benchmark v2.2 - 4k Preset
100%
7Y75 +
2 fps (7%)
TrueCrypt - Serpent Mean 100MB
0.2 GB/s (11%)
0.5 GB/s (24%)
0.2 GB/s (12%)
TrueCrypt - Twofish Mean 100MB
0.3 GB/s (11%)
0.7 GB/s (25%)
0.4 GB/s (14%)
TrueCrypt - AES Mean 100MB
100%
7Y75 +
2 GB/s (10%)
min: 3     avg: 4.2     median: 4 (20%)     max: 4 GB/s
2.4 GB/s (12%)
Blender 2.79 *
100%
7Y75 +
1920.6 Seconds (20%)
3DMark 06 - CPU
100%
7Y75 +
3309 Points (22%)
min: 7957     avg: 8098.3     median: 8038 (54%)     max: 8360 Points
min: 4570     avg: 4713.8     median: 4720 (32%)     max: 4844 Points
Super Pi mod 1.5 XS 1M *
100%
7Y75 +
10.7 Seconds (2%)
min: 9     avg: 9.6     median: 9 (2%)     max: 10 Seconds
min: 9     avg: 10.2     median: 9 (2%)     max: 13 Seconds
Super Pi mod 1.5 XS 2M *
100%
7Y75 +
24.5 Seconds (1%)
min: 20     avg: 21.7     median: 21 (1%)     max: 23 Seconds
min: 22     avg: 23.5     median: 22 (1%)     max: 30 Seconds
Super Pi Mod 1.5 XS 32M *
100%
7Y75 +
585.2 Seconds (3%)
min: 490     avg: 529     median: 535 (2%)     max: 550 Seconds
min: 506     avg: 551.5     median: 542 (2%)     max: 688 Seconds
3DMark Vantage - P CPU no PhysX 1280x1024
0 Points (0%)
12748 Points (18%)
3DMark 11 - Performance Physics 1280x720
100%
7Y75 +
min: 3347     avg: 3581.7     median: 3688 (19%)     max: 3710 points
min: 9542     avg: 10034     median: 10019 (51%)     max: 10523 points
min: 1706     avg: 4359.8     median: 4575 (24%)     max: 5004 points
3DMark - Ice Storm Standard Physics 1280x720
100%
7Y75 +
min: 34113     avg: 34680.5     median: 34680 (22%)     max: 35248 Points
min: 51307     avg: 53562.5     median: 52699 (34%)     max: 59600 Points
min: 23959     avg: 38587.3     median: 40889 (26%)     max: 50904 Points
3DMark - Ice Storm Extreme Physics 1920x1080
100%
7Y75 +
min: 31394     avg: 32948     median: 32948 (39%)     max: 34502 Points
min: 50796     avg: 53623.3     median: 52515 (63%)     max: 59482 Points
min: 28540     avg: 39426.3     median: 39313 (47%)     max: 48085 Points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
100%
7Y75 +
min: 35750     avg: 40104.3     median: 37884 (44%)     max: 46679 Points
min: 51327     avg: 54058.2     median: 52784 (61%)     max: 60127 Points
min: 45972     avg: 48807.4     median: 47780 (55%)     max: 52354 Points
3DMark - Cloud Gate Standard Physics 1280x720
100%
7Y75 +
min: 2706     avg: 2924     median: 2994 (8%)     max: 3072 Points
min: 7905     avg: 8140.8     median: 8001 (20%)     max: 9050 Points
min: 3334     avg: 3727.2     median: 3768 (10%)     max: 4114 Points
3DMark - Fire Strike Physics 1920x1080
100%
7Y75 +
min: 3838     avg: 4174     median: 4289 (13%)     max: 4395 Points
min: 11041     avg: 11380.8     median: 11174 (34%)     max: 12592 Points
min: 4806     avg: 5371.5     median: 5430 (17%)     max: 5929 Points
Geekbench 3 - 32 Bit Multi-Core Score
min: 14323     avg: 15088     median: 14476 (18%)     max: 16465 Points
min: 7427     avg: 7748.5     median: 7748 (10%)     max: 8070 Points
Geekbench 3 - 32 Bit Single-Core Score
min: 3718     avg: 4001.7     median: 3926 (81%)     max: 4361 Points
min: 3486     avg: 3693     median: 3693 (76%)     max: 3900 Points
Geekbench 3 - 64 Bit Multi-Core Score
14990 Points (40%)
8312 Points (22%)
Geekbench 3 - 64 Bit Single-Core Score
3885 Points (79%)
4080 Points (83%)
Geekbench 4.0 - Compute OpenCL Score
min: 165768     avg: 167709     median: 167709 (58%)     max: 169650 Points
32765 Points (11%)
Geekbench 4.0 - 64 Bit Multi-Core Score
min: 15042     avg: 15308.5     median: 15308 (51%)     max: 15575 Points
7978 Points (27%)
Geekbench 4.0 - 64 Bit Single-Core Score
min: 4867     avg: 4904.5     median: 4904 (82%)     max: 4942 Points
4272 Points (71%)
Geekbench 4.4 - 64 Bit Single-Core Score
min: 4841     avg: 4896.5     median: 4896 (77%)     max: 4952 Points
4386 Points (69%)
Geekbench 4.4 - 64 Bit Multi-Core Score
min: 15838     avg: 16001.5     median: 16001 (28%)     max: 16165 Points
8278 Points (14%)
Mozilla Kraken 1.1 - Total Score *
100%
7Y75 +
1468.2 ms (2%)
min: 901     avg: 2277.5     median: 984 (2%)     max: 7545 ms
min: 914     avg: 995     median: 944 (2%)     max: 1257 ms
Sunspider - 1.0 Total Score *
100%
7Y75 +
89.4 ms (1%)
min: 68     avg: 138.2     median: 71 (1%)     max: 400 ms
min: 62     avg: 65.2     median: 64 (1%)     max: 69 ms
Octane V2 - Total Score
100%
7Y75 +
min: 22300     avg: 24506     median: 24506 (47%)     max: 26712 Points
min: 35189     avg: 38765.6     median: 39000 (74%)     max: 40652 Points
min: 24529     avg: 35703.7     median: 37194 (71%)     max: 40798 Points
Power Consumption - Prime95 V28,10 Stress Power Consumption (external Monitor) ultra *
100%
1 7Y75 +
18.5 Watt (4%)
95%
1 7600U +
42.3 Watt (9%)
Power Consumption - Cinebench R15 Multi Power Consumption (external Monitor) ultra *
100%
1 7Y75 +
17.9 Watt (3%)
97%
1 7600U +
35.4 Watt (6%)

Average Benchmarks Intel Core i7-7Y75 → 100%

Average Benchmarks Intel Core i7-7820HK → 146%

Average Benchmarks Intel Core i7-7600U → 98%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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