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Intel Core i7-7660U vs Intel Pentium Gold 4415U

Intel Core i7-7660U

► remove from comparison Intel i7-7660U

The Intel Core i7-7660U is a fast dual-core SoC for notebooks and Ultrabooks based on the Kaby Lake architecture and was announced in January 2017. The CPU has two processor cores clocked at 2.5-4 GHz (two cores up to 3.8 GHz). The processor can execute up to four threads simultaneously thanks to Hyper Threading. It is also equipped with an Intel Iris Plus Graphics 640 GPU with 64 MB eDRAm, a dual-channel memory controller (DDR4) as well as VP9 and H.265 video decoding as well as encoding. The chip is still manufactured in a 14nm process with FinFET transistors.

Compared to the Core i7-7600U, the 7660 does have a higher single-core Turbo of 4 GHz (+100 MHz), but a lower dual-core Turbo (-100 MHz) and a lower base frequency (-300 MHz). However, the CPU part can also use the 64 MB eDRAM as L5 cache.

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

At 2.5-4 GHz, the Core i7-7660U has a slightly lower frequency (except for the single-core Turbo) compared to the Core i7-7600U, but the CPU part can also use the 64 MB eDRAM, so the performance should be similar.

Graphics

The integrated Intel Iris Plus 640 Graphics is the GT3e model of the Kaby Lake GPU (Intel Gen. 9.5). It has 48 Execution Units running at 300-1050 MHz and the performance is comparable to a GeForce 920MX thanks to fast eDRAM cache. However, there aren't any significant improvements compared to the old Iris Pro 540, so modern games can often not be played smoothly or only at the lowest or medium settings, respectively.

Contrary to Skylake, Kaby lake now also supports H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The dual-core Kaby Lake processors 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, which is typical for ULV chips. Depending on the usage scenario, the TDP can vary between 7.5 (cTDP Down) and 25 Watts.

Intel Pentium Gold 4415U

► remove from comparison Intel Pentium 4415U

The Intel Pentium 4415U is an ULV (ultra low voltage) dual-core SoC based on the Kaby-Lake architecture and has been launched in the first quarter of 2017. The CPU can be found in ultrabooks as well as normal notebooks. In addition to two CPU cores with Hyper-Threading clocked at 2.3 GHz (no Turbo Boost), the chip also integrates an HD Graphics 610 GPU and a dual-channel DDR4-2133/DDR3L-1600 memory controller. The SoC is manufactured using a 14 nm 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

Compared to the more expensive Core i3-7100U, the 4415U offers a similar CPU performance (2.3 versus 2.4 GHz) and less level 3 cache but a slower integrated graphics card. Still, the CPU has sufficient power for office and multimedia purposes as well as somewhat more demanding applications.

Graphics

The integrated graphics unit called HD Graphics 610 (similar to the HD Graphics 510) represents the "GT1" version of the Kaby Lake GPU (Intel Gen. 9). Its 12 Execution Units, also called EUs, are clocked at 300 - 950 MHz and offer a performance somewhat below the older HD Graphics 4400. Only a few games of 2015 can be played smoothly in lowest settings.

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 10 watts (cTDP down), reducing both heat dissipation and performance and allowing even more compact designs.

Intel Core i7-7660UIntel Pentium Gold 4415U
Intel Kaby LakeIntel Kaby Lake
Kaby LakeKaby Lake
Series: Kaby Lake Kaby Lake
Intel Core i7-7700K compare4.2 - 4.5 GHz4 / 88 MB
Intel Core i7-7700 compare3.6 - 4.2 GHz4 / 88 MB
Intel Xeon E3-1535M v6 compare3.1 - 4.2 GHz4 / 88 MB
Intel Core i7-7920HQ compare3.1 - 4.1 GHz4 / 88 MB
Intel Core i7-7700T compare2.9 - 3.8 GHz4 / 88 MB
Intel Core i5-7600K compare3.8 - 4.2 GHz4 / 48 MB
Intel Xeon E3-1505M v6 compare3 - 4 GHz4 / 88 MB
Intel Core i7-7820HQ compare2.9 - 3.9 GHz4 / 88 MB
Intel Core i7-7820HK compare2.9 - 3.9 GHz4 / 88 MB
Intel Core i7-7700HQ compare2.8 - 3.8 GHz4 / 86 MB
Intel Core i5-7500 compare3.4 - 3.8 GHz4 / 46 MB
Intel Core i5-7440HQ compare2.8 - 3.8 GHz4 / 46 MB
Intel Core i7-7567U compare3.5 - 4 GHz2 / 44 MB
» Intel Core i7-7660U2.5 - 4 GHz2 / 44 MB
Intel Core i7-7600U compare2.8 - 3.9 GHz2 / 44 MB
Intel Core i5-7300HQ compare2.5 - 3.5 GHz4 / 46 MB
Intel Core i5-7500T compare2.7 - 3.3 GHz4 / 46 MB
Intel Core i5-7287U compare3.3 - 3.7 GHz2 / 44 MB
Intel Core i7-7560U compare2.4 - 3.8 GHz2 / 44 MB
Intel Core i5-7267U compare3.1 - 3.5 GHz2 / 44 MB
Intel Core i5-7360U compare2.3 - 3.6 GHz2 / 44 MB
Intel Core i7-7500U compare2.7 - 3.5 GHz2 / 44 MB
Intel Core i5-7300U compare2.6 - 3.5 GHz2 / 43 MB
Intel Core i5-7260U compare2.2 - 3.4 GHz2 / 44 MB
Intel Core i5-7200U compare2.5 - 3.1 GHz2 / 43 MB
Intel Core i3-7100H compare3 GHz2 / 43 MB
Intel Core i3-7167U compare2.8 GHz2 / 43 MB
Intel Core i3-7130U compare2.7 GHz2 / 43 MB
Intel Core i7-7Y75 compare1.3 - 3.6 GHz2 / 44 MB
Intel Core i5-7Y57 compare1.2 - 3.3 GHz2 / 44 MB
Intel Core i5-7Y54 compare1.2 - 3.2 GHz2 / 44 MB
Intel Core i3-7100U compare2.4 GHz2 / 43 MB
Intel Core m3-7Y32 compare1 - 3 GHz2 / 44 MB
Intel Pentium Gold 4415U2.3 GHz2 / 42 MB
Intel Core m3-7Y30 compare1 - 2.6 GHz2 / 44 MB
Intel Celeron 3965U compare2.2 GHz2 / 22 MB
Intel Core i3-7020U compare2.3 GHz2 / 43 MB
Intel Celeron 3867U compare1.8 GHz2 / 22 MB
Intel Celeron 3865U compare1.8 GHz2 / 22 MB
Intel Pentium Gold 4425Y compare1.7 GHz2 / 42 MB
Intel Pentium Gold 4415Y compare1.6 GHz2 / 42 MB
Intel Pentium Gold 4410Y compare1.5 GHz2 / 42 MB
Intel Celeron 3965Y compare1.5 GHz2 / 22 MB
Intel Core i7-7700K compare4.2 - 4.5 GHz4 / 88 MB
Intel Core i7-7700 compare3.6 - 4.2 GHz4 / 88 MB
Intel Xeon E3-1535M v6 compare3.1 - 4.2 GHz4 / 88 MB
Intel Core i7-7920HQ compare3.1 - 4.1 GHz4 / 88 MB
Intel Core i7-7700T compare2.9 - 3.8 GHz4 / 88 MB
Intel Core i5-7600K compare3.8 - 4.2 GHz4 / 48 MB
Intel Xeon E3-1505M v6 compare3 - 4 GHz4 / 88 MB
Intel Core i7-7820HQ compare2.9 - 3.9 GHz4 / 88 MB
Intel Core i7-7820HK compare2.9 - 3.9 GHz4 / 88 MB
Intel Core i7-7700HQ compare2.8 - 3.8 GHz4 / 86 MB
Intel Core i5-7500 compare3.4 - 3.8 GHz4 / 46 MB
Intel Core i5-7440HQ compare2.8 - 3.8 GHz4 / 46 MB
Intel Core i7-7567U compare3.5 - 4 GHz2 / 44 MB
Intel Core i7-7660U2.5 - 4 GHz2 / 44 MB
Intel Core i7-7600U compare2.8 - 3.9 GHz2 / 44 MB
Intel Core i5-7300HQ compare2.5 - 3.5 GHz4 / 46 MB
Intel Core i5-7500T compare2.7 - 3.3 GHz4 / 46 MB
Intel Core i5-7287U compare3.3 - 3.7 GHz2 / 44 MB
Intel Core i7-7560U compare2.4 - 3.8 GHz2 / 44 MB
Intel Core i5-7267U compare3.1 - 3.5 GHz2 / 44 MB
Intel Core i5-7360U compare2.3 - 3.6 GHz2 / 44 MB
Intel Core i7-7500U compare2.7 - 3.5 GHz2 / 44 MB
Intel Core i5-7300U compare2.6 - 3.5 GHz2 / 43 MB
Intel Core i5-7260U compare2.2 - 3.4 GHz2 / 44 MB
Intel Core i5-7200U compare2.5 - 3.1 GHz2 / 43 MB
Intel Core i3-7100H compare3 GHz2 / 43 MB
Intel Core i3-7167U compare2.8 GHz2 / 43 MB
Intel Core i3-7130U compare2.7 GHz2 / 43 MB
Intel Core i7-7Y75 compare1.3 - 3.6 GHz2 / 44 MB
Intel Core i5-7Y57 compare1.2 - 3.3 GHz2 / 44 MB
Intel Core i5-7Y54 compare1.2 - 3.2 GHz2 / 44 MB
Intel Core i3-7100U compare2.4 GHz2 / 43 MB
Intel Core m3-7Y32 compare1 - 3 GHz2 / 44 MB
» Intel Pentium Gold 4415U2.3 GHz2 / 42 MB
Intel Core m3-7Y30 compare1 - 2.6 GHz2 / 44 MB
Intel Celeron 3965U compare2.2 GHz2 / 22 MB
Intel Core i3-7020U compare2.3 GHz2 / 43 MB
Intel Celeron 3867U compare1.8 GHz2 / 22 MB
Intel Celeron 3865U compare1.8 GHz2 / 22 MB
Intel Pentium Gold 4425Y compare1.7 GHz2 / 42 MB
Intel Pentium Gold 4415Y compare1.6 GHz2 / 42 MB
Intel Pentium Gold 4410Y compare1.5 GHz2 / 42 MB
Intel Celeron 3965Y compare1.5 GHz2 / 22 MB
2500 - 4000 MHz2300 MHz
128 KB128 KB
512 KB512 KB
4 MB2 MB
2 / 42 / 4
15 15
14 14
100 °C100 °C
BGA1356BGA
Dual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NIDual-Channel LPDDR3-1866/DDR4-2133 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
iGPUIntel Iris Plus Graphics 640 (300 - 1050 MHz)Intel HD Graphics 610 (300 - 950 MHz)
Architecturex86x86
$415 U.S.$161 U.S.
Intel Kaby Lake Pentium 4415U

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 397     avg: 404     median: 403.5 (4%)     max: 410 Points
0255075100125150175200225250275300325350375400380.67353.38348.18351.98348.17345.87344.9342.56342.25341.2343.81344.61342.66341.36339.01338.14337.55338.09336.83338.25396.89361.05358.35352.67351.97353.76347.63347.71347350.64347.53350.69349.21351.01350.64346.25349.34350.02349.03344.81395.34366.52356.6352.09352.38348.03345.4344.33345.25342.85345.07349.87349.31347.45346.73346.1345.89346.44343.95344.9409.45395.45386.72362.21358.3355.17350.65342.28340.16341.3338.59341.8341.61341.8340.84340.73338.99338.36336.76335.35Tooltip
min: 238     avg: 240     median: 239.5 (2%)     max: 241 Points
0153045607590105120135150165180195210225240237.07237.03238.06237.29238.69237.17238.31237.69237.2239238.77239.29238.16237.74239.09237.78236.07237.06236.84238.85236.73238.67238.05238.65238.74238.87239.72239.81235.55239.09237.67238.63238.18237.19238.89237.92238.58239.7238.58238.14238.49237.98236.84237.96238.4238.16238.58238.6238.23240.42240.71240.49241.1240.3240.06240.85240.67240.26238.16241.16241.23240.6239.09239.52237.69239.72239.9239.45240.8239.81240.19240.39239.76240.6240.33240.55239.79241.39240.48240.98240.53240.71239.74239.23241.3240.55240.94240.78241.16Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 154     avg: 159     median: 158.5 (58%)     max: 163 Points
min: 93     avg: 94     median: 94 (35%)     max: 95 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 4.39     avg: 4.5     median: 4.5 (8%)     max: 4.55 Points
2.7 Points (5%)
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.84     avg: 1.9     median: 1.9 (59%)     max: 1.89 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 6126     avg: 6170     median: 6169.5 (55%)     max: 6213
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 13779     avg: 13809     median: 13808.5 (22%)     max: 13838
wPrime 2.10 - wPrime 2.0 1024m *
min: 433     avg: 436     median: 435.5 (5%)     max: 438 s
wPrime 2.10 - wPrime 2.0 32m *
min: 12.6     avg: 12.9     median: 12.9 (3%)     max: 13.2 s
WinRAR - WinRAR 4.0
2003 (13%)
X264 HD Benchmark 4.0 - x264 Pass 2
min: 25     avg: 25.3     median: 25.3 (11%)     max: 25.6 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 134     avg: 137     median: 136.5 (40%)     max: 139 fps
TrueCrypt - TrueCrypt Serpent
0.2 GB/s (8%)
TrueCrypt - TrueCrypt Twofish
0.4 GB/s (8%)
TrueCrypt - TrueCrypt AES
2.4 GB/s (9%)
Blender 2.79 - Blender 2.79 BMW27 CPU *
1257 Seconds (9%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 5193     avg: 5227     median: 5226.5 (29%)     max: 5260 Points
3249 Points (18%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
16.7 s (4%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
37.6 s (2%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
846 s (4%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
9098 Points (11%)
3DMark 11 - 3DM11 Performance Physics
min: 4463     avg: 5069     median: 5230 (19%)     max: 5513 Points
min: 2788     avg: 3025     median: 3024.5 (11%)     max: 3261 Points
3DMark - 3DMark Ice Storm Physics
31354 Points (20%)
3DMark - 3DMark Ice Storm Extreme Physics
30220 Points (32%)
3DMark - 3DMark Ice Storm Unlimited Physics
57582 Points (60%)
31593 Points (33%)
3DMark - 3DMark Cloud Gate Physics
min: 3823     avg: 3936     median: 3935.5 (10%)     max: 4048 Points
2628 Points (7%)
3DMark - 3DMark Fire Strike Standard Physics
min: 5412     avg: 5561     median: 5560.5 (14%)     max: 5709 Points
3755 Points (9%)
3DMark - 3DMark Time Spy CPU
min: 1979     avg: 1990     median: 1989.5 (14%)     max: 2000 Points
Geekbench 2 - 32 Bit - Geekbench Stream
7986 Points (64%)
Geekbench 2 - 32 Bit - Geekbench Memory
6662 Points (60%)
Geekbench 2 - 32 Bit - Geekbench Floating Point
5132 Points (10%)
Geekbench 2 - 32 Bit - Geekbench Integer
5122 Points (10%)
Geekbench 2 - 32 Bit - Geekbench Total Score
5719 Points (15%)
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
8570 (13%)
Geekbench 3 - Geekbench 3 64 Bit Single-Core
4074 (83%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
5270 (9%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
2510 (52%)
Geekbench 4.0 - Geekbench 4.0 64 Bit Single-Core
4603 (71%)
Geekbench 4.0 - Geekbench 4.0 64 Bit Multi-Core
8952 (22%)
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
4786 (60%)
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
9320 (12%)
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 927     avg: 938     median: 937.7 (2%)     max: 948.4 ms
1652 ms (3%)
Sunspider - Sunspider 1.0 Total Score *
min: 65.2     avg: 65.6     median: 65.6 (1%)     max: 66 ms
119 ms (1%)
Octane V2 - Octane V2 Total Score
min: 35767     avg: 36437     median: 36436.5 (53%)     max: 37106 Points
21322 Points (31%)
Power Consumption - Prime95 Power Consumption - external Monitor *
min: 39.2     avg: 40     median: 40 (10%)     max: 40.8 Watt
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
min: 39.2     avg: 40     median: 40 (11%)     max: 40.8 Watt

Average Benchmarks Intel Core i7-7660U → 100% n=27

Average Benchmarks Intel Pentium Gold 4415U → 66% n=27

- 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
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#11 min, max, avg, median took s +0.018s ... 0.027s

#12 return log +0.004s ... 0.031s

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