Intel Core i7-8550U vs Intel Core i5-8350U

Intel Core i7-8550U

► remove from comparison Intel i5-8550U

The Intel Core i7-8550U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Kaby Lake Refresh generation and was announced in August 2017. Contrary to its direct predecessors Core i7-7500U and i5-7260U, respectively, which were still dual-cores, the i7-8550U is equipped with four cores but at a lower base frequency of 1.8 GHz. The Turbo Boost is not specified yet, but should be at least 3.7 - 4 GHz and therefore also offer good short term single core speeds. The GPU is now named Intel UHD Graphics 620 but otherwise identical to the Intel HD Graphics 620. The integrated memory controller supports DDR4-2400 / LPDDR3-2133 and dual channel memory.

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

The performance of the i7-8550U depends on the cooling solution of the laptop and the defined TDP limits for short and long term performance. This leads to big differences in our benchmark scores ranging from the 15 Watt reference by Intel up to the 23% higher score of the Inspiron 17-7773 in the Cinebench R15 Multi benchmark. Especially when taxing the CPU for longer periods, these differences can be even higher.

In our usual benchmarks, the average i7-8550U is as fast as the 35 Watt rated Core i5-7440HQ. For single thread performance, the high Turbo Boost frequency helps achieving one of the highest scores for mobile CPUs.

Graphics

The integrated Intel UHD Graphics 620 (Intel Gen 9.5) is untouched from the 8th Gen Kaby Lake chips. With fast dual-channel memory it can reach the performance of a dedicated GeForce 920M.

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 (14nm+), the same as the 7th Gen Kaby Lake processors. 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 Core i5-8350U

► remove from comparison Intel i5-8350U

The Intel Core i5-8350U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Kaby Lake Refresh generation and was announced in August 2017. Contrary to its direct predecessor the Core i5-7300U, which were still dual-cores, the i7-8350U is equipped with four cores but at a lower base frequency of 1.7 GHz. The Turbo Boost can go up to 3,6 GHz and therefore also offer good short term single core speeds. The GPU is now named Intel UHD Graphics 620 but otherwise identical to the Intel HD Graphics 620. The integrated memory controller supports DDR4-2400 / LPDDR3-2133 and dual channel memory.

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

According to Intel, the new quad core models are up to 40% faster than their dual core predecessors. Due to the reduced TDP and the same 14nm+ process, the long term performance and throttling behaviour will be interesting and depending on the laptop design. Therefore, the older 35 Watt quad-core models should be faster in applications that demand longer CPU loads.

Graphics

The integrated Intel UHD Graphics 620 (Intel Gen 9.5) is untouched from the 8th Gen Kaby Lake chips. With fast dual-channel memory it can reach the performance of a dedicated GeForce 920M.

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 (14nm+), the same as the 7th Gen Kaby Lake processors. 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 Core i7-8550UIntel Core i5-8350U
Intel Kaby Lake RefreshIntel Kaby Lake Refresh
Kaby Lake RefreshKaby Lake Refresh
Series: Kaby Lake Refresh Kaby Lake Refresh
Intel Core i7-8650U compare1.9 - 4.2 GHz4 / 88 MB
» Intel Core i7-8550U1.8 - 4 GHz4 / 88 MB
Intel Core i5-8350U1.7 - 3.6 GHz4 / 86 MB
Intel Core i5-8250U compare1.6 - 3.4 GHz4 / 86 MB
Intel Core i3-8130U compare2.2 - 3.4 GHz2 / 44 MB
Intel Pentium Gold 4417U compare2.3 GHz2 / 42 MB
Intel Core i7-8650U compare1.9 - 4.2 GHz4 / 88 MB
Intel Core i7-8550U1.8 - 4 GHz4 / 88 MB
» Intel Core i5-8350U1.7 - 3.6 GHz4 / 86 MB
Intel Core i5-8250U compare1.6 - 3.4 GHz4 / 86 MB
Intel Core i3-8130U compare2.2 - 3.4 GHz2 / 44 MB
Intel Pentium Gold 4417U compare2.3 GHz2 / 42 MB
1800 - 4000 MHz1700 - 3600 MHz
256 KB256 KB
1 MB1 MB
8 MB6 MB
4 / 84 / 8
15 15
14 14
BGA1356BGA1356
Dual-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 UHD Graphics 620 (300 - 1150 MHz)Intel UHD Graphics 620 (300 - 1100 MHz)
Architecturex86x86
$409 U.S.$297 U.S.

Benchmarks

Cinebench R20 - Cinebench R20 CPU (Single Core)
383 Points (60%)
Cinebench R20 - Cinebench R20 CPU (Multi Core)
1138 Points (11%)
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 301     avg: 578     median: 553.5 (12%)     max: 761 Points
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min: 346     avg: 548     median: 569 (13%)     max: 631 Points
0102030405060708090100110120130140150160170180190200210220230240250260270280290300310320330340350360370380390400410420430440450460470480490500510520530540550560570580590600610620630Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 108     avg: 160     median: 163.5 (60%)     max: 172 Points
min: 128     avg: 147     median: 150.5 (55%)     max: 153 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 4.38     avg: 6.3     median: 6.1 (12%)     max: 8.56 Points
min: 5.48     avg: 6.3     median: 6 (12%)     max: 7.33 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.43     avg: 1.8     median: 1.9 (60%)     max: 1.95 Points
min: 1.62     avg: 1.7     median: 1.7 (54%)     max: 1.71 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4202     avg: 6333     median: 6423 (57%)     max: 8211
min: 5152     avg: 5461     median: 5460.5 (49%)     max: 5769
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 11694     avg: 17867     median: 17321.5 (29%)     max: 24180
min: 16222     avg: 17931     median: 17931 (30%)     max: 19640
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 12279     avg: 23153     median: 22717 (22%)     max: 31667 Points
28684 Points (27%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 6737     avg: 8065     median: 8370.5 (63%)     max: 8436 Points
7593 Points (57%)
wPrime 2.10 - wPrime 2.0 1024m *
min: 257.514     avg: 352     median: 366.7 (4%)     max: 435 s
min: 305.731     avg: 330     median: 330.4 (4%)     max: 355.162 s
wPrime 2.10 - wPrime 2.0 32m *
min: 7.047     avg: 9.8     median: 9.9 (2%)     max: 12.7 s
min: 7.517     avg: 9.7     median: 9.7 (2%)     max: 11.891 s
wPrime 1.55 - wPrime 1.55 1024m *
847 s (3%)
wPrime 1.55 - wPrime 1.55 32m *
26.3 s (14%)
WinRAR - WinRAR 4.0
min: 3847     avg: 4487     median: 4374 (28%)     max: 5287
min: 1960     avg: 2961     median: 2961 (19%)     max: 3962
X264 HD Benchmark 4.0 - x264 Pass 2
min: 32     avg: 35.3     median: 33.1 (15%)     max: 41 fps
min: 34     avg: 37.3     median: 37.3 (17%)     max: 40.55 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 143.6     avg: 154     median: 147.9 (44%)     max: 178 fps
min: 145     avg: 153     median: 152.8 (45%)     max: 160.67 fps
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 3.88     avg: 4.2     median: 4.2 (13%)     max: 4.43 fps
010Tooltip
TrueCrypt - TrueCrypt Serpent
min: 0.357     avg: 0.4     median: 0.4 (18%)     max: 0.469 GB/s
min: 0.363     avg: 0.4     median: 0.4 (17%)     max: 0.456 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.583     avg: 0.7     median: 0.7 (20%)     max: 0.793 GB/s
min: 0.623     avg: 0.7     median: 0.7 (19%)     max: 0.754 GB/s
TrueCrypt - TrueCrypt AES
min: 3.3     avg: 4.2     median: 4.3 (16%)     max: 4.6 GB/s
min: 3.7     avg: 4.1     median: 4.1 (15%)     max: 4.4 GB/s
Blender 2.79 - Blender 2.79 BMW27 CPU *
min: 841.1     avg: 889     median: 888.9 (6%)     max: 936.7 Seconds
705 Seconds (5%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 4534     avg: 5951     median: 5845 (32%)     max: 7795 Points
min: 5852     avg: 6131     median: 5925 (33%)     max: 6617 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 9     avg: 10.5     median: 9.3 (2%)     max: 17.455 s
min: 10     avg: 10.9     median: 10.9 (2%)     max: 11.883 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 20     avg: 23     median: 21.2 (1%)     max: 32.72 s
min: 23     avg: 25.3     median: 25.3 (1%)     max: 27.616 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 509.5     avg: 575     median: 536 (2%)     max: 740.35 s
min: 580     avg: 637     median: 637 (3%)     max: 693.93 s
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
21623 Points (25%)
3DMark 11 - 3DM11 Performance Physics
min: 3961     avg: 6671     median: 6663 (27%)     max: 9527 Points
min: 4349     avg: 5995     median: 6092 (25%)     max: 7023 Points
3DMark - 3DMark Ice Storm Physics
min: 16314     avg: 42803     median: 44682 (29%)     max: 55226 Points
min: 39950     avg: 43226     median: 43226 (28%)     max: 46502 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 16312     avg: 37536     median: 36876 (39%)     max: 51937 Points
min: 38261     avg: 42913     median: 42913 (46%)     max: 47565 Points
3DMark - 3DMark Ice Storm Unlimited Physics
min: 27917     avg: 50269     median: 52842 (55%)     max: 58213 Points
min: 51828     avg: 52962     median: 53024 (55%)     max: 54034 Points
3DMark - 3DMark Cloud Gate Physics
min: 3437     avg: 5736     median: 5675 (14%)     max: 7725 Points
min: 5408     avg: 6288     median: 6155 (16%)     max: 7190 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 3961     avg: 8258     median: 8409 (21%)     max: 11110 Points
min: 7603     avg: 8941     median: 8945.5 (23%)     max: 10362 Points
3DMark - 3DMark Time Spy CPU
min: 2500     avg: 2935     median: 2893.5 (20%)     max: 3865 Points
min: 2484     avg: 2537     median: 2537 (18%)     max: 2590 Points
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
min: 8918     avg: 12315     median: 12327.5 (22%)     max: 14144
12270 (22%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
min: 2471     avg: 3671     median: 3770 (77%)     max: 4020
3439 (71%)
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
min: 11637     avg: 12834     median: 12833.5 (20%)     max: 14030
Geekbench 3 - Geekbench 3 64 Bit Single-Core
min: 3784     avg: 3949     median: 3948.5 (80%)     max: 4113
Geekbench 4.0 - Geekbench 4.0 64 Bit Single-Core
min: 4439     avg: 4686     median: 4699 (73%)     max: 4858
min: 4160     avg: 4210     median: 4210 (65%)     max: 4260
Geekbench 4.0 - Geekbench 4.0 64 Bit Multi-Core
min: 10747     avg: 13316     median: 13251 (32%)     max: 15294
min: 12679     avg: 12800     median: 12799.5 (31%)     max: 12920
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
min: 4555     avg: 4858     median: 4900 (67%)     max: 4997
min: 3646     avg: 4185     median: 4225 (58%)     max: 4685
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
min: 10869     avg: 14247     median: 15117 (24%)     max: 16294
min: 11004     avg: 13358     median: 13605 (22%)     max: 15464
Geekbench 5.0 - Geekbench 5.0 64 Bit Single-Core
1081 (64%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Multi-Core
3141 (19%)
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 876.6     avg: 1091     median: 1110.5 (2%)     max: 2114.4 ms
min: 1016.5     avg: 1193     median: 1215.7 (2%)     max: 1288.9 ms
Sunspider - Sunspider 1.0 Total Score *
min: 63.2     avg: 80.3     median: 71.3 (1%)     max: 122.7 ms
min: 78.9     avg: 161     median: 156.5 (2%)     max: 252.7 ms
Octane V2 - Octane V2 Total Score
min: 17296     avg: 33448     median: 33496 (53%)     max: 42043 Points
min: 28223     avg: 32497     median: 31171 (50%)     max: 38722 Points
PCMark for Android - PCM f. Android Computer Vision
9887 Points (52%)
PCMark for Android - PCM f. Android Storage
15717 Points (50%)
PCMark for Android - PCM f. Android Work Score 2.0
11958 Points (78%)
PCMark for Android - PCM f. Android Work Score
19602 Points (98%)
Power Consumption - Prime95 Power Consumption - external Monitor *
min: 33.7     avg: 47.6     median: 47.6 (13%)     max: 61.4 Watt
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
min: 28.9     avg: 41.3     median: 31.9 (8%)     max: 63.2 Watt

Average Benchmarks Intel Core i7-8550U → 100% n=37

Average Benchmarks Intel Core i5-8350U → 98% n=37

- 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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