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Intel Core i5-8350U

Intel 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.

SeriesIntel Core i5
CodenameKaby Lake Refresh
Series: Core i5 Kaby Lake Refresh
» Intel Core i5-8350U1700 - 3600 MHz4 / 86 MB
Intel Core i5-8250U (compare)1600 - 3400 MHz4 / 86 MB
Clock Rate1700 - 3600 MHz
Level 1 Cache256 KB
Level 2 Cache1 MB
Level 3 Cache6 MB
Number of Cores / Threads4 / 8
Max. Power Consumption (TDP = Thermal Design Power)15 Watt
Manufacturing Technology14 nm
SocketBGA1356
FeaturesDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPUIntel UHD Graphics 620 (300 - 1100 MHz)
64 Bit64 Bit support
Starting Price$297 U.S.
Announcement Date08/21/2017

Benchmarks

Cinebench R15 - CPU Multi 64Bit
min: 332     avg: 536     median: 543 (17%)     max: 631 Points
Cinebench R15 - CPU Single 64Bit
min: 128     avg: 146.8     median: 150.5 (73%)     max: 153 Points
Cinebench R11.5 - CPU Multi 64Bit
min: 5.48     avg: 6.3     median: 6 (22%)     max: 7.33 Points
Cinebench R11.5 - CPU Single 64Bit
min: 1.62     avg: 1.7     median: 1.7 (72%)     max: 1.71 Points
Cinebench R10 - Rendering Single 32Bit
min: 5152     avg: 5460.5     median: 5460.5 (60%)     max: 5769 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 16222     avg: 17931     median: 17931 (36%)     max: 19640 Points
wPrime 2.0x - 1024m *
min: 305.731     avg: 330.5     median: 330.4 (4%)     max: 355.162 seconds
wPrime 2.0x - 32m *
min: 7.517     avg: 9.7     median: 9.7 (2%)     max: 11.891 seconds
WinRAR - Result
min: 1960     avg: 2961     median: 2961 (35%)     max: 3962 KB/s
X264 HD Benchmark 4.0 - Pass 2
min: 34     avg: 37.3     median: 37.3 (26%)     max: 40.55 fps
X264 HD Benchmark 4.0 - Pass 1
min: 145     avg: 152.8     median: 152.8 (65%)     max: 160.67 fps
3DMark 06 - CPU
min: 5852     avg: 6131.3     median: 5925 (47%)     max: 6617 Points
Super Pi mod 1.5 XS 1M *
min: 10     avg: 10.9     median: 10.9 (2%)     max: 11.883 Seconds
Super Pi mod 1.5 XS 2M *
min: 23     avg: 25.3     median: 25.3 (1%)     max: 27.616 Seconds
Super Pi Mod 1.5 XS 32M *
min: 580     avg: 637     median: 637 (3%)     max: 693.93 Seconds
3DMark 11 - Performance Physics 1280x720
min: 4349     avg: 5994.9     median: 6092 (34%)     max: 7023 points
3DMark - Ice Storm Standard Physics 1280x720
min: 39950     avg: 43226     median: 43226 (28%)     max: 46502 Points
3DMark - Ice Storm Extreme Physics 1920x1080
min: 38261     avg: 42913     median: 42913 (56%)     max: 47565 Points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 51828     avg: 52931     median: 52931 (67%)     max: 54034 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 5408     avg: 6288.3     median: 6155 (16%)     max: 7190 Points
3DMark - Fire Strike Physics 1920x1080
min: 7603     avg: 8941     median: 8945.5 (33%)     max: 10362 Points
Geekbench 4.1/4.2 - 64 Bit Single-Core Score
min: 3646     avg: 3935.5     median: 3935.5 (66%)     max: 4225 Points
Geekbench 4.1/4.2 - 64 Bit Multi-Core Score
min: 11004     avg: 12304.5     median: 12304.5 (34%)     max: 13605 Points
Mozilla Kraken 1.1 - Total Score *
min: 1189.2     avg: 1244.8     median: 1256.3 (2%)     max: 1288.9 ms
Sunspider - 1.0 Total Score *
min: 78.9     avg: 83.5     median: 83.5 (2%)     max: 88 ms
Octane V2 - Total Score
min: 28223     avg: 29809     median: 30033 (62%)     max: 31171 Points
- 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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