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Intel Core i5-8305G

Intel i5-8305G

The Intel Core i5-8305G is a fast quad-core processor for notebooks based on the Kaby Lake architecture and was announced in January 2018. similar to the Core i7-7920HQ it integrates four processor cores clocked at 3.1 - 4.1 GHz. As a speciality the package also contains a Vega based graphics card from AMD (with 20 CUs = 1,280 shaders at 1011 MHz) and 4 GB HBM2 graphics memory. The CPU is still produced in 14nm as the i7-7700HQ. Compared to the high-end Kaby Lake-G models, the i5-8305G only features 20 instead of 24 CUs for the Vega GPU, a slightly slower CPU and a lower TDP of 65 versus 100 Watt.

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 Intel Core i7-7700HQ, the i5-8305G should be slightly faster due to the HBM2 memory and the 65 Watt TDP. The performance is therefore sufficient even for very demanding tasks and on par with powerful desktop quad-core processors. In gaming, the performance will depend on the distribution of the TDP for GPU and CPU.

Graphics

In addition to the Intel HD Graphics 630 in the CPU die, the Core i7-8809G also offers an AMD Radeon RX Vega M GL graphics card with 20 CUs and therefore double the amount of the current mobile Ryzen APUs (e.g. Ryzen 7 2700 with 10 CUs) but 4 less than the Vega M GH of the high end models.

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 8809G should also support HDCP 2.2, but for HDMI 2.0, it most likely needs a converter from DisplayPort.

Power Consumption

The CPU chip is manufactured in an improved 14nm process with FinFET transistors. It is rated at a TDP of around 65 Watt and therefore is only suited for laptops with good cooling solutions. Compared to laptops with Core i7-H quad cores and dedicated graphics cards, the i5-8305G based models can be built with smaller chassis.

SeriesIntel Core i5
CodenameKaby Lake-G
Clock Rate2800 - 3800 MHz
Level 1 Cache256 KB
Level 2 Cache1 MB
Level 3 Cache6 MB
Number of Cores / Threads4 / 8
Power Consumption (TDP = Thermal Design Power)65 Watt
Manufacturing Technology14 nm
SocketBGA
FeaturesDual-Channel DDR4-2400 Memory Controller, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPUAMD Radeon RX Vega M GL / 870 (931 - 1011 MHz)
64 Bit64 Bit support
Architecturex86
Announcement Date01/07/2018

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
710 Points (4%)
04080120160200240280320360400440480520560600640680Tooltip
- 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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Reviews for the Intel Core i5-8305G processor

Dell XPS 15 9575

Dell XPS 15 9575 (i5-8305G, Vega M GL, FHD) Convertible Review

Instant XPS classic. Dell is betting big on the unproven Kaby Lake-G platform and its MagLev keyboard to carry the new XPS 15 2-in-1 forward. The end result fee...
Intel Core i5-8305G | AMD Radeon RX Vega M GL / 870 | 15.60" | 2 kg

Acer Aspire 7 A715-73G-56YJ: AMD Radeon RX Vega M GL / 870, 15.60", 1.5 kg
  External Review » Acer Aspire 7 A715-73G-56YJ

Dell XPS 15 9575 i5-8305G: AMD Radeon RX Vega M GL / 870, 15.60", 2 kg
  External Review » Dell XPS 15 9575 i5-8305G

Dell XPS 15-9575: AMD Radeon RX Vega M GL / 870, 15.60", 2 kg
  External Review » Dell XPS 15-9575

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» Mobile CPU Comparison
Comparison of all mobile CPU series

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Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series Core i5

» Intel Core i5-8305G
   4x 2.8 GHz - 3.8 GHz
» Intel Core i5-8365U
   4x 1.6 GHz - 4.1 GHz
» Intel Core i5-8265U
   4x 1.6 GHz - 3.9 GHz
» Intel Core i5-6440HQ
   4x 2.6 GHz - 3.5 GHz
» Intel Core i5-6350HQ
   4x 2.3 GHz - 3.2 GHz
» Intel Core i5-6300HQ
   4x 2.3 GHz - 3.2 GHz
» Intel Core i5-5350H
   2x 3 GHz - 3.5 GHz
» Intel Core i5-6287U
   2x 3.1 GHz - 3.5 GHz
» Intel Core i5-6267U
   2x 2.9 GHz - 3.3 GHz
» Intel Core i5-5287U
   2x 2.9 GHz - 3.3 GHz
» Intel Core i5-4340M
   2x 2.9 GHz - 3.6 GHz
» Intel Core i5-4210H
   2x 2.9 GHz - 3.5 GHz
» Intel Core i5-4330M
   2x 2.8 GHz - 3.5 GHz
» Intel Core i5-4200H
   2x 2.8 GHz - 3.4 GHz
» Intel Core i5-5257U
   2x 2.7 GHz - 3.1 GHz
» Intel Core i5-4308U
   2x 2.8 GHz - 3.3 GHz
» Intel Core i5-4310M
   2x 2.7 GHz - 3.4 GHz
» Intel Core i5-4400E
   2x 2.7 GHz - 3.3 GHz
» Intel Core i5-4300M
   2x 2.6 GHz - 3.3 GHz
» Intel Core i5-6360U
   2x 2 GHz - 3.1 GHz
» Intel Core i5-4210M
   2x 2.6 GHz - 3.2 GHz
» Intel Core i5-6300U
   2x 2.4 GHz - 3 GHz
» Intel Core i5-4288U
   2x 2.6 GHz - 3.1 GHz
» Intel Core i5-4278U
   2x 2.6 GHz - 3.1 GHz
» Intel Core i5-3380M
   2x 2.9 GHz - 3.6 GHz
» Intel Core i5-3360M
   2x 2.8 GHz - 3.5 GHz
» Intel Core i5-4200M
   2x 2.5 GHz - 3.1 GHz
» Intel Core i5-3340M
   2x 2.7 GHz - 3.4 GHz
» Intel Core i5-6260U
   2x 1.8 GHz - 2.9 GHz
» Intel Core i5-3320M
   2x 2.6 GHz - 3.3 GHz
» Intel Core i5-4258U
   2x 2.4 GHz - 2.9 GHz
» Intel Core i5-3230M
   2x 2.6 GHz - 3.2 GHz
» Intel Core i5-6198DU
   2x 2.3 GHz - 2.8 GHz
» Intel Core i5-6200U
   2x 2.3 GHz - 2.8 GHz
» Intel Core i5-5300U
   2x 2.3 GHz - 2.9 GHz
» Intel Core i5-5350U
   2x 1.8 GHz - 2.9 GHz
» Intel Core i5-3210M
   2x 2.5 GHz - 3.1 GHz
» Intel Core i5-2540M
   2x 2.6 GHz - 3.3 GHz
» Intel Core i5-4310U
   2x 2 GHz - 3 GHz
» Intel Core i5-4360U
   2x 1.5 GHz - 3 GHz
» Intel Core i5-5200U
   2x 2.2 GHz - 2.7 GHz
» Intel Core i5-5250U
   2x 1.6 GHz - 2.7 GHz
» Intel Core i5-4300U
   2x 1.9 GHz - 2.9 GHz
» Intel Core i5-4350U
   2x 1.4 GHz - 2.9 GHz
» Intel Core i5-2520M
   2x 2.5 GHz - 3.2 GHz
» Intel Core i5-2450M
   2x 2.5 GHz - 3.1 GHz
» Intel Core i5-580M
   2x 2.67 GHz - 3.33 GHz
» Intel Core i5-2435M
   2x 2.4 GHz - 3 GHz
» Intel Core i5-2430M
   2x 2.4 GHz - 3 GHz
» Intel Core i5-2415M
   2x 2.3 GHz - 2.9 GHz
» Intel Core i5-2410M
   2x 2.3 GHz - 2.9 GHz
» Intel Core i5-3437U
   2x 1.9 GHz - 2.9 GHz
» Intel Core i5-560M
   2x 2.67 GHz - 3.2 GHz
» Intel Core i5-4210U
   2x 1.7 GHz - 2.7 GHz
» Intel Core i5-4260U
   2x 1.4 GHz - 2.7 GHz
» Intel Core i5-3427U
   2x 1.8 GHz - 2.8 GHz
» Intel Core i5-4402E
   2x 1.6 GHz - 2.7 GHz
» Intel Core i5-4200U
   2x 1.6 GHz - 2.6 GHz
» Intel Core i5-4250U
   2x 1.3 GHz - 2.6 GHz
» Intel Core i5-3337U
   2x 1.8 GHz - 2.7 GHz
» Intel Core i5-480M
   2x 2.67 GHz - 2.93 GHz
» Intel Core i5-540M
   2x 2.53 GHz - 3.07 GHz
» Intel Core i5-460M
   2x 2.53 GHz - 2.8 GHz
» Intel Core i5-520M
   2x 2.4 GHz - 2.93 GHz
» Intel Core i5-450M
   2x 2.4 GHz - 2.66 GHz
» Intel Core i5-3317U
   2x 1.7 GHz - 2.6 GHz
» Intel Core i5-430M
   2x 2.26 GHz - 2.53 GHz
» Intel Core i5-4300Y
   2x 1.6 GHz - 2.3 GHz
» Intel Core i5-4302Y
   2x 1.6 GHz - 2.3 GHz
» Intel Core i5-2557M
   2x 1.7 GHz - 2.7 GHz
» Intel Core i5-3439Y
   2x 1.5 GHz - 2.3 GHz
» Intel Core i5-4202Y
   2x 1.6 GHz - 2 GHz
» Intel Core i5-4220Y
   2x 1.6 GHz - 2 GHz
» Intel Core i5-4210Y
   2x 1.5 GHz - 1.9 GHz
» Intel Core i5-2467M
   2x 1.6 GHz - 2.3 GHz
» Intel Core i5-3339Y
   2x 1.5 GHz - 2 GHz
» Intel Core i5-4200Y
   2x 1.4 GHz - 1.9 GHz
» Intel Core i5-2537M
   2x 1.4 GHz - 2.3 GHz
» Intel Core i5-560UM
   2x 1.33 GHz - 2.13 GHz
» Intel Core i5-470UM
   2x 1.33 GHz - 1.87 GHz
» Intel Core i5-540UM
   2x 1.2 GHz - 2 GHz
» Intel Core i5-520UM
   2x 1.06 GHz - 1.87 GHz
» Intel Core i5-430UM
   2x 1.2 GHz - 1.73 GHz

Surrounding CPUs

+ Intel Core i7-5950HQ
   4x 2.9 GHz - 3.8 GHz
+ Intel Core i7-4930MX
   4x 3 GHz - 3.9 GHz
+ Intel Xeon E3-1535M v5
   4x 2.9 GHz - 3.8 GHz
+ Intel Core i7-6970HQ
   4x 2.8 GHz - 3.7 GHz
+ Intel Core i7-7700HQ
   4x 2.8 GHz - 3.8 GHz
» Intel Core i5-8305G
   4x 2.8 GHz - 3.8 GHz
- Intel Core i7-8557U
   4x 1.7 GHz - 4.5 GHz
- Intel Xeon E3-1515M v5
   4x 2.8 GHz - 3.7 GHz
- Intel Xeon E3-1505M v5
   4x 2.8 GHz - 3.7 GHz
- Intel Core i7-6870HQ
   4x 2.7 GHz - 3.6 GHz
- Intel Core i5-8269U
   4x 2.6 GHz - 4.2 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > Intel Core i5-8305G SoC
Klaus Hinum (Update: 2018-01-18)