INTEL HD 620 REVIEW

TheIntel HD Graphics 620(GT2) is an integrated graphics unit, which can be found in various ULV (Ultra Low Voltage) processors of the Kaby Lake generation. This "GT2" version of the Kaby Lake GPU is clocked at up to 1050 MHz (depending on the CPU model). Due to its lack of dedicated graphics memory or eDRAM cache, the HD 620 has to access the main memory (2x 64bit DDR3/DDR4).

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Performance

The exact performance of the HD Graphics 620 depends on various factors like L3 cache size, memory configuration (DDR3/DDR4) and maximum clock rate of the specific model but is very similar to the old HD Graphics 520 GPU. That means only some less demanding recent games like Farming Simulator 17 run fluently in low detail settings (see below for gaming benchmarks). Compared to dedicated graphics cards, the HD620 should be positioned between aGeForce 910Mand920Mfrom Nvidia. For games, the drivers however are not that fast updated and tested as with GeForce graphics cards.

Features

The revised video engine now supports H.265/HEVC Main10 profile in hardware with 10 bit colors. Furthermore, Googles VP9 codec can also be hardware decoded. The first models do not support HDCP 2.2 and therefore Netflix 4K. This was added with the new models in 2017 and beginning of May 2017 also the older CPU models like the i3-7100U are now shipped with a new S-Spec Code that supports HDCP 2.2. HDMI 2.0 however is still only supported with an external converter chip (LSPCon).

Power Consumption

The HD Graphics 620 can be found in mobile processors specified at 15 W TDP and is therefore suited for compact laptops and ultrabooks.

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Manufacturer	Intel
Gen. 9.5 Series	Iris Plus Graphics 655	48 0.3 - 1.2 GHz
Iris Plus Graphics 650	48 0.3 - 1.1 GHz	64/128 Bit
Iris Plus Graphics 645	48 0.3 - 1.15 GHz
Iris Plus Graphics 640	48 0.3 - 1.05 GHz	64/128 Bit
UHD Graphics 630	24 0.3 - 1.15 GHz	64/128 Bit
UHD Graphics P630	24 0.3 - 1.2 GHz	64/128 Bit
HD Graphics 630	24 0.3 - 1.15 GHz	64/128 Bit
HD Graphics P630	24	64/128 Bit
UHD Graphics 620	24 0.3 - 1.15 GHz	64/128 Bit
HD Graphics 620	24 0.3 - 1.05 GHz	64/128 Bit
UHD Graphics 617	24 0.3 - 1.15 GHz	64/128 Bit
UHD Graphics 615	24 0.3 - 1 GHz	64/128 Bit
HD Graphics 615	24 0.3 - 1.05 GHz	64/128 Bit

CodenameKaby-Lake GT2ArchitectureGen. 9.5 Kaby LakePipelines24 - unifiedCore Speed300 - 1050 (Boost) MHzMemory Bus Width64/128 BitMemory TypeDDR3/DDR4Shared MemoryyesDirectXDirectX 12_1technology14 nmFeaturesQuickSyncDate of Announcement30.08.2016
Intel Core i7-7600U

CPU in HD Graphics 620GPU Base SpeedGPU Boost / Turbo
2 x 2800 MHz, 15 W	300 MHz	1150 MHz
Intel Core i7-7500U	2 x 2700 MHz, 15 W	300 MHz	1050 MHz
Intel Core i5-7300U	2 x 2600 MHz, 15 W	300 MHz	1100 MHz
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Intel Core i5-7200U	2 x 2500 MHz, 15 W	300 MHz	1000 MHz
Intel Core i3-7130U	2 x 2700 MHz, 15 W	300 MHz	1000 MHz
Intel Core i3-7100U	2 x 2400 MHz, 15 W	300 MHz	1000 MHz
Intel Core i3-7020U	2 x 2300 MHz, 15 W	300 MHz	1000 MHz
min. - max.		300 MHz	1000 - 1150 MHz

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy