system requirements for the game titanfall

Actually, a decent quality GPU is the single most important part.  Without that, forget it: 

Minimum requirements for Titanfall on PC:

    OS: 64-bit Windows 7, 8, 8.1
    Processor: AMD Athlon X2 2.8GHz or Intel Core 2 Duo 2.4GHz
    Memory: 4GB RAM
    Video card: 512MB VRAM,
      Radeon HD 4770 or GeForce 8800GT

None of Intel's IGPs are supported and none will ever be supported

PC Minimum Requirements:
OS: Windows Vista SP2 64-bit / Windows 7 SP1 64-bit / Windows 8 64-bit
CPU: AMD Athlon X2 2.8GHz / Intel Core 2 Duo 2.4GHz
RAM: At least 4 GB
HARD DRIVE: At least 50 GB of free space
VIDEO: AMD Radeon HD 4770 with 512MB RAM or better / Nvidia GeForce 8800GT with 512MB RAM or better
DirectX: DirectX 11
INPUT: Keyboard and mouse, Microsoft Gamepad
ONLINE CONNECTION REQUIREMENTS: 512kbps down and 384kbps up or faster Internet connection

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DirectX 10 is definitely supported.  Neither of the minimum GPUs are Dx11 cards.  There have been driver problems for Radeon HD 4000 series cards, and Geforces older than the GTX 500s sometimes need AA turned off, but driver updates will sort both situations out (nVIDIA cards did not offer Dx11 before the GTX 400 generation). 

Respawn did not give out Direct3D requirements when releasing information to the gaming journalists:

http://www.polygon.com/2014/2/4/5378828/titanfall-system-requirements-pc

Well I am not sure about that, take a look at this official page here: http://www.titanfall.com/news/be-titanfall-pc-ready .

They can either change the minimum cards, or correct their Direct3D error.  They can't have both (and never said diddly about Direct3D before now).  Neither Developers nor Distrubutors in the game industry have ever respected hardware knowledge, and bad sets of requirements are some kind of tradition for some of them, Bioware and Bethesda being prime examples. 

After 35 years of gaming, I have seen it repeated constantly.   I make it my habit to tell the truth, and ignore lies from distributor marketing dweebs. 

Still official is official and when someone asks, we must give out only official information.