元々どういうグラフィックだったかさっぱり覚えてないんですが、
着弾時がこうで

着弾後飛び散る岩が

こうなりますね
-=-=-=-=-=-=- System Information -=-=-=-=-=-=-
SYSTEM_OS Windows 7 Ultimate 64 ビット (6.1, ビルド 7601) Service Pack 1 (7601.win7sp1_gdr.151230-0600)
SYSTEM_CPU Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (8 CPUs), ~3.4GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 8 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 05/09/13 20:28:14 Ver: 20.03
SYSTEM_LANGUAGE 日本語 (地域設定: 日本語)
SYSTEM_MEMORY 16258.953MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_PAGE_FILE 40750.160MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 238.377GB SYSTEM_FREEDISC_SPACE 85.770GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 976.562GB SYSTEM_FREEDISC_SPACE 455.934GB
SYSTEM_STORAGE F:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1817.830GB SYSTEM_FREEDISC_SPACE 885.043GB
SYSTEM_STORAGE X:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.015GB SYSTEM_FREEDISC_SPACE 108.345GB
SYSTEM_STORAGE Y:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.015GB SYSTEM_FREEDISC_SPACE 108.345GB
SYSTEM_STORAGE Z:\ SYSTEM_NETWORK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.007GB SYSTEM_FREEDISC_SPACE 335.336GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS AMD Radeon R9 200 Series
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP AMD Radeon Graphics Processor (0x67B0)
SYSTEM_GRAPHICS_MAKER Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM 3072.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 1023.938 MB
SYSTEM_GRAPHICS_DAC Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 8.17.0010.1433
SYSTEM_GRAPHICS_DRIVER_DATE 2015/12/24 1:29:06
SYSTEM_GRAPHICS_DRIVER_LANGUAGE 英語
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_GRAPHICS Intel(R) HD Graphics 4000
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY7
SYSTEM_GRAPHICS_CHIP Intel(R) HD Graphics Family
SYSTEM_GRAPHICS_MAKER Intel Corporation
SYSTEM_GRAPHICS_VRAM 64.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 1632.000 MB
SYSTEM_GRAPHICS_DAC Internal
SYSTEM_GRAPHICS_DISPLAY_MODE 1200 x 1920 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
SYSTEM_GRAPHICS_DRIVER_VERSION 10.18.0010.4276
SYSTEM_GRAPHICS_DRIVER_DATE 2015/08/17 8:42:48
SYSTEM_GRAPHICS_DRIVER_LANGUAGE 英語
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND スピーカー (2- ASUS Xonar D2X Audio Device)
SYSTEM_SOUND_DEVICE_ID {2E3D45D5-7F88-4AFE-BE12-9EC95235CF2A}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2013/12/11 11:09:46
SYSTEM_SOUND デジタル オーディオ (S/PDIF) (High Definition Audio デバイス)
SYSTEM_SOUND_DEVICE_ID {42CE2F9C-A5C1-4055-8DF5-8B76C3D94374}
SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE 日本語
SYSTEM_SOUND_DRIVER_DATE 2010/11/20 19:44:23
SYSTEM_SOUND S/PDIF Pass-through Device (2- ASUS Xonar D2X Audio Device)
SYSTEM_SOUND_DEVICE_ID {8D093253-5AE7-4DEE-8EA9-E14D11C66B50}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2013/12/11 11:09:46
SYSTEM_SOUND デジタル オーディオ (S/PDIF) (High Definition Audio デバイス)
SYSTEM_SOUND_DEVICE_ID {D93B6D19-E0D9-4ADB-A7D7-562A4B1B0D4C}
SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE 日本語
SYSTEM_SOUND_DRIVER_DATE 2010/11/20 19:44:23
SYSTEM_SOUND スピーカー (2- ASUS Xonar D2X Converter)
SYSTEM_SOUND_DEVICE_ID {DBC7B13E-D6CC-43C1-80DD-9ADD85EBEA27}
SYSTEM_SOUND_DEVICE_NAME cmudaxp.sys
SYSTEM_SOUND_DRIVER_VERSION 5.12.0001.0008
SYSTEM_SOUND_DRIVER_LANGUAGE 英語
SYSTEM_SOUND_DRIVER_DATE 2013/12/11 11:09:46
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME マウス
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME キーボード
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 109 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EF533880-280D-11E1-8001444553540000}
SYSTEM_INPUT_NAME Comfort Curve Keyboard 2000
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1280 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {D59F9270-14E1-11E5-8001444553540000}
SYSTEM_INPUT_NAME Gaming Mouse G402
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 652 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {D78171D0-14E1-11E5-8002444553540000}
SYSTEM_INPUT_NAME Gaming Mouse G402
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {D7A8A8E0-14E1-11E5-8003444553540000}
SYSTEM_INPUT_NAME Gaming Mouse G402
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {D7D3FEA0-14E1-11E5-8004444553540000}
SYSTEM_INPUT_NAME Gaming Mouse G402
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
※追記
試しにR9/290Xではなくi7側のHD4000で試してみましたが同じでした

※さらに追記
SSは省略しますがDirectX9でR9/290X HD4000ともに全く同じでした