withoutfirmwareATI Intel Core i5-3570 testing with a Gigabyte Z77-D3H and Sapphire AMD Radeon R7 370 / R9 270X/370X 2048MB on Debian 9.2 via the Phoronix Test Suite. ATI_no_firmware: Processor: Intel Core i5-3570 @ 3.80GHz (4 Cores), Motherboard: Gigabyte Z77-D3H, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 1 x 8192 MB DDR3-1333MHz, Disk: 500GB Western Digital WD5000AAKX-0 + 120GB Samsung SSD 840, Graphics: Sapphire AMD Radeon R7 370 / R9 270X/370X 2048MB (300/150MHz), Audio: VIA VT2020, Monitor: LG TV, Network: Qualcomm Atheros AR8161 Gigabit OS: Debian 9.2, Kernel: 4.9.0-4-amd64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Server: X Server 1.19.2, Display Driver: modesetting 1.19.2, File-System: ext4, Screen Resolution: 1920x1080 Unigine Heaven 4.0 Resolution: 1920 x 1080 - Mode: Windowed Frames Per Second > Higher Is Better ATI_no_firmware . 28.30 |====================================================== Unigine Heaven 4.0 Resolution: 1280 x 1024 - Mode: Windowed Frames Per Second > Higher Is Better ATI_no_firmware . 41.90 |====================================================== Unigine Heaven 4.0 Resolution: 1024 x 768 - Mode: Windowed Frames Per Second > Higher Is Better ATI_no_firmware . 59.46 |====================================================== Unigine Heaven 4.0 Resolution: 800 x 600 - Mode: Windowed Frames Per Second > Higher Is Better ATI_no_firmware . 73.27 |======================================================