I have tried switching from Windows XP + HDD to Windows 7 + SSD - to no avail. The number of FPS generated halved for no apparent reason (I've done the necessary tweaking to run the system on an SSD).
Old specs - 140 FPS (CSGO), 100 FPS (Dota 2):
OS: Windows XP 32 bit
Drive: HDD Western Digital 1 TB
RAM: Kingston 4 GB DDR3
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce 8800 GTX 768 MB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: LG Flatron L1780U Ultra Slim 17"
Resolution: 1280x1024
Temperature: 65 C (idle), 75-90 C (Dota 2/CSGO)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
New specs - 70 FPS (CSGO), 40 FPS (Dota 2):
OS: Windows 7 64 bit
Drive: SSD SanDisk 128 GB
RAM: Kingston 4 GB DDR3
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce 8800 GTX 768 MB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: LG Flatron L1780U Ultra Slim 17"
Resolution: 1280x1024
Temperature: 65 C (idle), 75-90 C (Dota 2/CSGO)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
Upgraded specs - 40-60 FPS (CSGO), 30-40 FPS (Dota 2):
OS: Windows 7 64 bit
Drive: SSD SanDisk 128 GB
RAM: Kingston 4 GB DDR
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce GTX 750 Ti 2 GB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: Dell E2414H 22"
Resolution: 1920x1080
Temperature: 31 C (idle), 33 C (intensive use)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
3DMark: http://www.3dmark.com/3dm/4329733?
Upgraded specs, XP+HDD - 90-115 FPS (CSGO), 65-75 FPS (Dota 2):
OS: Windows XP 32 bit
Drive: HDD Western Digital 1 TB
RAM: Kingston 4 GB DDR
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce GTX 750 Ti 2 GB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: Dell E2414H 22"
Resolution: 1920x1080
Temperature: 31 C (idle), 33 C (intensive use)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
3DMark06: http://www.3dmark.com/3dm06/17668429
Question: What is the reason of the decrease in performance? Is my CPU at fault? It seems to give 50% worse results on the benchmark (on Windows 7, on Windows XP it seems to work just fine?).
Old specs - 140 FPS (CSGO), 100 FPS (Dota 2):
OS: Windows XP 32 bit
Drive: HDD Western Digital 1 TB
RAM: Kingston 4 GB DDR3
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce 8800 GTX 768 MB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: LG Flatron L1780U Ultra Slim 17"
Resolution: 1280x1024
Temperature: 65 C (idle), 75-90 C (Dota 2/CSGO)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
New specs - 70 FPS (CSGO), 40 FPS (Dota 2):
OS: Windows 7 64 bit
Drive: SSD SanDisk 128 GB
RAM: Kingston 4 GB DDR3
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce 8800 GTX 768 MB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: LG Flatron L1780U Ultra Slim 17"
Resolution: 1280x1024
Temperature: 65 C (idle), 75-90 C (Dota 2/CSGO)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
Upgraded specs - 40-60 FPS (CSGO), 30-40 FPS (Dota 2):
OS: Windows 7 64 bit
Drive: SSD SanDisk 128 GB
RAM: Kingston 4 GB DDR
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce GTX 750 Ti 2 GB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: Dell E2414H 22"
Resolution: 1920x1080
Temperature: 31 C (idle), 33 C (intensive use)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
3DMark: http://www.3dmark.com/3dm/4329733?
Upgraded specs, XP+HDD - 90-115 FPS (CSGO), 65-75 FPS (Dota 2):
OS: Windows XP 32 bit
Drive: HDD Western Digital 1 TB
RAM: Kingston 4 GB DDR
CPU: Intel Core i3 540 3.07 GHz
GPU: nVidia GeForce GTX 750 Ti 2 GB RAM
Motherboard: Gigabyte GA-H55M-S2
Monitor: Dell E2414H 22"
Resolution: 1920x1080
Temperature: 31 C (idle), 33 C (intensive use)
CPU usage: 7-14% (Dota 2/CSGO)
RAM usage: 750-1000 MB (Dota 2/CSGO)
3DMark06: http://www.3dmark.com/3dm06/17668429
Question: What is the reason of the decrease in performance? Is my CPU at fault? It seems to give 50% worse results on the benchmark (on Windows 7, on Windows XP it seems to work just fine?).
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