Renouvelement de mon PC Gamer de 2008 / HELP

Bonjour,

J'ai un PC gamer qui datte de 2008. Cependant ils commence a ce faire vieux et j'ai essayé de jouer a Fornite hier mais le jeux était sacadé par moment ce qui le rendait injouable. J'ai ensuite constaté que mon processeur ne possèdait pas les prérequis pour jouer a ce derniers. Je me demandais donc si il valait mieux que je change simplement de processeur ou que je rachète un PC a nouveau. Voici ma configue :

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System Information
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Time of this report: 5/8/2018, 16:27:34
Machine name: DESKTOP-U68NE1T
Machine Id: {598E7C2C-9838-41A2-AC57-067F6DEA61F7}
Operating System: Windows 10 Professionnel 64-bit (10.0, Build 17134) (17134.rs4_release.180410-1804)
Language: French (Regional Setting: French)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: BIOS Date: 08/20/08 13:38:55 Ver: 08.00.14 (type: BIOS)
Processor: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz (2 CPUs), ~3.0GHz
Memory: 4096MB RAM
Available OS Memory: 4096MB RAM
Page File: 3209MB used, 4080MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 12
DX Setup Parameters: Not found
User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Miracast: Not Available
Microsoft Graphics Hybrid: Not Supported
DxDiag Version: 10.00.17134.0001 64bit Unicode

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Display Devices
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Card name: ATI Radeon HD 4800 Series
Manufacturer: Advanced Micro Devices, Inc.
Chip type: ATI display adapter (0x9440)
DAC type: Internal DAC(400MHz)
Device Type: Full Device (POST)
Device Key: Enum\PCI\VEN_1002&DEV_9440&SUBSYS_080110B0&REV_00
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 2809 MB
Dedicated Memory: 1017 MB
Shared Memory: 1792 MB
Current Mode: 1680 x 1050 (32 bit) (60Hz)
HDR Support: Not Supported
Display Topology: Internal
Display Color Space: DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709
Color Primaries: Red(0.649914,0.338391), Green(0.289562,0.609875), Blue(0.146008,0.070813), White Point(0.313000,0.329602)
Display Luminance: Min Luminance = 0.500000, Max Luminance = 270.000000, MaxFullFrameLuminance = 270.000000
Monitor Name: Generic PnP Monitor
Monitor Model: SyncMaster
Monitor Id: SAM03E2
Native Mode: 1680 x 1050(p) (59.883Hz)