Changement de matériel

Bonjour,
je voudrez savoir si je change simplement ma carte graphique et la Ram je pourrai faire passé les derniers jeux sorti?
ou si il faut change le processeur aussi?
Merci

Voici ma config:
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System Information
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Operating System: Windows 7 Édition Familiale Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_ldr.160408-2045)
Language: French (Regional Setting: French)
System Manufacturer: Acer
System Model: Aspire M1935
BIOS: BIOS Date: 05/07/12 15:55:05 Ver: 04.06.05
Processor: Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 6144MB RAM
Available OS Memory: 6092MB RAM
Page File: 6138MB used, 6044MB available
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 144 DPI (150 percent)
System DPI Setting: 120 DPI (125 percent)

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Display Devices
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Card name: AMD Radeon HD 7350
Manufacturer: Advanced Micro Devices, Inc.
Chip type: AMD Radeon Graphics Processor (0x68FA)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_68FA&SUBSYS_E153174B&REV_00
Display Memory: 3803 MB
Dedicated Memory: 1012 MB
Shared Memory: 2790 MB
Current Mode: 1776 x 1000 (32 bit) (59Hz)