New Graphics Card - Please help!

OJPC

Reputable
Sep 19, 2014
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Operating System: Windows 7 Professional 64-bit (6.1, Build 7601) Service Pack 1
Language: English (Regional Setting: English)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: H67MA-USB3-B3
BIOS: Award Modular BIOS v6.00PG
Processor: Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz (8 CPUs), ~3.8GHz
Memory: 8192MB RAM
Available OS Memory: 8176MB RAM
Page File: 4843MB used, 11505MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11

Card name: AMD Radeon HD 6800 Series
Manufacturer: Advanced Micro Devices, Inc.
Chip type: AMD Radeon Graphics Processor (0x6738)
DAC type: Internal DAC(400MHz)
Display Memory: 747 MB
Dedicated Memory: 1011 MB
Shared Memory: 3831 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: PL2473HD
Monitor Id: IVM6107
Native Mode: 1920 x 1080(p) (60.000Hz)
Output Type: DVI
Corsair 750W PSU

They are my system specs, I don't have the best motherboard and I have a decent cpu, was thinking of going for an nvidia card, maybe a 760-770?
I don't really want to spend more than £200 on a GPU.

Could you please give me some advice on what graphics card to get, or if I'm going to run into any bottlenecks due to my current hardware.

Thank you all !