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XFX HD-645X-ZQH2

HD-645X-ZQH2

XFX

XFX FX-787A-CNFC

FX-787A-CNFC

XFX

HD-645X-ZQH2
FX-787A-CNFC

Basic Info

Brand
XFX
XFX
Model

HD-645X-ZQH2

FX-787A-CNFC

Interface

Interface
PCI Express 2.1 x16
PCI Express 3.0 x16

Chipset

Chipset Manufacturer
AMD
AMD
GPU Series
False
Core Edition
GPU
Radeon HD 6450
Radeon HD 7870 GHz Edition
Core Clock
650 MHz
1000 MHz
Boost Clock
False
False
Shader Clock
False
False
CUDA Cores
False
False
Stream Processors
160
1280

Memory

Effective Memory Clock
1066 MHz
1200 MHz
Memory Size

1GB

2GB

Memory Interface
64-Bit
256-Bit
Memory Type
DDR3
GDDR5

3D API

DirectX
DirectX 11
DirectX 11
OpenGL
OpenGL 4.1
OpenGL 4.2

Display Connectors

VGA Connection
False
False
D-SUB Connection

1

False
DVI Connection

1

2

HDMI Connection

1

1

DisplayPort Connection
False

2

Multi-Monitor Support

3

4

More Details

RAMDAC
400 MHz
400 MHz
Max Resolution (Digital)
2560 x 1600
2560 x 1600
Max Resolution (Analog)
2048 x 1536
False
SLI Support
False
False
Cooler
Fanless
False
Power Connector
False

2 x 6-Pin

Operating Systems Supported
False
Windows 7, Windows Vista, Windows XP
Recommended PSU
400W or greater
500W or greater
Dual-Link DVI Supported
1
1
HDCP Ready
1
1
Eyefinity Support
False
1
CrossFireX Support
False
1
Virtual Reality Ready
False
False

Form Factor & Dimensions

Form Factor
Low Profile Ready
False
Max GPU Length
False
False
Card Dimensions (L x H)
7.13" x 3.19" x 1.1"
9.5" x 4.4" x 1.5"
Slot Width
False
False