HD-645X-ZQH2
FX-787A-CNFC
100-505737
Basic Info
Brand
XFX
XFX
AMD
Model
HD-645X-ZQH2
FX-787A-CNFC
100-505737
Interface
Interface
PCI Express 2.1 x16
PCI Express 3.0 x16
PCI Express 3.0 x16
Chipset
Chipset Manufacturer
AMD
AMD
False
GPU Series
False
Core Edition
False
GPU
Radeon HD 6450
Radeon HD 7870 GHz Edition
FirePro W5100
Core Clock
650 MHz
1000 MHz
930 MHz
Boost Clock
False
False
False
Shader Clock
False
False
False
CUDA Cores
False
False
False
Stream Processors
160
1280
768
Memory
Effective Memory Clock
1066 MHz
1200 MHz
False
Memory Size
1GB
2GB
4GB
Memory Interface
64-Bit
256-Bit
128-bit
Memory Type
DDR3
GDDR5
GDDR5
3D API
DirectX
DirectX 11
DirectX 11
DirectX 11.2
OpenGL
OpenGL 4.1
OpenGL 4.2
OpenGL 4.4
Display Connectors
VGA Connection
False
False
False
D-SUB Connection
1
False
False
DVI Connection
1
2
False
HDMI Connection
1
1
False
DisplayPort Connection
False
2
4
Multi-Monitor Support
3
4
False
More Details
RAMDAC
400 MHz
400 MHz
False
Max Resolution (Digital)
2560 x 1600
2560 x 1600
4096 x 2160
Max Resolution (Analog)
2048 x 1536
False
4096 x 2160
SLI Support
False
False
False
Cooler
Fanless
False
With Fan
Power Connector
False
2 x 6-Pin
False
Operating Systems Supported
False
Windows 7, Windows Vista, Windows XP
Windows, Linux
Recommended PSU
400W or greater
500W or greater
500 W Power Supply
Dual-Link DVI Supported
1
1
False
HDCP Ready
1
1
False
Eyefinity Support
False
1
False
CrossFireX Support
False
1
False
Virtual Reality Ready
False
False
False
Form Factor & Dimensions
Form Factor
Low Profile Ready
False
False
Max GPU Length
False
False
False
Card Dimensions (L x H)
7.13" x 3.19" x 1.1"
9.5" x 4.4" x 1.5"
11.5"x 9.5"
Slot Width
False
False
False
