HD-645X-ZQH2
R9-290A-EDBD
R7-240-2GD3-LP
ON-XFX1-PLS2
Basic Info
Brand
XFX
XFX
MSI
XFX
Model
HD-645X-ZQH2
R9-290A-EDBD
R7 240 2GD3 LP
ON-XFX1-PLS2
Interface
Interface
PCI Express 2.1 x16
PCI Express 3.0 x16
PCI Express 3.0 x16
False
Chipset
Chipset Manufacturer
AMD
AMD
AMD
ATI
GPU Series
False
Black Edition Double Dissipation
AMD Radeon R7 200 Series
AMD Radeon HD 5000 series
GPU
Radeon HD 6450
Radeon R9 290
Radeon R7 240
Radeon HD 5450
Core Clock
650 MHz
980 MHz
730 MHz
650 MHz
Boost Clock
False
False
780 MHz
False
Shader Clock
False
False
False
False
CUDA Cores
False
False
False
False
Stream Processors
160
2560
False
80
Memory
Effective Memory Clock
1066 MHz
5000 MHz
1800 MHz
1066 MHz
Memory Size
1GB
4GB
2GB
1GB
Memory Interface
64-Bit
512-Bit
128-Bit
64-Bit
Memory Type
DDR3
GDDR5
DDR3
DDR3
3D API
DirectX
DirectX 11
DirectX 11.2
DirectX 12
DirectX 11
OpenGL
OpenGL 4.1
OpenGL 4.3
OpenGL 4.3
OpenGL 3.2
Display Connectors
VGA Connection
False
False
False
False
D-SUB Connection
1
False
1
1
DVI Connection
1
2
1
1
HDMI Connection
1
1
1
1
DisplayPort Connection
False
1
False
False
Multi-Monitor Support
3
6
False
False
More Details
RAMDAC
400 MHz
False
400 MHz
400 MHz
Max Resolution (Digital)
2560 x 1600
4096 x 2160
False
DIGITAL: 2560 x 1600
Max Resolution (Analog)
2048 x 1536
False
False
ANALOG: 2048 x 1536
SLI Support
False
False
False
False
Cooler
Fanless
XFX Dual Fan
With Fan
Heatsink
Power Connector
False
6-Pin / 8-Pin
False
False
Operating Systems Supported
False
False
False
False
Recommended PSU
400W or greater
750W or greater
False
False
Dual-Link DVI Supported
1
1
False
1
HDCP Ready
1
1
1
1
Eyefinity Support
False
1
False
False
CrossFireX Support
False
1
False
1
Virtual Reality Ready
False
False
False
False
Form Factor & Dimensions
Form Factor
Low Profile Ready
False
Low Profile
Low Profile Ready
Max GPU Length
False
False
False
False
Card Dimensions (L x H)
7.13" x 3.19" x 1.1"
11.61" x 5.63"
5.67" x 2.72"
7.17" x 3.19"
Slot Width
False
Dual Slot
Single Slot
Single Slot
