FX-777A-ZDB4
FX-787A-CNFC
100-505737
Basic Info
Brand
XFX
XFX
AMD
Model
FX-777A-ZDB4
FX-787A-CNFC
100-505737
Interface
Interface
PCI Express 3.0 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 7770
Radeon HD 7870 GHz Edition
FirePro W5100
Core Clock
1095 MHz
1000 MHz
930 MHz
Boost Clock
False
False
False
Shader Clock
False
False
False
CUDA Cores
False
False
False
Stream Processors
640
1280
768
Memory
Effective Memory Clock
1245 MHz
1200 MHz
False
Memory Size
1GB
2GB
4GB
Memory Interface
128-Bit
256-Bit
128-bit
Memory Type
GDDR5
GDDR5
GDDR5
3D API
DirectX
DirectX 11
DirectX 11
DirectX 11.2
OpenGL
OpenGL 4.2
OpenGL 4.2
OpenGL 4.4
Display Connectors
VGA Connection
False
False
False
D-SUB Connection
False
False
False
DVI Connection
2
2
False
HDMI Connection
1
1
False
DisplayPort Connection
1
2
4
Multi-Monitor Support
False
4
False
More Details
RAMDAC
400 MHz
400 MHz
False
Max Resolution (Digital)
False
2560 x 1600
4096 x 2160
Max Resolution (Analog)
False
False
4096 x 2160
SLI Support
False
False
False
Cooler
With Fan
False
With Fan
Power Connector
6-Pin
2 x 6-Pin
False
Operating Systems Supported
False
Windows 7, Windows Vista, Windows XP
Windows, Linux
Recommended PSU
450W or greater
500W or greater
500 W Power Supply
Dual-Link DVI Supported
1
1
False
HDCP Ready
1
1
False
Eyefinity Support
1
1
False
CrossFireX Support
1
1
False
Virtual Reality Ready
False
False
False
Form Factor & Dimensions
Form Factor
False
False
False
Max GPU Length
False
False
False
Card Dimensions (L x H)
8.8" x 4.4" x 1.5"
9.5" x 4.4" x 1.5"
11.5"x 9.5"
Slot Width
False
False
False
