CLUB3D CGAX-7977C graphics card AMD Radeon HD7970 vs CLUB3D Radeon HD 7970

Comparison of CGAX-7977C, Radeon HD 7970

61 specifications	A CLUB3D CGAX-7977C graphics card AMD Radeon HD7970 Model CGAX-7977C View product	B CLUB3D Radeon HD 7970View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorKnown for one	Radeon HD7970	—Unknown — not stated by the source
Maximum resolutionDiffers	4096 x 2160 pixels	4096 x 3112 pixels
Processor frequency	925 MHz	925 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Maximum analog resolutionKnown for one	2048 x 1536 pixels	—Unknown — not stated by the source
Maximum digital resolutionKnown for one	4096 x 3112 pixels	—Unknown — not stated by the source
Maximum displays per videocard	6	6
Parallel processing technology supportDiffers	APP, Quad-GPU CrossFireX	APP, Hybrid CrossFireX, Quad-GPU CrossFireX
Stream processors	2048	2048
CUDAKnown for one	—Unknown — not stated by the source	No
Memoryidentical
Discrete graphics card memory	3 GB	3 GB
Graphics card memory typeKnown for one	GDDR5	—Unknown — not stated by the source
Memory bus	384 bit	384 bit
Memory clock speed	5500 MHz	5500 MHz
Memory bandwidth (max)	264 GB/s	264 GB/s
Ports & interfacesidentical
Interface type	PCI Express 3.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantityKnown for one	0	—Unknown — not stated by the source
DVI-I ports quantity	1	1
DisplayPorts quantityKnown for one	0	—Unknown — not stated by the source
HDMI version	1.4a	1.4a
DVI ports quantityKnown for one	1	—Unknown — not stated by the source
Mini DisplayPorts quantity	2	2
VGA (D-Sub) ports quantityKnown for one	0	—Unknown — not stated by the source
Performanceidentical
PhysX	No	No
TV tuner integrated	No	No
DirectX version	11.1	11.1
Shader model version	5.0	5.0
OpenGL version	4.2	4.2
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
Full HD	Yes	Yes
Design1 differ
Cooling type	Active	Active
Bracket heightKnown for one	Full-Height (FH)	—Unknown — not stated by the source
Form factorDiffers	Full-Height/Full-Length (FH/FL)	ATX
Number of slots	2	2
CertificationKnown for one	FCC, CE, RoHS	—Unknown — not stated by the source
Poweridentical
Minimum system power supply	500 W	500 W
Power consumption (typical)	250 W	250 W
Supplementary power connectors	1x 6-pin, 1x 8-pin	1x 6-pin, 1x 8-pin
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Ho
Minimum system requirementsKnown for one	CD-ROM	—Unknown — not stated by the source
Minimum RAM	1024 MB	1024 MB
Minimum storage drive space	200 MB	200 MB
Weight & dimensionsidentical
Weight	1.11 kg	1.11 kg
Length	278 mm	278 mm
Depth	34 mm	34 mm
Height	107 mm	107 mm
Packaging contentidentical
Cables includedKnown for one	CrossFire	—Unknown — not stated by the source
User guideKnown for one	Yes	—Unknown — not stated by the source
Bundled softwareKnown for one	Catalyst configuration software	—Unknown — not stated by the source
Other featuresidentical
Cable typeKnown for one	HDMI - DVI	—Unknown — not stated by the source
HDMI	Yes	Yes
ChipsetKnown for one	Tahiti XT	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 7 Windows Vista Windows XP	—Unknown — not stated by the source
Dimensions (WxDxH)	278 x 107 x 34 mm	278 x 107 x 34 mm
Mac compatibilityKnown for one	—Unknown — not stated by the source	No
Packaging dataidentical
Package widthKnown for one	—Unknown — not stated by the source	385 mm
Package depthKnown for one	—Unknown — not stated by the source	324 mm
Package heightKnown for one	—Unknown — not stated by the source	233 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.