Product comparison · 2 gpus

CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 vs MSI GeForce GTX 660 Ti Twin Frozr III 3GB

45specifications compared
24differ
21identical
16known for one product only

Key differences

The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 885 MHz more processor frequency than the MSI GeForce GTX 660 Ti Twin Frozr III 3GB (1800 MHz vs 915 MHz). The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 870 MHz more processor boost clock speed than the MSI GeForce GTX 660 Ti Twin Frozr III 3GB (1850 MHz vs 980 MHz). The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 2 more maximum displays per videocard than the MSI GeForce GTX 660 Ti Twin Frozr III 3GB (6 vs 4). Only the MSI GeForce GTX 660 Ti Twin Frozr III 3GB has CUDA. Only the MSI GeForce GTX 660 Ti Twin Frozr III 3GB has PhysX.

Graphics processor family
- CGAX-7999 graphics card AMD Radeon HD7990:AMD
- GeForce GTX 660 Ti Twin Frozr III 3GB:NVIDIA
Graphics processor
- CGAX-7999 graphics card AMD Radeon HD7990:Radeon HD7990
- GeForce GTX 660 Ti Twin Frozr III 3GB:GeForce GTX 660 Ti
CUDA
- CGAX-7999 graphics card AMD Radeon HD7990:No
- GeForce GTX 660 Ti Twin Frozr III 3GB:Yes
Processor frequency
- CGAX-7999 graphics card AMD Radeon HD7990:1800 MHz
- GeForce GTX 660 Ti Twin Frozr III 3GB:915 MHz
Processor boost clock speed
- CGAX-7999 graphics card AMD Radeon HD7990:1850 MHz
- GeForce GTX 660 Ti Twin Frozr III 3GB:980 MHz
Maximum digital resolution
- CGAX-7999 graphics card AMD Radeon HD7990:4096 x 3112 pixels
- GeForce GTX 660 Ti Twin Frozr III 3GB:2560 x 1600 pixels
Maximum displays per videocard
- CGAX-7999 graphics card AMD Radeon HD7990:6
- GeForce GTX 660 Ti Twin Frozr III 3GB:4
Parallel processing technology support
- CGAX-7999 graphics card AMD Radeon HD7990:Quad-GPU CrossFireX
- GeForce GTX 660 Ti Twin Frozr III 3GB:2-Way SLI

Side by side

Differences highlightedShow differences only

Comparison of CGAX-7999, GeForce GTX 660 Ti Twin Frozr III 3GB
61 specifications	A CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 Model CGAX-7999 View product	B MSI GeForce GTX 660 Ti Twin Frozr III 3GB View product
Processor9 differ
Graphics processor familyDiffers	AMD	NVIDIA
Graphics processorDiffers	Radeon HD7990	GeForce GTX 660 Ti
Maximum resolutionKnown for one	4096 x 3112 pixels	Unknown — not stated by the source
CUDADiffers	No	Yes
Processor frequencyDiffers	1800 MHz	915 MHz
Processor boost clock speedDiffers	1850 MHz	980 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Maximum digital resolutionDiffers	4096 x 3112 pixels	2560 x 1600 pixels
Maximum displays per videocardDiffers	6	4
Parallel processing technology supportDiffers	Quad-GPU CrossFireX	2-Way SLI
Stream processorsDiffers	4096	1344
CUDA coresKnown for one	Unknown — not stated by the source	1344
Memory3 differ
Discrete graphics card memoryDiffers	6 GB	3 GB
Graphics card memory type	GDDR5	GDDR5
Memory clock speedDiffers	5500 MHz	6008 MHz
Memory bandwidth (max)Differs	21.6 GB/s	144.2 GB/s
Memory busKnown for one	Unknown — not stated by the source	192 bit
Ports & interfaces1 differ
Interface type	PCI Express 3.0	PCI Express 3.0
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
DVI-I ports quantity	1	1
DisplayPorts quantityDiffers	0	1
HDMI version	1.4a	1.4a
DVI ports quantity	2	2
DisplayPort versionKnown for one	1.2	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
VGA (D-Sub) ports quantity	0	0
Performance3 differ
PhysXDiffers	No	Yes
TV tuner integrated	No	No
DirectX versionDiffers	11.1	11
Shader model version	5.0	5.0
OpenGL versionDiffers	4.2	4.3
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
Full HD	Yes	Yes
Design1 differ
Cooling type	Active	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factor	Full-Height/Full-Length (FH/FL)	Full-Height/Full-Length (FH/FL)
Number of slotsDiffers	3	2
Product colourKnown for one	Black	Unknown — not stated by the source
Power3 differ
Minimum system power supplyDiffers	1000 W	450 W
Power consumption (typical)Differs	500 W	150 W
Supplementary power connectorsDiffers	3x 8-pin	2x 6-pin
System requirementsidentical
Windows operating systems supported	Yes	Yes
Minimum RAMKnown for one	2048 MB	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightKnown for one	1.79 kg	Unknown — not stated by the source
LengthDiffers	308 mm	270 mm
DepthDiffers	62 mm	38.8 mm
HeightDiffers	137 mm	129 mm
Packaging contentidentical
Cables includedKnown for one	CrossFire	Unknown — not stated by the source
User guide	Yes	Yes
Bundled softwareKnown for one	Driver & E-Manual CD	Unknown — not stated by the source
Other features1 differ
Mac compatibilityKnown for one	No	Unknown — not stated by the source
HDMI	Yes	Yes
Compatible operating systemsKnown for one	Microsoft Windows 8 32/64-Bit Microsoft Windows 7 32/64-Bit Microsoft Windows Vista 32/64-Bit Microsoft Windows XP 32/64-Bit	Unknown — not stated by the source
Number of processors installedDiffers	2	1
Graphics card familyKnown for one	Unknown — not stated by the source	NVIDIA
Maximum operating temperatureKnown for one	Unknown — not stated by the source	97 °C

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.

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