Product comparison · 2 gpus

MSI R6850 CYC 1GD5 PE/OC vs MSI R6990-4PD4GD5 graphics card AMD Radeon HD6990

Key differences

Graphics processor
- R6850 CYC 1GD5 PE/OC:Radeon HD6850
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:Radeon HD6990
Processor frequency
- R6850 CYC 1GD5 PE/OC:860 MHz
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:830 MHz
Discrete graphics card memory
- R6850 CYC 1GD5 PE/OC:1 GB
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:4 GB
Memory clock speed
- R6850 CYC 1GD5 PE/OC:4200 MHz
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:5000 MHz
DVI-I ports quantity
- R6850 CYC 1GD5 PE/OC:2
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:1
OpenGL version
- R6850 CYC 1GD5 PE/OC:4.0
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:4.1
Length
- R6850 CYC 1GD5 PE/OC:217 mm
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:310 mm
Depth
- R6850 CYC 1GD5 PE/OC:38 mm
- R6990-4PD4GD5 graphics card AMD Radeon HD6990:40 mm

Differences highlightedShow differences only

Comparison of R6850 CYC 1GD5 PE/OC, R6990-4PD4GD5
27 specifications	A MSI R6850 CYC 1GD5 PE/OC View product	B MSI R6990-4PD4GD5 graphics card AMD Radeon HD6990 Model R6990-4PD4GD5 View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD6850	Radeon HD6990
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	No	No
Processor frequencyDiffers	860 MHz	830 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Memory2 differ
Discrete graphics card memoryDiffers	1 GB	4 GB
Graphics card memory type	GDDR5	GDDR5
Memory bus	256 bit	256 bit
Memory clock speedDiffers	4200 MHz	5000 MHz
Ports & interfaces1 differ
Interface type	PCI Express 2.1	PCI Express 2.1
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI-I ports quantityDiffers	2	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	4
Performance1 differ
PhysX	No	No
TV tuner integrated	No	No
DirectX version	11	11
OpenGL versionDiffers	4.0	4.1
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
Designidentical
Cooling type	Active	Active
Weight & dimensions3 differ
LengthDiffers	217 mm	310 mm
DepthDiffers	38 mm	40 mm
HeightDiffers	120 mm	115 mm
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes

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.