Product comparison · 2 gpus

ASUS 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870 vs ASUS EAH4870X2 TOP/HTDI/2G

Key differences

Graphics processor
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:Radeon HD4870
- EAH4870X2 TOP/HTDI/2G:Radeon HD4870 X2
Processor frequency
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:750 MHz
- EAH4870X2 TOP/HTDI/2G:790 MHz
Discrete graphics card memory
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:0.5 GB
- EAH4870X2 TOP/HTDI/2G:2 GB
Memory bus
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:256 bit
- EAH4870X2 TOP/HTDI/2G:512 bit
Memory clock speed
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:3600 MHz
- EAH4870X2 TOP/HTDI/2G:3660 MHz
I/O ports
- 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870:1 x HDTV Output(YPbPr)
- EAH4870X2 TOP/HTDI/2G:1 x HDTV Output (YPbPr)

Differences highlightedShow differences only

Comparison of 90-C1CM20-J0UAY00Z, EAH4870X2 TOP/HTDI/2G
29 specifications	A ASUS 90-C1CM20-J0UAY00Z graphics card AMD Radeon HD4870 Model 90-C1CM20-J0UAY00Z View product	B ASUS EAH4870X2 TOP/HTDI/2G View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD4870	Radeon HD4870 X2
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	No	No
Processor frequencyDiffers	750 MHz	790 MHz
Graphics card RAMDAC	400 MHz	400 MHz
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Parallel processing technology support	2-Way CrossFireX	2-Way CrossFireX
Memory3 differ
Discrete graphics card memoryDiffers	0.5 GB	2 GB
Graphics card memory type	GDDR5	GDDR5
Memory busDiffers	256 bit	512 bit
Memory clock speedDiffers	3600 MHz	3660 MHz
Ports & interfaces1 differ
Interface type	PCI Express 2.0	PCI Express 2.0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
DVI-I ports quantity	2	2
DisplayPorts quantity	0	0
TV-out	Yes	Yes
VGA (D-Sub) ports quantity	0	0
I/O portsDiffers	1 x HDTV Output(YPbPr)	1 x HDTV Output (YPbPr)
Performanceidentical
PhysX	No	No
TV tuner integrated	No	No
DirectX version	10.1	10.1
Shader model version	4.1	4.1
OpenGL version	2.1	2.1
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
Designidentical
Cooling type	Active	Active
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No

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.