Product comparison · 2 gpus

HP LD542AA graphics card NVIDIA Quadro 400 vs HP QK551AA graphics card AMD FirePro 2270

20specifications compared
8differ
12identical
18known for one product only

Key differences

Graphics processor family
- LD542AA graphics card NVIDIA Quadro 400:NVIDIA
- QK551AA graphics card AMD FirePro 2270:AMD
Graphics processor
- LD542AA graphics card NVIDIA Quadro 400:Quadro 400
- QK551AA graphics card AMD FirePro 2270:FirePro 2270
CUDA
- LD542AA graphics card NVIDIA Quadro 400:Yes
- QK551AA graphics card AMD FirePro 2270:No
DirectX version
- LD542AA graphics card NVIDIA Quadro 400:10.1
- QK551AA graphics card AMD FirePro 2270:11
HDCP
- LD542AA graphics card NVIDIA Quadro 400:No
- QK551AA graphics card AMD FirePro 2270:Yes
Cooling type
- LD542AA graphics card NVIDIA Quadro 400:Active
- QK551AA graphics card AMD FirePro 2270:Passive
Power consumption (typical)
- LD542AA graphics card NVIDIA Quadro 400:32 W
- QK551AA graphics card AMD FirePro 2270:15 W

Side by side

Differences highlightedShow differences only

Comparison of LD542AA, QK551AA
38 specifications	A HP LD542AA graphics card NVIDIA Quadro 400 Model LD542AA View product	B HP QK551AA graphics card AMD FirePro 2270 Model QK551AA View product
Processor3 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorDiffers	Quadro 400	FirePro 2270
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDADiffers	Yes	No
Processor frequencyKnown for one	Unknown — not stated by the source	600 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Maximum analog resolutionKnown for one	Unknown — not stated by the source	2048 x 1536 pixels
Maximum digital resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Parallel processing technology support	Not supported	Not supported
CUDA coresKnown for one	48	Unknown — not stated by the source
Memoryidentical
Discrete graphics card memory	0.5 GB	0.5 GB
Graphics card memory type	GDDR3	GDDR3
Memory bus	64 bit	64 bit
Memory clock speedKnown for one	Unknown — not stated by the source	600 MHz
Memory bandwidth (max)Known for one	12.3 GB/s	Unknown — not stated by the source
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
DMS-59 ports quantityKnown for one	Unknown — not stated by the source	1
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Performance2 differ
PhysX	No	No
TV tuner integrated	No	No
DirectX versionDiffers	10.1	11
OpenGL version	4.1	4.1
HDCPDiffers	No	Yes
Dual Link DVI	Yes	Yes
Shader model versionKnown for one	4.0	Unknown — not stated by the source
NVIDIA 3D VisionKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Cooling typeDiffers	Active	Passive
Power1 differ
Minimum system power supplyKnown for one	Unknown — not stated by the source	350 W
Power consumption (typical)Differs	32 W	15 W
System requirementsidentical
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Minimum system requirementsKnown for one	Unknown — not stated by the source	PCI-Ex16 CD-ROM
Minimum RAMKnown for one	Unknown — not stated by the source	256 MB
Other features1 differ
Mac compatibility	No	No
HDMI	No	No
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Windows Vista Windows 7 Linux 14
External video modes refresh rate (max)Known for one	Unknown — not stated by the source	85 Hz
Graphics card interfaceDiffers	Nízky profil	Nízkoprofilové, polovičná dĺžka

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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