Product comparison · 2 gpus

HP QN139AV graphics card AMD Radeon HD6450 GDDR3 vs HP QN140AV graphics card AMD Radeon HD6570

Key differences

Graphics processor
- QN139AV graphics card AMD Radeon HD6450 GDDR3:Radeon HD6450
- QN140AV graphics card AMD Radeon HD6570:Radeon HD6570
Processor frequency
- QN139AV graphics card AMD Radeon HD6450 GDDR3:750 MHz
- QN140AV graphics card AMD Radeon HD6570:650 MHz
Stream processors
- QN139AV graphics card AMD Radeon HD6450 GDDR3:160
- QN140AV graphics card AMD Radeon HD6570:480
Memory bandwidth (max)
- QN139AV graphics card AMD Radeon HD6450 GDDR3:12.8 GB/s
- QN140AV graphics card AMD Radeon HD6570:28.8 GB/s
OpenGL version
- QN139AV graphics card AMD Radeon HD6450 GDDR3:4.1
- QN140AV graphics card AMD Radeon HD6570:4.0

Differences highlightedShow differences only

Comparison of QN139AV, QN140AV
25 specifications	A HP QN139AV graphics card AMD Radeon HD6450 GDDR3 Model QN139AV View product	B HP QN140AV graphics card AMD Radeon HD6570 Model QN140AV View product
Processor3 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD6450	Radeon HD6570
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Processor frequencyDiffers	750 MHz	650 MHz
Parallel processing technology supportKnown for one	Unknown — not stated by the source	2-Way CrossFireX
Stream processorsDiffers	160	480
Memory1 differ
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Graphics card memory type	GDDR3	GDDR3
Memory busKnown for one	Unknown — not stated by the source	128 bit
Memory clock speedKnown for one	Unknown — not stated by the source	900 MHz
Memory bandwidth (max)Differs	12.8 GB/s	28.8 GB/s
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
HDMI ports quantity	1	1
DisplayPorts quantity	1	1
DVI ports quantity	1	1
VGA (D-Sub) ports quantity	1	1
Performance1 differ
PhysX	No	No
TV tuner integrated	No	No
DirectX version	11	11
Shader model version	5.0	5.0
OpenGL versionDiffers	4.1	4.0
HDCP	Yes	Yes
Dual Link DVI	Yes	Yes
Designidentical
Cooling type	Active	Active
Other featuresidentical
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.