Product comparison · 2 gpus

HP ATI Radeon HD 4650 1GB vs Lenovo 45K1672 graphics card GDDR3

10specifications compared
5differ
5identical
14known for one product only

Key differences

Graphics card memory type
- ATI Radeon HD 4650 1GB:GDDR2
- 45K1672 graphics card GDDR3:GDDR3
Memory bus
- ATI Radeon HD 4650 1GB:128 bit
- 45K1672 graphics card GDDR3:192 bit
Memory bandwidth (max)
- ATI Radeon HD 4650 1GB:16 GB/s
- 45K1672 graphics card GDDR3:38.4 GB/s
DirectX version
- ATI Radeon HD 4650 1GB:10.1
- 45K1672 graphics card GDDR3:10
OpenGL version
- ATI Radeon HD 4650 1GB:2.1
- 45K1672 graphics card GDDR3:3.0

Side by side

Differences highlightedShow differences only

Comparison of ATI Radeon HD 4650 1GB, 45K1672
24 specifications	A HP ATI Radeon HD 4650 1GB View product	B Lenovo 45K1672 graphics card GDDR3 Model 45K1672 View product
Processoridentical
Processor front side busKnown for one	600 MHz	Unknown — not stated by the source
Maximum analog resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Maximum digital resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Memory3 differ
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Graphics card memory typeDiffers	GDDR2	GDDR3
Memory busDiffers	128 bit	192 bit
Memory clock speedKnown for one	500 MHz	Unknown — not stated by the source
Memory bandwidth (max)Differs	16 GB/s	38.4 GB/s
Ports & interfacesidentical
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI ports quantityKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	1 DVI-I (dual-link); 2 DisplayPort One DisplayPort to DVI-D and one DVI to VGA adapter included ('DisplayPort to VGA' and 'DisplayPort to Dual Link DVI' adapters available as an accessory)
Performance2 differ
DirectX versionDiffers	10.1	10
OpenGL versionDiffers	2.1	3.0
Designidentical
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Form factorKnown for one	Unknown — not stated by the source	Full-Height/Full-Length (FH/FL)
Weight & dimensionsidentical
LengthKnown for one	Unknown — not stated by the source	198.1 mm
HeightKnown for one	Unknown — not stated by the source	111.2 mm

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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