Product comparison · 2 gpus

HP ATI Radeon HD 4650 1GB vs Lenovo 45K1670 graphics card NVIDIA GDDR3

10specifications compared
6differ
4identical
17known for one product only

Key differences

Graphics card memory type
- ATI Radeon HD 4650 1GB:GDDR2
- 45K1670 graphics card NVIDIA GDDR3:GDDR3
Memory bandwidth (max)
- ATI Radeon HD 4650 1GB:16 GB/s
- 45K1670 graphics card NVIDIA GDDR3:22.4 GB/s
Interface type
- ATI Radeon HD 4650 1GB:PCI Express x16
- 45K1670 graphics card NVIDIA GDDR3:PCI Express 2.0
DVI ports quantity
- ATI Radeon HD 4650 1GB:1
- 45K1670 graphics card NVIDIA GDDR3:2
DirectX version
- ATI Radeon HD 4650 1GB:10.1
- 45K1670 graphics card NVIDIA GDDR3:10
OpenGL version
- ATI Radeon HD 4650 1GB:2.1
- 45K1670 graphics card NVIDIA GDDR3:3.0

Side by side

Differences highlightedShow differences only

Comparison of ATI Radeon HD 4650 1GB, 45K1670
27 specifications	A HP ATI Radeon HD 4650 1GB View product	B Lenovo 45K1670 graphics card NVIDIA GDDR3 Model 45K1670 View product
Processoridentical
Graphics processor familyKnown for one	Unknown — not stated by the source	NVIDIA
Processor front side busKnown for one	600 MHz	Unknown — not stated by the source
Graphics card RAMDACKnown for one	400 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
Memory2 differ
Graphics card memory typeDiffers	GDDR2	GDDR3
Memory bandwidth (max)Differs	16 GB/s	22.4 GB/s
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Memory clock speedKnown for one	500 MHz	Unknown — not stated by the source
Ports & interfaces2 differ
Interface typeDiffers	PCI Express x16	PCI Express 2.0
DVI ports quantityDiffers	1	2
I/O portsKnown for one	Unknown — not stated by the source	DVI
HDMI 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
Performance2 differ
DirectX versionDiffers	10.1	10
Shader model versionKnown for one	Unknown — not stated by the source	4.0
OpenGL versionDiffers	2.1	3.0
Designidentical
CertificationKnown for one	Unknown — not stated by the source	EnergyStar
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	190 g
LengthKnown for one	Unknown — not stated by the source	168 mm
DepthKnown for one	Unknown — not stated by the source	19 mm
HeightKnown for one	Unknown — not stated by the source	111.2 mm
Other featuresidentical
Compatible productsKnown for one	Unknown — not stated by the source	ThinkStation S20, D20

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.

More gpu comparisons

All gpu comparisons