Product comparison · 2 gpus

Lenovo 45K1670 graphics card NVIDIA GDDR3 vs MSI Radeon HD 4890

11specifications compared
6differ
5identical
19known for one product only

Key differences

Graphics card memory type
- 45K1670 graphics card NVIDIA GDDR3:GDDR3
- Radeon HD 4890:GDDR5
Memory bus
- 45K1670 graphics card NVIDIA GDDR3:128 bit
- Radeon HD 4890:256 bit
Memory bandwidth (max)
- 45K1670 graphics card NVIDIA GDDR3:22.4 GB/s
- Radeon HD 4890:124.8 GB/s
DirectX version
- 45K1670 graphics card NVIDIA GDDR3:10
- Radeon HD 4890:10.1
Shader model version
- 45K1670 graphics card NVIDIA GDDR3:4.0
- Radeon HD 4890:4.1
OpenGL version
- 45K1670 graphics card NVIDIA GDDR3:3.0
- Radeon HD 4890:2.1

Side by side

Differences highlightedShow differences only

Comparison of 45K1670, Radeon HD 4890
30 specifications	A Lenovo 45K1670 graphics card NVIDIA GDDR3 Model 45K1670 View product	B MSI Radeon HD 4890 View product
Processoridentical
Processor frequencyKnown for one	Unknown — not stated by the source	880 MHz
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Stream processorsKnown for one	Unknown — not stated by the source	800
Graphics processor familyKnown for one	NVIDIA	Unknown — not stated by the source
Memory3 differ
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	128 bit	256 bit
Memory clock speedKnown for one	Unknown — not stated by the source	3996 MHz
Memory bandwidth (max)Differs	22.4 GB/s	124.8 GB/s
Ports & interfacesidentical
TV-outKnown for one	Unknown — not stated by the source	Yes
I/O portsKnown for one	DVI	Unknown — not stated by the source
Performance3 differ
DirectX versionDiffers	10	10.1
Shader model versionDiffers	4.0	4.1
OpenGL versionDiffers	3.0	2.1
HDCPKnown for one	Unknown — not stated by the source	Yes
Texture Fill Rate (TFR)Known for one	Unknown — not stated by the source	34 GTexel/s
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)
CertificationKnown for one	EnergyStar	Unknown — not stated by the source
Other featuresidentical
HDMIKnown for one	Unknown — not stated by the source	Yes
Compatible productsKnown for one	ThinkStation S20, D20	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	190 g	Unknown — not stated by the source
LengthKnown for one	168 mm	Unknown — not stated by the source
DepthKnown for one	19 mm	Unknown — not stated by the source
HeightKnown for one	111.2 mm	Unknown — not stated by the source

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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