Product comparison · 2 gpus

Lenovo 43R1768 graphics card GDDR3 vs Lenovo 45J7917 graphics card GDDR2

Key differences

Maximum resolution
- 43R1768 graphics card GDDR3:2048 x 1536 pixels
- 45J7917 graphics card GDDR2:2560 x 1600 pixels
Graphics card memory type
- 43R1768 graphics card GDDR3:GDDR3
- 45J7917 graphics card GDDR2:GDDR2
Memory bus
- 43R1768 graphics card GDDR3:256 bit
- 45J7917 graphics card GDDR2:128 bit
Data transfer rate
- 43R1768 graphics card GDDR3:51.2 Gbit/s
- 45J7917 graphics card GDDR2:12.8 Gbit/s
DirectX version
- 43R1768 graphics card GDDR3:10
- 45J7917 graphics card GDDR2:10.0

Differences highlightedShow differences only

Comparison of 43R1768, 45J7917
18 specifications	A Lenovo 43R1768 graphics card GDDR3 Model 43R1768 View product	B Lenovo 45J7917 graphics card GDDR2 Model 45J7917 View product
Processor1 differ
Maximum resolutionDiffers	2048 x 1536 pixels	2560 x 1600 pixels
Memory3 differ
Graphics card memory typeDiffers	GDDR3	GDDR2
Memory busDiffers	256 bit	128 bit
Data transfer rateDiffers	51.2 Gbit/s	12.8 Gbit/s
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
DVI ports quantity	2	2
VGA (D-Sub) ports quantity	2	2
Dual VGAKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
DirectX versionDiffers	10	10.0
Shader model version	4.0	4.0
OpenGL version	2.1	2.1
Dual Link DVI	Yes	Yes
Designidentical
Cooling type	Active	Active
CertificationKnown for one	FCC (United States), CE (Europe), C-Tick (Australia/New Zealand), VCCI (Japan), UL, BSMI (Taiwan), MIC (Korea), ICES	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Other featuresidentical
Mac compatibility	No	No
Compatible operating systemsKnown for one	Microsoft Windows Vista (64-bit and 32-bit) Microsoft Windows XP (64-bit and 32-bit) Linux RedHat 5 - Full OpenGL implementation, complete with NVIDIA and ARB extensions (64-bit)	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.