Product comparison · 2 gpus

Lenovo 43R1768 graphics card GDDR3 vs Lenovo 45K1636 graphics card GDDR3

11specifications compared
8differ
3identical
11known for one product only

Key differences

Maximum resolution
- 43R1768 graphics card GDDR3:2048 x 1536 pixels
- 45K1636 graphics card GDDR3:2560 x 1600 pixels
Memory bus
- 43R1768 graphics card GDDR3:256 bit
- 45K1636 graphics card GDDR3:64 bit
Interface type
- 43R1768 graphics card GDDR3:PCI Express x16
- 45K1636 graphics card GDDR3:PCI Express 2.0
VGA (D-Sub) ports quantity
- 43R1768 graphics card GDDR3:2
- 45K1636 graphics card GDDR3:1
DirectX version
- 43R1768 graphics card GDDR3:10
- 45K1636 graphics card GDDR3:10.1
OpenGL version
- 43R1768 graphics card GDDR3:2.1
- 45K1636 graphics card GDDR3:2.0
Operating temperature (T-T)
- 43R1768 graphics card GDDR3:-10 - 55 °C
- 45K1636 graphics card GDDR3:10 - 35 °C
Operating relative humidity (H-H)
- 43R1768 graphics card GDDR3:10 - 90%
- 45K1636 graphics card GDDR3:8 - 80%

Side by side

Differences highlightedShow differences only

Comparison of 43R1768, 45K1636
22 specifications	A Lenovo 43R1768 graphics card GDDR3 Model 43R1768 View product	B Lenovo 45K1636 graphics card GDDR3 Model 45K1636 View product
Processor1 differ
Maximum resolutionDiffers	2048 x 1536 pixels	2560 x 1600 pixels
Memory1 differ
Graphics card memory type	GDDR3	GDDR3
Memory busDiffers	256 bit	64 bit
Data transfer rateKnown for one	51.2 Gbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
Interface typeDiffers	PCI Express x16	PCI Express 2.0
DVI ports quantityKnown for one	2	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	2	1
Performance2 differ
DirectX versionDiffers	10	10.1
Shader model versionKnown for one	4.0	Unknown — not stated by the source
OpenGL versionDiffers	2.1	2.0
Dual Link DVIKnown for one	Yes	Unknown — not stated by the source
HDCPKnown for one	Unknown — not stated by the source	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 conditions2 differ
Operating temperature (T-T)Differs	-10 - 55 °C	10 - 35 °C
Operating relative humidity (H-H)Differs	10 - 90%	8 - 80%
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
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	430 g
LengthKnown for one	Unknown — not stated by the source	167 mm
DepthKnown for one	Unknown — not stated by the source	21 mm
HeightKnown for one	Unknown — not stated by the source	69 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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