Product comparison · 2 gpus

Dell 490-BCHR graphics card NVIDIA GRID K1 vs Dell Tesla K20X

Key differences

Graphics processor
- 490-BCHR graphics card NVIDIA GRID K1:GRID K1
- Tesla K20X:Tesla K20X
CUDA cores
- 490-BCHR graphics card NVIDIA GRID K1:768
- Tesla K20X:2688
Processor frequency
- 490-BCHR graphics card NVIDIA GRID K1:850 MHz
- Tesla K20X:732 MHz
Discrete graphics card memory
- 490-BCHR graphics card NVIDIA GRID K1:16 GB
- Tesla K20X:6 GB
Graphics card memory type
- 490-BCHR graphics card NVIDIA GRID K1:GDDR3
- Tesla K20X:GDDR5
Memory bus
- 490-BCHR graphics card NVIDIA GRID K1:128 bit
- Tesla K20X:384 bit
Memory clock speed
- 490-BCHR graphics card NVIDIA GRID K1:891 MHz
- Tesla K20X:2600 MHz
Interface type
- 490-BCHR graphics card NVIDIA GRID K1:PCI Express 3.0
- Tesla K20X:PCI Express x16

Differences highlightedShow differences only

Comparison of 490-BCHR, Tesla K20X
26 specifications	A Dell 490-BCHR graphics card NVIDIA GRID K1 Model 490-BCHR View product	B Dell Tesla K20X View product
Processor3 differ
Graphics processorDiffers	GRID K1	Tesla K20X
CUDA coresDiffers	768	2688
Processor frequencyDiffers	850 MHz	732 MHz
FireStreamKnown for one	Unknown — not stated by the source	No
Memory4 differ
Discrete graphics card memoryDiffers	16 GB	6 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	128 bit	384 bit
Memory clock speedDiffers	891 MHz	2600 MHz
Memory bandwidth (max)Known for one	Unknown — not stated by the source	250 GB/s
Ports & interfaces1 differ
Interface typeDiffers	PCI Express 3.0	PCI Express x16
Performanceidentical
DirectX versionKnown for one	11	Unknown — not stated by the source
Shader model versionKnown for one	5.0	Unknown — not stated by the source
OpenGL versionKnown for one	4.3	Unknown — not stated by the source
Designidentical
Number of slotsKnown for one	2	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Power1 differ
Power consumption (typical)Differs	130 W	235 W
Supplementary power connectorsKnown for one	Unknown — not stated by the source	1x 6-pin, 1x 8-pin
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
LengthDiffers	266 mm	266.7 mm
HeightDiffers	111 mm	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.