Quadro RTX 6000 Passive vs Quadro K420

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking901not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.08no data
Power efficiency3.25no data
ArchitectureKepler (2012−2018)Turing (2018−2022)
GPU code nameGK107TU102
Market segmentWorkstationWorkstation
Release date22 July 2014 (10 years ago)13 August 2018 (6 years ago)
Launch price (MSRP)$96.67 $6,299

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1924608
Core clock speed876 MHz1305 MHz
Boost clock speedno data1560 MHz
Number of transistors1,270 million18,600 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)41 Watt260 Watt
Texture fill rate14.02449.3
Floating-point processing power0.3364 TFLOPS14.38 TFLOPS
ROPs1696
TMUs16288
Tensor Coresno data576
Ray Tracing Coresno data72

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 3.0 x16
Length160 mm267 mm
Width1" (2.5 cm)2-slot
Supplementary power connectorsNone1x 6-pin + 1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type128 BitGDDR6
Maximum RAM amount1 GB/2 GB24 GB
Memory bus width128 Bit384 Bit
Memory clock speed891 MHz1750 MHz
Memory bandwidthUp to 29 GB/s672.0 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x DisplayPort4x DisplayPort, 1x USB Type-C
Number of simultaneous displays4no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Vision Pro+no data
Mosaic+no data
nView Desktop Management+no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX1212 Ultimate (12_1)
Shader Model5.16.5
OpenGL4.54.6
OpenCL1.22.0
Vulkan1.1.1261.2.131
CUDA3.07.5

Pros & cons summary


Recency 22 July 2014 13 August 2018
Maximum RAM amount 1 GB/2 GB 24 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 41 Watt 260 Watt

Quadro K420 has 534.1% lower power consumption.

RTX 6000 Passive, on the other hand, has an age advantage of 4 years, a 2300% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Quadro K420 and Quadro RTX 6000 Passive. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA Quadro K420
Quadro K420
NVIDIA Quadro RTX 6000 Passive
Quadro RTX 6000 Passive

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Community ratings

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3.4 142 votes

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1.9 9 votes

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Questions & comments

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