Quadro 400 vs Quadro K420

VS

Aggregate performance score

We've compared Quadro K420 and Quadro 400, covering specs and all relevant benchmarks.

Quadro K420
2014
1 GB/2 GB 128-bit, 41 Watt
1.92
+405%

K420 outperforms 400 by a whopping 405% based on our aggregate benchmark results.

Primary details

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

Place in the ranking9061264
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.080.01
Power efficiency3.210.81
ArchitectureKepler (2012−2018)Tesla 2.0 (2007−2013)
GPU code nameGK107GT216
Market segmentWorkstationWorkstation
Release date22 July 2014 (10 years ago)5 April 2011 (13 years ago)
Launch price (MSRP)$96.67 $169

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Quadro K420 has 700% better value for money than Quadro 400.

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 cores19248
Core clock speed876 MHz450 MHz
Number of transistors1,270 million486 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)41 Watt32 Watt
Texture fill rate14.027.200
Floating-point processing power0.3364 TFLOPS0.108 TFLOPS
ROPs168
TMUs1616

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 2.0 x16
Length160 mm163 mm
Width1" (2.5 cm)1-slot
Supplementary power connectorsNoneNone

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 BitDDR3
Maximum RAM amount1 GB/2 GB512 MB
Memory bus width128 Bit64 Bit
Memory clock speed891 MHz770 MHz
Memory bandwidthUp to 29 GB/s12.32 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 DisplayPort1x DVI, 1x DisplayPort
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.

DirectX1211.1 (10_1)
Shader Model5.14.1
OpenGL4.53.3
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.01.2

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Quadro K420 1.92
+405%
Quadro 400 0.38

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Quadro K420 740
+400%
Quadro 400 148

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 1.92 0.38
Recency 22 July 2014 5 April 2011
Maximum RAM amount 1 GB/2 GB 512 MB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 41 Watt 32 Watt

Quadro K420 has a 405.3% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

Quadro 400, on the other hand, has 28.1% lower power consumption.

The Quadro K420 is our recommended choice as it beats the Quadro 400 in performance tests.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA Quadro K420
Quadro K420
NVIDIA Quadro 400
Quadro 400

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 143 votes

Rate Quadro K420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 13 votes

Rate Quadro 400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.