Quadro K620 vs Quadro RTX 4000

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Aggregate performance score

We've compared Quadro RTX 4000 and Quadro K620, covering specs and all relevant benchmarks.

RTX 4000
2018
8 GB GDDR6, 160 Watt
39.71
+586%

RTX 4000 outperforms K620 by a whopping 586% based on our aggregate benchmark results.

Primary details

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

Place in the ranking109597
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation36.222.61
Power efficiency17.018.82
ArchitectureTuring (2018−2022)Maxwell (2014−2017)
GPU code nameTU104GM107
Market segmentWorkstationWorkstation
Release date13 November 2018 (6 years ago)22 July 2014 (10 years ago)
Launch price (MSRP)$899 $189.89

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RTX 4000 has 1288% better value for money than Quadro K620.

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 cores2304384
Core clock speed1005 MHz1058 MHz
Boost clock speed1545 MHz1124 MHz
Number of transistors13,600 million1,870 million
Manufacturing process technology12 nm28 nm
Power consumption (TDP)160 Watt41 Watt
Texture fill rate222.526.98
Floating-point processing power7.119 TFLOPS0.8632 TFLOPS
ROPs6416
TMUs14424
Tensor Cores288no data
Ray Tracing Cores36no data

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 3.0 x16PCIe 2.0 x16
Length241 mm160 mm
Width1-slot1" (2.5 cm)
Supplementary power connectors1x 8-pinNone

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 typeGDDR6128 Bit
Maximum RAM amount8 GB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed1625 MHz900 MHz
Memory bandwidth416.0 GB/sUp to 29 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 Connectors3x DisplayPort, 1x USB Type-C1x DVI, 1x DisplayPort
Number of simultaneous displaysno data4

Supported technologies

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

3D Vision Prono data+
Mosaicno data+
nView Desktop Managementno data+

API compatibility

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

DirectX12 Ultimate (12_1)12
Shader Model6.55.1
OpenGL4.64.5
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA7.55.0

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.

RTX 4000 39.71
+586%
Quadro K620 5.79

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.

RTX 4000 15299
+585%
Quadro K620 2232

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RTX 4000 85815
+1184%
Quadro K620 6686

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

RTX 4000 78655
+1226%
Quadro K620 5930

GeekBench 5 CUDA

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses CUDA API by NVIDIA.

RTX 4000 94250
+1317%
Quadro K620 6653

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 39.71 5.79
Recency 13 November 2018 22 July 2014
Maximum RAM amount 8 GB 2 GB
Chip lithography 12 nm 28 nm
Power consumption (TDP) 160 Watt 41 Watt

RTX 4000 has a 585.8% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

Quadro K620, on the other hand, has 290.2% lower power consumption.

The Quadro RTX 4000 is our recommended choice as it beats the Quadro K620 in performance tests.


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 RTX 4000
Quadro RTX 4000
NVIDIA Quadro K620
Quadro K620

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.


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Questions & comments

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