Radeon 550X Mobile vs Quadro M620

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Primary details

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

Place in the ranking540not rated
Place by popularitynot in top-100not in top-100
Power efficiency16.57no data
ArchitectureMaxwell (2014−2017)GCN 4.0 (2016−2020)
GPU code nameGM107Polaris 23
Market segmentMobile workstationLaptop
Release date11 January 2017 (7 years ago)11 April 2018 (6 years ago)

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 cores512640
Core clock speed756 MHz1100 MHz
Boost clock speed977 MHz1287 MHz
Number of transistors1,870 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)30 Watt50 Watt
Texture fill rate31.2651.48
Floating-point processing power1 TFLOPS1.647 TFLOPS
ROPs1616
TMUs3240

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).

Laptop sizelargeno data
InterfaceMXM-A (3.0)PCIe 3.0 x8
Supplementary power connectorsNoneno data

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 typeGDDR5GDDR5
Maximum RAM amount2 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1253 MHz1500 MHz
Memory bandwidth80 GB/s48 GB/s
Shared memory--

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 ConnectorsNo outputsNo outputs
Display Port1.2no data

Supported technologies

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

Optimus+-
3D Stereo+no data
Mosaic+no data
nView Display Management+no data
Optimus+no data

API compatibility

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

DirectX1212 (12_0)
Shader Model5.16.4
OpenGL4.54.6
OpenCL1.22.0
Vulkan1.1.1261.2.131
CUDA5.0-

Pros & cons summary


Recency 11 January 2017 11 April 2018
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 30 Watt 50 Watt

Quadro M620 has 66.7% lower power consumption.

550X Mobile, on the other hand, has an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Quadro M620 and Radeon 550X Mobile. We've got no test results to judge.

Be aware that Quadro M620 is a mobile workstation card while Radeon 550X Mobile is a mobile workstation one.


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 M620
Quadro M620
AMD Radeon 550X Mobile
Radeon 550X Mobile

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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