Quadro P620 vs ATI Radeon 9550 XT

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Primary details

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

Place in the rankingnot rated468
Place by popularitynot in top-100not in top-100
Power efficiencyno data16.45
ArchitectureRage 8 (2002−2007)Pascal (2016−2021)
GPU code nameRV350GP107
Market segmentDesktopWorkstation
Release date4 May 2005 (19 years ago)1 February 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 coresno data512
Core clock speed425 MHz1177 MHz
Boost clock speedno data1443 MHz
Number of transistors60 million3,300 million
Manufacturing process technology130 nm14 nm
Power consumption (TDP)no data40 Watt
Texture fill rate1.70046.18
Floating-point processing powerno data1.478 TFLOPS
ROPs416
TMUs432

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).

InterfaceAGP 8xPCIe 3.0 x16
Lengthno data145 mm
Width1-slotIGP
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 typeDDRGDDR5
Maximum RAM amount128 MB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed325 MHz1502 MHz
Memory bandwidth10.4 GB/s96.13 GB/s
Shared memoryno data-

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 VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0 (9_0)12 (12_1)
Shader Modelno data6.4
OpenGL2.04.6
OpenCLN/A1.2
VulkanN/A1.2.131
CUDA-6.1

Pros & cons summary


Recency 4 May 2005 1 February 2018
Maximum RAM amount 128 MB 2 GB
Chip lithography 130 nm 14 nm

Quadro P620 has an age advantage of 12 years, a 1500% higher maximum VRAM amount, and a 828.6% more advanced lithography process.

We couldn't decide between Radeon 9550 XT and Quadro P620. We've got no test results to judge.

Be aware that Radeon 9550 XT is a desktop card while Quadro P620 is a 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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ATI Radeon 9550 XT
Radeon 9550 XT
NVIDIA Quadro P620
Quadro P620

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Community ratings

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3.6 612 votes

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Questions & comments

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