Quadro P620 vs ATI FireGL X1-256

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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 data16.21
ArchitectureRage 8 (2002−2007)Pascal (2016−2021)
GPU code nameR300GP107
Market segmentWorkstationWorkstation
Release date1 July 2002 (22 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 speed325 MHz1177 MHz
Boost clock speedno data1443 MHz
Number of transistors110 million3,300 million
Manufacturing process technology150 nm14 nm
Power consumption (TDP)37 Watt40 Watt
Texture fill rate2.60046.18
Floating-point processing powerno data1.478 TFLOPS
ROPs816
TMUs832

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 amount256 MB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed310 MHz1502 MHz
Memory bandwidth19.84 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 Connectors2x DVI, 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 1 July 2002 1 February 2018
Maximum RAM amount 256 MB 2 GB
Chip lithography 150 nm 14 nm
Power consumption (TDP) 37 Watt 40 Watt

ATI FireGL X1-256 has 8.1% lower power consumption.

Quadro P620, on the other hand, has an age advantage of 15 years, a 700% higher maximum VRAM amount, and a 971.4% more advanced lithography process.

We couldn't decide between FireGL X1-256 and Quadro P620. 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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ATI FireGL X1-256
FireGL X1-256
NVIDIA Quadro P620
Quadro P620

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Community ratings

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Questions & comments

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