GRID K520Q vs FirePro D300

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Primary details

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

Place in the ranking444not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.66no data
ArchitectureGCN 1.0 (2011−2020)Kepler (2012−2018)
GPU code namePitcairnGK104
Market segmentWorkstationWorkstation
Release date18 January 2014 (10 years ago)2 July 2014 (10 years ago)
Launch price (MSRP)no data$3,599

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 cores12801536
Core clock speed850 MHz745 MHz
Number of transistors2,800 million3,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)150 Watt225 Watt
Texture fill rate68.0095.36
Floating-point processing power2.176 TFLOPS2.289 TFLOPS
ROPs3232
TMUs80128

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 3.0 x16
Length242 mm267 mm
Width1-slot2-slot

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 width256 Bit256 Bit
Memory clock speed1270 MHz1250 MHz
Memory bandwidth162.6 GB/s160.0 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 Connectors4x DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA-3.0

Pros & cons summary


Recency 18 January 2014 2 July 2014
Maximum RAM amount 2 GB 4 GB
Power consumption (TDP) 150 Watt 225 Watt

FirePro D300 has 50% lower power consumption.

GRID K520Q, on the other hand, has an age advantage of 5 months, and a 100% higher maximum VRAM amount.

We couldn't decide between FirePro D300 and GRID K520Q. 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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AMD FirePro D300
FirePro D300
NVIDIA GRID K520Q
GRID K520Q

Comparisons with similar GPUs

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Community ratings

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