Quadro P620 vs Radeon R5 340 OEM

VS

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 data16.46
ArchitectureGCN 1.0 (2011−2020)Pascal (2016−2021)
GPU code nameOlandGP107
Market segmentDesktopWorkstation
Release date5 May 2015 (9 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 cores384512
Core clock speed730 MHz1177 MHz
Boost clock speed780 MHz1443 MHz
Number of transistors950 million3,300 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)65 Watt40 Watt
Texture fill rate18.7246.18
Floating-point processing power0.599 TFLOPS1.478 TFLOPS
ROPs816
TMUs2432

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 x8PCIe 3.0 x16
Length145 mm145 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 typeGDDR5GDDR5
Maximum RAM amount1 GB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed1150 MHz1502 MHz
Memory bandwidth36.8 GB/s96.13 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 Connectors1x DVI, 1x DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.2.131
CUDA-6.1

Pros & cons summary


Recency 5 May 2015 1 February 2018
Maximum RAM amount 1 GB 2 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 40 Watt

Quadro P620 has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 62.5% lower power consumption.

We couldn't decide between Radeon R5 340 OEM and Quadro P620. We've got no test results to judge.

Be aware that Radeon R5 340 OEM 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R5 340 OEM
Radeon R5 340 OEM
NVIDIA Quadro P620
Quadro P620

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.


3 54 votes

Rate Radeon R5 340 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 613 votes

Rate Quadro P620 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

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