GeForce 620M vs Radeon R6 M340DX

VS

Primary details

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

Place in the ranking788not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Fermi 2.0 (2010−2014)
GPU code nameJetGF117
Market segmentDesktopLaptop
Release date12 December 2015 (8 years ago)22 March 2012 (12 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 cores38496
Core clock speed955 MHz625 MHz
Boost clock speed1030 MHzno data
Number of transistors690 million585 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data15 Watt
Texture fill rate24.7210.00
Floating-point processing power0.791 TFLOPS0.24 TFLOPS
ROPs88
TMUs2416

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).

InterfaceIGPPCIe 2.0 x16
WidthIGPno 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 typeSystem SharedDDR3
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared900 MHz
Memory bandwidthno data14.4 GB/s
Shared memory-no 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 ConnectorsNo outputsNo 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
OpenCL1.21.1
Vulkan1.2.131N/A
CUDA-2.1

Pros & cons summary


Recency 12 December 2015 22 March 2012

R6 M340DX has an age advantage of 3 years.

We couldn't decide between Radeon R6 M340DX and GeForce 620M. We've got no test results to judge.

Be aware that Radeon R6 M340DX is a desktop card while GeForce 620M is a notebook 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 R6 M340DX
Radeon R6 M340DX
NVIDIA GeForce 620M
GeForce 620M

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.


3.7 37 votes

Rate Radeon R6 M340DX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 10 votes

Rate GeForce 620M 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.