Radeon R5 340X OEM vs GeForce 405M

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGT2xx (2009−2012)GCN 1.0 (2012−2020)
GPU code nameGT218Oland
Market segmentLaptopDesktop
Release date11 May 2012 (12 years ago)5 May 2015 (9 years ago)
Current price$163 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores16384
CUDA cores16no data
Core clock speed606 MHz900 MHz
Boost clock speedno data1050 MHz
Number of transistors260 million950 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)14 Watt65 Watt
Texture fill rate4.84821.60
Floating-point performance38.78 gflops806.4 gflops
Gigaflops73no data

Form factor & compatibility

Information on GeForce 405M and Radeon R5 340X OEM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Bus supportPCI-E 2.0no data
InterfacePCIe 2.0 x16PCIe 3.0 x8
Lengthno data145 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR3, DDR3DDR3
Maximum RAM amountUp to 512 MB2 GB
Memory bus width64 Bit64 Bit
Memory clock speedUp to 800 (DDR3), Up to 800 (GDDR3) MHz2000 MHz
Memory bandwidth25.6 GB/s16 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 ConnectorsDisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI1x DVI, 1x DisplayPort
Multi monitor support+no data
HDMI+no data
Maximum VGA resolution2048x1536no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Power management8.0no data

API compatibility

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

DirectX12 API12 (11_1)
Shader Model4.15.1
OpenGL4.54.6
OpenCL1.11.2
VulkanN/A1.2.131
CUDA+no data

Pros & cons summary


Recency 11 May 2012 5 May 2015
Chip lithography 40 nm 28 nm
Power consumption (TDP) 14 Watt 65 Watt

We couldn't decide between GeForce 405M and Radeon R5 340X OEM. We've got no test results to judge.

Be aware that GeForce 405M is a notebook card while Radeon R5 340X OEM is a desktop 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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NVIDIA GeForce 405M
GeForce 405M
AMD Radeon R5 340X OEM
Radeon R5 340X OEM

Comparisons with similar GPUs

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Community ratings

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3.4 15 votes

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3.4 336 votes

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