Radeon 550X Mobile vs R5 340X OEM

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 4.0 (2016−2020)
GPU code nameOlandPolaris 23
Market segmentDesktopLaptop
Release date5 May 2015 (9 years ago)11 April 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 cores384640
Core clock speed900 MHz1100 MHz
Boost clock speed1050 MHz1287 MHz
Number of transistors950 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)65 Watt50 Watt
Texture fill rate21.6051.48
Floating-point processing power0.6912 TFLOPS1.647 TFLOPS
ROPs816
TMUs2440

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 x8
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno 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 typeDDR3GDDR5
Maximum RAM amount2 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed1000 MHz1500 MHz
Memory bandwidth16 GB/s48 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 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_0)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 5 May 2015 11 April 2018
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 50 Watt

550X Mobile has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 30% lower power consumption.

We couldn't decide between Radeon R5 340X OEM and Radeon 550X Mobile. We've got no test results to judge.

Be aware that Radeon R5 340X OEM is a desktop card while Radeon 550X Mobile is a notebook 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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AMD Radeon R5 340X OEM
Radeon R5 340X OEM
AMD Radeon 550X Mobile
Radeon 550X Mobile

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