Radeon R5 340X OEM vs RX Vega 8 (Ryzen 4000/5000)

Primary details

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

Place in the ranking480not rated
Place by popularity29not in top-100
Power efficiency41.96no data
ArchitectureVega (2017−2020)GCN 1.0 (2011−2020)
GPU code nameVegaOland
Market segmentLaptopDesktop
Release date7 January 2020 (4 years ago)5 May 2015 (9 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 cores512384
Core clock speedno data900 MHz
Boost clock speed2100 MHz1050 MHz
Number of transistorsno data950 million
Manufacturing process technology7 nm28 nm
Power consumption (TDP)15 Watt65 Watt
Texture fill rateno data21.60
Floating-point processing powerno data0.6912 TFLOPS
ROPsno data8
TMUsno data24

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).

Interfaceno dataPCIe 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 typeno dataDDR3
Maximum RAM amountno data2 GB
Memory bus widthno data64 Bit
Memory clock speedno data1000 MHz
Memory bandwidthno data16 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 data1x DVI, 1x DisplayPort

API compatibility

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

DirectX12_112 (11_1)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.2.131

Pros & cons summary


Recency 7 January 2020 5 May 2015
Chip lithography 7 nm 28 nm
Power consumption (TDP) 15 Watt 65 Watt

RX Vega 8 (Ryzen 4000/5000) has an age advantage of 4 years, a 300% more advanced lithography process, and 333.3% lower power consumption.

We couldn't decide between Radeon RX Vega 8 (Ryzen 4000/5000) and Radeon R5 340X OEM. We've got no test results to judge.

Be aware that Radeon RX Vega 8 (Ryzen 4000/5000) 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.

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 RX Vega 8 (Ryzen 4000/5000)
Radeon RX Vega 8 (Ryzen 4000/5000)
AMD Radeon R5 340X OEM
Radeon R5 340X OEM

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.


3.8 1118 votes

Rate Radeon RX Vega 8 (Ryzen 4000/5000) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 454 votes

Rate Radeon R5 340X OEM 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.