Radeon R5 340 OEM vs HD 8400

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Primary details

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

Place in the ranking1176not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.89no data
ArchitectureGCN 2.0 (2013−2017)GCN 1.0 (2011−2020)
GPU code nameKalindiOland
Market segmentDesktopDesktop
Release date23 November 2013 (11 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 cores128384
Core clock speed400 MHz730 MHz
Boost clock speedno data780 MHz
Number of transistors1,178 million950 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)25 Watt65 Watt
Texture fill rate3.20018.72
Floating-point processing power0.1024 TFLOPS0.599 TFLOPS
ROPs48
TMUs824

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 3.0 x8
Lengthno data145 mm
WidthIGP1-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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1150 MHz
Memory bandwidthno data36.8 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 ConnectorsNo outputs1x DVI, 1x DisplayPort

API compatibility

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

DirectX12 (12_0)12 (11_1)
Shader Model6.35.1
OpenGL4.64.6
OpenCL2.01.2
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 23 November 2013 5 May 2015
Power consumption (TDP) 25 Watt 65 Watt

HD 8400 has 160% lower power consumption.

R5 340 OEM, on the other hand, has an age advantage of 1 year.

We couldn't decide between Radeon HD 8400 and Radeon R5 340 OEM. We've got no test results to judge.


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 HD 8400
Radeon HD 8400
AMD Radeon R5 340 OEM
Radeon R5 340 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

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2.8 128 votes

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3 54 votes

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Questions & comments

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