Radeon Instinct MI6 vs R5 340 OEM

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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 nameOlandEllesmere
Market segmentDesktopWorkstation
Release date5 May 2015 (9 years ago)12 December 2016 (7 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 cores3842304
Core clock speed730 MHz1120 MHz
Boost clock speed780 MHz1233 MHz
Number of transistors950 million5,700 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)65 Watt150 Watt
Texture fill rate18.72177.6
Floating-point processing power0.599 TFLOPS5.682 TFLOPS
ROPs832
TMUs24144

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 x16
Length145 mm241 mm
Width1-slot1-slot
Supplementary power connectorsNone1x 6-pin

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 typeGDDR5GDDR5
Maximum RAM amount1 GB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed1150 MHz1750 MHz
Memory bandwidth36.8 GB/s224.0 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 12 December 2016
Maximum RAM amount 1 GB 8 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 150 Watt

R5 340 OEM has 130.8% lower power consumption.

Instinct MI6, on the other hand, has an age advantage of 1 year, a 700% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon R5 340 OEM and Radeon Instinct MI6. We've got no test results to judge.

Be aware that Radeon R5 340 OEM is a desktop card while Radeon Instinct MI6 is a workstation 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 340 OEM
Radeon R5 340 OEM
AMD Radeon Instinct MI6
Radeon Instinct MI6

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