Radeon R9 390X2 vs HD 8240

Primary details

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

Place in the ranking1185not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.97no data
ArchitectureGCN 2.0 (2013−2017)GCN (2012−2015)
GPU code nameKalindino data
Market segmentDesktopDesktop
Release date1 November 2013 (11 years ago)no data (2024 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 cores1282
Core clock speed400 MHzno data
Boost clock speedno data1000 MHz
Number of transistors1,178 millionno data
Manufacturing process technology28 nmno data
Power consumption (TDP)15 Wattno data
Texture fill rate3.200no data
Floating-point processing power0.1024 TFLOPSno data
ROPs4no data
TMUs8no data

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).

InterfaceIGPno data
WidthIGPno 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 typeSystem Shared512
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Shared5400 Bit
Memory clock speedSystem Sharedno data
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 outputsno data

API compatibility

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

DirectX12 (12_0)GDDR5
Shader Model6.3no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.2.131-

Pros & cons summary


We couldn't decide between Radeon HD 8240 and Radeon R9 390X2. 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 8240
Radeon HD 8240
AMD Radeon R9 390X2
Radeon R9 390X2

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.


2.3 40 votes

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2.6 36 votes

Rate Radeon R9 390X2 on a scale of 1 to 5:

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Questions & comments

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