Radeon R5 340X OEM vs HD 7660D

Primary details

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

Place in the ranking1029not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.06no data
Power efficiency0.91no data
ArchitectureTeraScale 3 (2010−2013)GCN 1.0 (2011−2020)
GPU code nameDevastatorOland
Market segmentDesktopDesktop
Release date2 October 2012 (12 years ago)5 May 2015 (9 years ago)
Launch price (MSRP)$122 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores384384
Core clock speed800 MHz900 MHz
Boost clock speed800 MHz1050 MHz
Number of transistors1,303 million950 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)100 Watt65 Watt
Texture fill rate19.2021.60
Floating-point processing power0.6144 TFLOPS0.6912 TFLOPS
ROPs88
TMUs2424

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 SharedDDR3
Maximum RAM amountSystem Shared2 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1000 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 outputs1x DVI, 1x DisplayPort

API compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2.131

Pros & cons summary


Recency 2 October 2012 5 May 2015
Chip lithography 32 nm 28 nm
Power consumption (TDP) 100 Watt 65 Watt

R5 340X OEM has an age advantage of 2 years, a 14.3% more advanced lithography process, and 53.8% lower power consumption.

We couldn't decide between Radeon HD 7660D and Radeon R5 340X 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 7660D
Radeon HD 7660D
AMD Radeon R5 340X OEM
Radeon R5 340X OEM

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Community ratings

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3.4 128 votes

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Questions & comments

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