Radeon HD 7420G vs R5 Graphics

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Primary details

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

Place in the rankingnot rated1144
Place by popularitynot in top-100not in top-100
Power efficiencyno data1.59
ArchitectureGCN 2.0 (2013−2017)TeraScale 3 (2010−2013)
GPU code nameSpectre SLScrapper Lite
Market segmentDesktopLaptop
Release date17 September 2014 (10 years ago)6 June 2012 (12 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 cores256128
Core clock speed497 MHz480 MHz
Boost clock speed720 MHz655 MHz
Number of transistors2,410 million1,303 million
Manufacturing process technology28 nm32 nm
Power consumption (TDP)15 Watt35 Watt
Texture fill rate7.9525.240
Floating-point processing power0.2545 TFLOPS0.1677 TFLOPS
ROPs44
TMUs168

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).

Laptop sizeno datamedium sized
InterfaceIGPIGP
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 SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memoryno 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 outputs

API compatibility

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

DirectX12 (12_0)11.2 (11_0)
Shader Model6.05.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 17 September 2014 6 June 2012
Chip lithography 28 nm 32 nm
Power consumption (TDP) 15 Watt 35 Watt

R5 Graphics has an age advantage of 2 years, a 14.3% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon R5 Graphics and Radeon HD 7420G. We've got no test results to judge.

Be aware that Radeon R5 Graphics is a desktop card while Radeon HD 7420G is a notebook 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 Graphics
Radeon R5 Graphics
AMD Radeon HD 7420G
Radeon HD 7420G

Comparisons with similar GPUs

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Community ratings

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2.7 1511 votes

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3 32 votes

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Questions & comments

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