Radeon R4 Graphics vs R5 M420

Primary details

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

Place in the ranking1033not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 2.0 (2013−2017)
GPU code nameJetBeema
Market segmentLaptopDesktop
Release date15 May 2016 (8 years ago)11 June 2014 (10 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 cores320128
Core clock speed780 MHz800 MHz
Boost clock speed850 MHzno data
Number of transistors690 million930 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data15 Watt
Texture fill rate17.006.400
Floating-point processing power0.544 TFLOPS0.2048 TFLOPS
ROPs84
TMUs208

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 x8IGP
Widthno dataIGP

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 typeDDR3System Shared
Maximum RAM amount4 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth16 GB/sno 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 outputs

API compatibility

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

DirectX12 (11_1)12 (12_0)
Shader Model5.16.3
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 15 May 2016 11 June 2014

R5 M420 has an age advantage of 1 year.

We couldn't decide between Radeon R5 M420 and Radeon R4 Graphics. We've got no test results to judge.

Be aware that Radeon R5 M420 is a notebook card while Radeon R4 Graphics is a desktop 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 M420
Radeon R5 M420
AMD Radeon R4 Graphics
Radeon R4 Graphics

Comparisons with similar GPUs

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Community ratings

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2.9 106 votes

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2.7 1199 votes

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Questions & comments

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