Radeon R9 M370X Mac Edition vs R5 M420

Primary details

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

Place in the ranking1035not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 1.0 (2011−2020)
GPU code nameJetTropo
Market segmentLaptopLaptop
Release date15 May 2016 (8 years ago)5 May 2015 (9 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 cores320640
Core clock speed780 MHz775 MHz
Boost clock speed850 MHz800 MHz
Number of transistors690 million1,500 million
Manufacturing process technology28 nm28 nm
Texture fill rate17.0032.00
Floating-point processing power0.544 TFLOPS1.024 TFLOPS
ROPs816
TMUs2040

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

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 typeDDR3GDDR5
Maximum RAM amount4 GB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed1000 MHz1125 MHz
Memory bandwidth16 GB/s72 GB/s
Shared memory--

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 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 15 May 2016 5 May 2015
Maximum RAM amount 4 GB 2 GB

R5 M420 has an age advantage of 1 year, and a 100% higher maximum VRAM amount.

We couldn't decide between Radeon R5 M420 and Radeon R9 M370X Mac Edition. 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 R5 M420
Radeon R5 M420
AMD Radeon R9 M370X Mac Edition
Radeon R9 M370X Mac Edition

Comparisons with similar GPUs

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Community ratings

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2.9 106 votes

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3 23 votes

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Questions & comments

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