AMD Radeon R5 M420 vs NVIDIA GeForce GTX 1660

AMD Radeon R5 M420
NVIDIA GeForce GTX 1660

General info

Comparison of Radeon R5 M420 and GeForce GTX 1660 architecture, market type and release date.
Place in performance rating
Value for money (0-100)
no data
GCN 1.0
Code name
Release date
15 May 2016
14 March 2019
Launch price (MSRP)
no data
Price now
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Technical specs

Radeon R5 M420 and GeForce GTX 1660's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon R5 M420 and GeForce GTX 1660's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Core clock speed
780 MHz
1530 MHz
Boost Clock
850 MHz
1785 MHz
Transistor count
690 million
6,600 million
Manufacturing process technology
28 nm
12 nm
Power consumption (TDP)
no data
120 Watt
Texture fill rate
Floating-point performance
547.2 gflops
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Compatibility, dimensions and requirements

Information on Radeon R5 M420 and GeForce GTX 1660 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
PCIe 3.0 x8
PCIe 3.0 x16
no data
229 mm
Supplementary power connectors
no data
1x 8-pin


Parameters of memory installed on Radeon R5 M420 and GeForce GTX 1660: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
Maximum RAM amount
4 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
2000 MHz
8004 MHz
Memory bandwidth
16 GB/s
192.1 GB/s
Shared memory

Video outputs and ports

Types and number of video connectors present on Radeon R5 M420 and GeForce GTX 1660.
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort

API support

APIs supported by Radeon R5 M420 and GeForce GTX 1660, sometimes including their particular versions.
12 (11_1)
12 (12_1)

Benchmark performance

Non-gaming benchmarks performance of Radeon R5 M420 and GeForce GTX 1660. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

R5 M420 0.18
GTX 1660 52.59 +29116.7%


R5 M420 470
GTX 1660 11354 +2315.7%

Gaming performance

Let's see how good Radeon R5 M420 and GeForce GTX 1660 are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of AMD Radeon R5 M420

DirectX 12
Mantle (an API developed by AMD for 3D graphics acceleration. Discontinued and later superceded by Vulkan)
OpenGL 4.3 (Open Graphics Library - an API for 3D graphics and GPUs usage)
OpenCL 1.2 (Open Computing Language - an API for GPU usage in arbitrary calculations, e.g. for physics simulation)

Advantages of NVIDIA GeForce GTX 1660

29116.7% faster (about 292 times) in synthetic tests
Much newer (14 March 2019 vs 15 May 2016)
Wider memory bus (192 vs 64 bit)
More pipelines (1408 vs 320)
Higher memory bandwidth (192.1 vs 16 GB/s)
Finer manufacturing process technology (12 vs 28 nm)

So, R5 M420 or GTX 1660?

Judging by the results of synthetic and gaming tests, Technical City recommends NVIDIA GeForce GTX 1660.
Be aware that Radeon R5 M420 is a notebook card while GeForce GTX 1660 is a desktop one.
Should you still have questions on choice between Radeon R5 M420 and GeForce GTX 1660, ask them in Comments section, and we shall answer.

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AMD Radeon R5 M420
NVIDIA GeForce GTX 1660

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Advices and comments

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