GeForce4 MX 420 vs Radeon R9 M370X Mac Edition

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Celsius (1999−2005)
GPU code nameTropoNV17 A3
Market segmentLaptopDesktop
Release date5 May 2015 (9 years ago)6 February 2002 (22 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 cores640no data
Core clock speed775 MHz250 MHz
Boost clock speed800 MHzno data
Number of transistors1,500 million29 million
Manufacturing process technology28 nm150 nm
Texture fill rate32.001.000
Floating-point processing power1.024 TFLOPSno data
ROPs162
TMUs404

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 x16AGP 4x
Widthno data1-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 typeGDDR5SDR
Maximum RAM amount2 GB64 MB
Memory bus width128 Bit64 Bit
Memory clock speed1125 MHz166 MHz
Memory bandwidth72 GB/s1.328 GB/s

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 VGA, 1x S-Video

API compatibility

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

DirectX12 (11_1)8.0
Shader Model5.1no data
OpenGL4.61.3
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 5 May 2015 6 February 2002
Maximum RAM amount 2 GB 64 MB
Chip lithography 28 nm 150 nm

R9 M370X Mac Edition has an age advantage of 13 years, a 3100% higher maximum VRAM amount, and a 435.7% more advanced lithography process.

We couldn't decide between Radeon R9 M370X Mac Edition and GeForce4 MX 420. We've got no test results to judge.

Be aware that Radeon R9 M370X Mac Edition is a notebook card while GeForce4 MX 420 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 R9 M370X Mac Edition
Radeon R9 M370X Mac Edition
NVIDIA GeForce4 MX 420
GeForce4 MX 420

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Community ratings

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3 23 votes

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3.4 23 votes

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