GeForce4 MX 420 vs Radeon Instinct MI8

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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 3.0 (2014−2019)Celsius (1999−2005)
GPU code nameFijiNV17 A3
Market segmentWorkstationDesktop
Release date12 December 2016 (7 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 cores4096no data
Core clock speed1000 MHz250 MHz
Number of transistors8,900 million29 million
Manufacturing process technology28 nm150 nm
Power consumption (TDP)175 Wattno data
Texture fill rate256.01.000
Floating-point processing power8.192 TFLOPSno data
ROPs642
TMUs2564

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
Length152 mmno data
Width2-slot1-slot
Supplementary power connectors1x 8-pinNone

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 typeHBMSDR
Maximum RAM amount4 GB64 MB
Memory bus width4096 Bit64 Bit
Memory clock speed500 MHz166 MHz
Memory bandwidth512.0 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 (12_0)8.0
Shader Model6.3no data
OpenGL4.61.3
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 12 December 2016 6 February 2002
Maximum RAM amount 4 GB 64 MB
Chip lithography 28 nm 150 nm

Instinct MI8 has an age advantage of 14 years, a 6300% higher maximum VRAM amount, and a 435.7% more advanced lithography process.

We couldn't decide between Radeon Instinct MI8 and GeForce4 MX 420. We've got no test results to judge.

Be aware that Radeon Instinct MI8 is a workstation graphics 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 Instinct MI8
Radeon Instinct MI8
NVIDIA GeForce4 MX 420
GeForce4 MX 420

Comparisons with similar GPUs

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Community ratings

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4.5 2 votes

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3.4 23 votes

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Questions & comments

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