GeForce 6100 + nForce 420 vs SIS Mirage M661FX

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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
Architectureno dataCurie (2003−2013)
GPU code nameno dataC61
Market segmentLaptopDesktop
Release date1 July 2003 (21 year ago)11 October 2004 (20 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.

Core clock speedno data425 MHz
Boost clock speed133 MHzno data
Manufacturing process technologyno data90 nm
Texture fill rateno data0.43
ROPsno data1
TMUsno data1

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).

Interfaceno dataPCI
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 typeno dataSystem Shared
Maximum RAM amountno dataSystem Shared
Memory bus widthno dataSystem Shared
Memory clock speedno dataSystem Shared
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 dataNo outputs

API compatibility

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

DirectXno data9.0c (9_3)
Shader Modelno data3.0
OpenGLno data2.1
OpenCLno dataN/A
Vulkan-N/A

Pros & cons summary


Recency 1 July 2003 11 October 2004

6100 + nForce 420 has an age advantage of 1 year.

We couldn't decide between SIS Mirage M661FX and GeForce 6100 + nForce 420. We've got no test results to judge.

Be aware that SIS Mirage M661FX is a notebook card while GeForce 6100 + nForce 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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SIS Mirage M661FX
Mirage M661FX
NVIDIA GeForce 6100 + nForce 420
GeForce 6100 + nForce 420

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