Radeon RX 7900 XTX 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 rated8
Place by popularitynot in top-10061
Cost-effectiveness evaluationno data34.58
Power efficiencyno data15.70
Architectureno dataRDNA 3.0 (2022−2024)
GPU code nameno dataNavi 31
Market segmentLaptopDesktop
Release date1 July 2003 (21 year ago)3 November 2022 (2 years ago)
Launch price (MSRP)no data$999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 coresno data6144
Core clock speedno data1929 MHz
Boost clock speed133 MHz2498 MHz
Number of transistorsno data57,700 million
Manufacturing process technologyno data5 nm
Power consumption (TDP)no data355 Watt
Texture fill rateno data959.2
Floating-point processing powerno data61.39 TFLOPS
ROPsno data192
TMUsno data384
Ray Tracing Coresno data96

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 dataPCIe 4.0 x16
Lengthno data287 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-pin

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 dataGDDR6
Maximum RAM amountno data24 GB
Memory bus widthno data384 Bit
Memory clock speedno data2500 MHz
Memory bandwidthno data960.0 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 data1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

API compatibility

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

DirectXno data12 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data2.2
Vulkan-1.3

Pros & cons summary


Recency 1 July 2003 3 November 2022

RX 7900 XTX has an age advantage of 19 years.

We couldn't decide between SIS Mirage M661FX and Radeon RX 7900 XTX. We've got no test results to judge.

Be aware that SIS Mirage M661FX is a notebook card while Radeon RX 7900 XTX 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
AMD Radeon RX 7900 XTX
Radeon RX 7900 XTX

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Community ratings

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