GeForce RTX 4090 Mobile vs ATI Mach 64 GX

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Primary details

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

Place in the rankingnot rated18
Place by popularitynot in top-100not in top-100
Power efficiencyno data41.62
Architectureno dataAda Lovelace (2022−2024)
GPU code nameMach64 GXAD103
Market segmentDesktopLaptop
Release date1 January 1995 (29 years ago)3 January 2023 (1 year 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 coresno data9728
Core clock speed10 MHz1335 MHz
Boost clock speedno data1695 MHz
Number of transistors1 million45,900 million
Manufacturing process technology600 nm4 nm
Power consumption (TDP)no data120 Watt
Texture fill rateno data515.3
Floating-point processing powerno data32.98 TFLOPS
ROPs1112
TMUsno data304
Tensor Coresno data304
Ray Tracing Coresno data76

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).

Laptop sizeno datalarge
InterfacePCIPCIe 4.0 x16
Width1-slotno data

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 typeVRAMGDDR6
Maximum RAM amount2 MB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed10 MHz2250 MHz
Memory bandwidth80.0 MB/s576.0 GB/s
Shared memoryno 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 Connectors1x DB13W3Portable Device Dependent

API compatibility

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

DirectXNone12 Ultimate (12_2)
Shader Modelno data6.7
OpenGLNone4.6
OpenCLNone3.0
Vulkan-1.3
CUDA-8.9

Pros & cons summary


Recency 1 January 1995 3 January 2023
Maximum RAM amount 2 MB 16 GB
Chip lithography 600 nm 4 nm

RTX 4090 Mobile has an age advantage of 28 years, a 819100% higher maximum VRAM amount, and a 14900% more advanced lithography process.

We couldn't decide between Mach 64 GX and GeForce RTX 4090 Mobile. We've got no test results to judge.

Be aware that Mach 64 GX is a desktop card while GeForce RTX 4090 Mobile is a notebook 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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ATI Mach 64 GX
Mach 64 GX
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile

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Community ratings

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3 11 votes

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3.6 617 votes

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Questions & comments

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