Radeon 660M vs ATI FireGL Z1-128

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Primary details

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

Place in the rankingnot rated332
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.94
ArchitectureRage 8 (2002−2007)RDNA 2.0 (2020−2024)
GPU code nameR300Rembrandt+
Market segmentWorkstationLaptop
Release date1 October 2002 (22 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 data384
Core clock speed325 MHz1500 MHz
Boost clock speedno data1900 MHz
Number of transistors110 million13,100 million
Manufacturing process technology150 nm6 nm
Power consumption (TDP)no data40 Watt
Texture fill rate1.30045.60
Floating-point processing powerno data1.459 TFLOPS
ROPs416
TMUs424
Ray Tracing Coresno data6

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).

InterfaceAGP 8xPCIe 4.0 x8
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeDDRSystem Shared
Maximum RAM amount128 MBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed310 MHzSystem Shared
Memory bandwidth19.84 GB/sno data
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 Connectors2x DVI, 1x S-VideoPortable Device Dependent

API compatibility

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

DirectX9.0 (9_0)12 Ultimate (12_2)
Shader Modelno data6.7
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.3

Pros & cons summary


Recency 1 October 2002 3 January 2023
Chip lithography 150 nm 6 nm

Radeon 660M has an age advantage of 20 years, and a 2400% more advanced lithography process.

We couldn't decide between FireGL Z1-128 and Radeon 660M. We've got no test results to judge.

Be aware that FireGL Z1-128 is a workstation card while Radeon 660M 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 FireGL Z1-128
FireGL Z1-128
AMD Radeon 660M
Radeon 660M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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