ATI FireGL Z1-128 vs Radeon Pro 555X

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Primary details

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

Place in the ranking504not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.70no data
ArchitectureGCN 4.0 (2016−2020)Rage 8 (2002−2007)
GPU code namePolaris 21R300
Market segmentMobile workstationWorkstation
Release date16 July 2018 (6 years ago)1 October 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 cores768no data
Core clock speed907 MHz325 MHz
Number of transistors3,000 million110 million
Manufacturing process technology14 nm150 nm
Power consumption (TDP)75 Wattno data
Texture fill rate43.541.300
Floating-point processing power1.393 TFLOPSno data
ROPs164
TMUs484

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 sizelargeno data
InterfacePCIe 3.0 x8AGP 8x
Widthno data1-slot
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 typeGDDR5DDR
Maximum RAM amount4 GB128 MB
Memory bus width128 Bit256 Bit
Memory clock speed1275 MHz310 MHz
Memory bandwidth81.6 GB/s19.84 GB/s
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 outputs2x DVI, 1x S-Video

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

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

DirectX12 (12_0)9.0 (9_0)
Shader Model6.4no data
OpenGL4.62.0
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 16 July 2018 1 October 2002
Maximum RAM amount 4 GB 128 MB
Chip lithography 14 nm 150 nm

Pro 555X has an age advantage of 15 years, a 3100% higher maximum VRAM amount, and a 971.4% more advanced lithography process.

We couldn't decide between Radeon Pro 555X and FireGL Z1-128. We've got no test results to judge.

Be aware that Radeon Pro 555X is a mobile workstation card while FireGL Z1-128 is a workstation 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 Pro 555X
Radeon Pro 555X
ATI FireGL Z1-128
FireGL Z1-128

Comparisons with similar GPUs

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Community ratings

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