ATI FireGL Z1-128 vs ATI Radeon X1950 GT

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Primary details

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

Place in the ranking1343not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.33no data
ArchitectureR500 (2005−2007)Rage 8 (2002−2007)
GPU code nameRV570R300
Market segmentDesktopWorkstation
Release date29 January 2007 (17 years ago)1 October 2002 (22 years ago)
Launch price (MSRP)$140 no data

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.

Core clock speed500 MHz325 MHz
Number of transistors330 million110 million
Manufacturing process technology80 nm150 nm
Power consumption (TDP)57 Wattno data
Texture fill rate6.0001.300
ROPs124
TMUs124

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).

InterfacePCIe 1.0 x16AGP 8x
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR3DDR
Maximum RAM amount256 MB128 MB
Memory bus width256 Bit256 Bit
Memory clock speed600 MHz310 MHz
Memory bandwidth38.4 GB/s19.84 GB/s

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-Video2x DVI, 1x S-Video

API compatibility

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

DirectX9.0c (9_3)9.0 (9_0)
Shader Model3.0no data
OpenGL2.02.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 29 January 2007 1 October 2002
Maximum RAM amount 256 MB 128 MB
Chip lithography 80 nm 150 nm

ATI X1950 GT has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 87.5% more advanced lithography process.

We couldn't decide between Radeon X1950 GT and FireGL Z1-128. We've got no test results to judge.

Be aware that Radeon X1950 GT is a desktop 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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ATI Radeon X1950 GT
Radeon X1950 GT
ATI FireGL Z1-128
FireGL Z1-128

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Community ratings

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