ATI Graphics Xpression ISA vs Quadro4 550 XGL

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureCelsius (1999−2005)Mach (1992−1997)
GPU code nameNV17 A3Mach64
Market segmentWorkstationDesktop
Release date19 February 2002 (22 years ago)1995 (29 years ago)
Launch price (MSRP)no data$249

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 speed270 MHz40 MHz
Number of transistors29 million1 million
Manufacturing process technology150 nm600 nm
Texture fill rate1.080no data
ROPs41
TMUs4no data

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 4xPCI
Width1-slot1-slot
Supplementary power connectorsNoneno 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 typeDDRDRAM
Maximum RAM amount64 MB2 MB
Memory bus width128 Bit64 Bit
Memory clock speed200 MHz40 MHz
Memory bandwidth6.4 GB/s320.0 MB/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 ConnectorsNo outputs1x VGA

API compatibility

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

DirectX8.0N/A
OpenGL1.3N/A
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 64 MB 2 MB
Chip lithography 150 nm 600 nm

Quadro4 550 XGL has a 3100% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Quadro4 550 XGL and Graphics Xpression ISA. We've got no test results to judge.

Be aware that Quadro4 550 XGL is a workstation graphics card while Graphics Xpression ISA 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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NVIDIA Quadro4 550 XGL
Quadro4 550 XGL
ATI Graphics Xpression ISA
Graphics Xpression ISA

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Community ratings

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