Quadro FX 4500 SDI vs ATI Radeon X1900 XT

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
ArchitectureR500 (2005−2007)Curie (2003−2013)
GPU code nameR580G70
Market segmentDesktopWorkstation
Release date24 January 2006 (18 years ago)30 January 2006 (18 years ago)
Launch price (MSRP)$299 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 speed625 MHz430 MHz
Number of transistors384 million302 million
Manufacturing process technology90 nm110 nm
Power consumption (TDP)100 Watt116 Watt
Texture fill rate10.0010.32
ROPs1616
TMUs1624

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 x16PCIe 1.0 x16
Length242 mm267 mm
Width2-slot3-slot
Supplementary power connectors1x 6-pin1x 6-pin

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 typeGDDR3GDDR3
Maximum RAM amount256 MB512 MB
Memory bus width256 Bit256 Bit
Memory clock speed725 MHz525 MHz
Memory bandwidth46.4 GB/s33.6 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)9.0c (9_3)
Shader Model3.03.0
OpenGL2.1 (full) 3.0 (partial)2.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 256 MB 512 MB
Chip lithography 90 nm 110 nm
Power consumption (TDP) 100 Watt 116 Watt

ATI X1900 XT has a 22.2% more advanced lithography process, and 16% lower power consumption.

FX 4500 SDI, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between Radeon X1900 XT and Quadro FX 4500 SDI. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while Quadro FX 4500 SDI 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 X1900 XT
Radeon X1900 XT
NVIDIA Quadro FX 4500 SDI
Quadro FX 4500 SDI

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