ATI Radeon X850 XT vs ATI X1800 XL

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Primary details

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

Place in the rankingnot rated1387
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.21
ArchitectureR500 (2005−2007)R400 (2004−2008)
GPU code nameR520R480
Market segmentDesktopDesktop
Release date1 October 2005 (19 years ago)1 December 2004 (20 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.

Core clock speed500 MHz520 MHz
Number of transistors321 million160 million
Manufacturing process technology90 nm130 nm
Power consumption (TDP)70 Watt69 Watt
Texture fill rate8.0008.320
ROPs1616
TMUs1616

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
Length241 mmno data
Width1-slot2-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 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed500 MHz540 MHz
Memory bandwidth32 GB/s34.56 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)9.0b (9_2)
Shader Model3.0no data
OpenGL2.02.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 1 October 2005 1 December 2004
Chip lithography 90 nm 130 nm
Power consumption (TDP) 70 Watt 69 Watt

ATI X1800 XL has an age advantage of 10 months, and a 44.4% more advanced lithography process.

ATI X850 XT, on the other hand, has 1.4% lower power consumption.

We couldn't decide between Radeon X1800 XL and Radeon X850 XT. We've got no test results to judge.


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 X1800 XL
Radeon X1800 XL
ATI Radeon X850 XT
Radeon X850 XT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3 2 votes

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3.5 13 votes

Rate Radeon X850 XT on a scale of 1 to 5:

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Questions & comments

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