GeForce 6800 Ultra DDL vs ATI Radeon X850 XT Platinum

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Primary details

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

Place in the ranking1379not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.22no data
ArchitectureR400 (2004−2008)Curie (2003−2013)
GPU code nameR480NV40
Market segmentDesktopDesktop
Release date21 December 2004 (19 years ago)14 April 2004 (20 years ago)
Launch price (MSRP)no data$599

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 speed540 MHz400 MHz
Number of transistors160 million222 million
Manufacturing process technology130 nm130 nm
Power consumption (TDP)67 Watt100 Watt
Texture fill rate8.6406.400
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 x16AGP Pro 8x
Lengthno data305 mm
Width2-slot2-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 typeGDDR3GDDR3
Maximum RAM amount256 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed590 MHz550 MHz
Memory bandwidth37.76 GB/s35.2 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 Connectors1x DVI, 1x VGA, 1x S-Video2x DVI

API compatibility

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

DirectX9.0b (9_2)9.0c (9_3)
Shader Modelno data3.0
OpenGL2.02.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 21 December 2004 14 April 2004
Power consumption (TDP) 67 Watt 100 Watt

ATI X850 XT Platinum has an age advantage of 8 months, and 49.3% lower power consumption.

We couldn't decide between Radeon X850 XT Platinum and GeForce 6800 Ultra DDL. 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 X850 XT Platinum
Radeon X850 XT Platinum
NVIDIA GeForce 6800 Ultra DDL
GeForce 6800 Ultra DDL

Comparisons with similar GPUs

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Community ratings

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