Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon X800 GT GeForce 6800 Ultra
Red Dead Redemption 2 2485% 2157%
Halo: Reach 721% 617%
Cyberpunk 2077 3451% 3001%
Call of Duty: Modern Warfare 2485% 2157%
Doom Eternal 2122% 1841%
Microsoft Flight Simulator 3451% 3001%
Grand Theft Auto VI 3849% 3349%
Dragon Ball Z Kakarot 1494% 1292%
Star Wars: Jedi - Fallen Order 3451% 3001%
Need For Speed Heat 2485% 2157%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 6800 Ultra are very slightly better than the AMD Radeon X800 GT.

The Radeon X800 GT was released less than a year after the GeForce 6800 Ultra, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The Radeon X800 GT and the GeForce 6800 Ultra have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The Radeon X800 GT has 27.5 GB/sec greater memory bandwidth than the GeForce 6800 Ultra, which means that the memory performance of the Radeon X800 GT is slightly better than the GeForce 6800 Ultra.

The Radeon X800 GT has 8 Shader Processing Units and the GeForce 6800 Ultra has 22. However, the actual shader performance of the Radeon X800 GT is 2 and the actual shader performance of the GeForce 6800 Ultra is 9. The GeForce 6800 Ultra having 7 better shader performance is not particularly notable, as altogether the Radeon X800 GT performs better when taking into account other relevant data.

The GeForce 6800 Ultra requires 124 Watts to run but there is no entry for the Radeon X800 GT.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed475 MHzvs400 MHz
Boost Clock-vs-
ArchitectureR480NV40/NV45
OC Potential - vs -
Driver Support - vs -
Release Date01 Sep 2005vs01 Mar 2005
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory256 MBvs256 MB
Memory Speed980 MHzvs550 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR3vsGDDR3
Memory Bandwidth62.7GB/secvs35.2GB/sec
L2 Cache - vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units8vs22
Actual Shader Performance0%vs0%
Technology-vs-
Texture Mapping Units-vs-
Texture Rate-vs-
Render Output Units-vs-
Pixel Rate-vs-
Comparison

GPU Outputs

Max Digital Resolution (WxH)2048x1536vs2560x1600
VGA Connections1vs0
DVI Connections1vs2
HDMI Connections0vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power-124 Watts
Recommended PSU--

GPU Features

DirectX9.0bvs9.0c
Shader Model2.0vs3.0
Open GL2.0vs1.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended Processor--
Recommended RAM--
Maximum Recommended Gaming Resolution--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewThe Radeon X800 'R430'-based 110 nanometer series was introduced at the end of 2004 along with ATI's new X850 cards. The X800 was designed to replace the position X700 XT failed to secure, with 12 pipelines and a 256-bit RAM bus. The card more than surpassed the 6600GT with performance similar to that of the GeForce 6800. A close relative, the new X800 XL, was positioned to dethrone NVIDIA's GeForce 6800 GT with higher memory speeds and a full 16 pipelines to boost performance. R430 was unable to reach high clock speeds, being mainly designed to reduce the cost per GPU, and so a new top-of-the-line core was still needed. The new high-end R4x0-generation arrived with the X850 series, equipped with various core tweaks for slightly higher performance than the 'R420'-based X800 series. The 'R480'-based X850 line was available in 3 forms: the X850 Pro, the X850 XT, and the X850 XT Platinum Edition, and was built on the reliable high-performance 130 nm Low-K process.The groundbreaking new NVIDIA GeForce 6800 graphics processing units (GPUs) and their revolutionary technologies power worlds where reality and fantasy meet; worlds in which new standards are set for visual realism and quality, performance, and video functionality. The GeForce 6800 GPUs deliver powerful, elegant graphics to drench your senses, immersing you in unparalleled worlds of visual effects for the ultimate PC experience.
Recommended CPU
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Possible GPU Upgrades
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GPU Variants
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