Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce 7900 GT GeForce 6800 Ultra
Red Dead Redemption 2 1672% 2157%
Cyberpunk 2077 2334% 3001%
Doom Eternal 1423% 1841%
Dragon Ball Z Kakarot 993% 1292%
Call of Duty: Modern Warfare 1672% 2157%
Microsoft Flight Simulator 2334% 3001%
FIFA 20 844% 1103%
Grand Theft Auto VI 2607% 3349%
Star Wars: Jedi - Fallen Order 2334% 3001%
Need For Speed Heat 1672% 2157%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 7900 GT are noticeably better than the Nvidia GeForce 6800 Ultra.

The GeForce 7900 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 GeForce 7900 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 GeForce 7900 GT has 7 GB/sec greater memory bandwidth than the GeForce 6800 Ultra, which means that the memory performance of the GeForce 7900 GT is marginally better than the GeForce 6800 Ultra.

The GeForce 7900 GT has 24 Shader Processing Units and the GeForce 6800 Ultra has 22. However, the actual shader performance of the GeForce 7900 GT is 11 and the actual shader performance of the GeForce 6800 Ultra is 9. The GeForce 7900 GT having 2 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce 7900 GT delivers a slightly smoother and more efficient experience when processing graphical data than the GeForce 6800 Ultra.

The GeForce 7900 GT requires 49 Watts to run and the GeForce 6800 Ultra requires 124 Watts. We would recommend a PSU with at least 400 Watts for the GeForce 7900 GT. The GeForce 6800 Ultra requires 75 Watts more than the GeForce 7900 GT to run. The difference is significant enough that the GeForce 6800 Ultra may have an adverse affect on your yearly electricity bills in comparison to the GeForce 7900 GT.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed450 MHzvs400 MHz
Boost Clock-vs-
ArchitectureG71NV40/NV45
OC Potential - vs -
Driver Support - vs -
Release Date01 Mar 2006vs01 Mar 2005
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory256 MBvs256 MB
Memory Speed660 MHzvs550 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR3vsGDDR3
Memory Bandwidth42.2GB/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 Units24vs22
Actual Shader Performance1%vs0%
Technology90nmvs-
Texture Mapping Units24vs-
Texture Rate10.8 GTexel/svs-
Render Output Units16vs-
Pixel Rate7.2 GPixel/svs-
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections0vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power49 Wattsvs124 Watts
Recommended PSU400 Watts & 26 Amps-

GPU Features

DirectX9.0cvs9.0c
Shader Model3.0vs3.0
Open GL2.0vs1.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended Processor--
Recommended RAM--
Maximum Recommended Gaming Resolution1024x768-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewThe NVIDIA GeForce 7 Series graphics processing units (GPUs) represent a significant leap forward in 3D graphics design, delivering the unparalleled horsepower and revolutionary technologies you need to tackle the latest games and video applications. The GeForce 7 Series GPUs deliver blazing frame rates and outstanding image quality so you can experience full-throttle graphics performance.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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