Select any two GPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game GeForce 7900 GT Radeon HD 3800 series
Cyberpunk 2077 1771% 1209%
Assassins Creed: Valhalla 1611% 1098%
Call of Duty: Black Ops Cold War 1556% 1059%
FIFA 21 844% 560%
Microsoft Flight Simulator 1556% 1059%
World of Warcraft: Shadowlands 2582% 1777%
Watch Dogs Legion 1705% 1163%
Horizon: Zero Dawn 1672% 1140%
Grand Theft Auto VI 2532% 1742%
Genshin Impact 1771% 1209%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 3800 series are significantly better than the Nvidia GeForce 7900 GT.

The HD 3800 has no core clock speed set, so any comparison between Texture and Pixel Fill Rates is not currently possible.

The HD 3800 was released over a year more recently than the GeForce 7900 GT, and so the HD 3800 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GeForce 7900 GT.

The HD 3800 has 256 MB more video memory than the GeForce 7900 GT, so is likely to be slightly better at displaying game textures at higher resolutions. However, overall, the GeForce 7900 GT has superior memory performance.

The GeForce 7900 GT has 42.2 GB/sec greater memory bandwidth than the HD 3800, which means that the memory performance of the GeForce 7900 GT is noticeably better than the HD 3800.

The GeForce 7900 GT has 24 Shader Processing Units and the Radeon HD 3800 series has 320. However, the actual shader performance of the GeForce 7900 GT is 11 and the actual shader performance of the HD 3800 is 0. The GeForce 7900 GT having 11 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce 7900 GT delivers a noticeably smoother and more efficient experience when processing graphical data than the HD 3800.

The HD 3800 transistor size technology is 35 nm (nanometers) smaller than the GeForce 7900 GT. This means that the HD 3800 is expected to run much cooler and achieve higher clock frequencies than the GeForce 7900 GT.

The GeForce 7900 GT requires 49 Watts to run but there is no entry for the Radeon HD 3800 series. We would recommend a PSU with at least 400 Watts for the GeForce 7900 GT.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed450 MHzvs-
Boost Clock-vs-
OC Potential - vs -
Driver Support - vs -
Release Date01 Mar 2006vs01 Nov 2007
GPU LinkGD LinkGD Link

GPU Memory

Memory256 MBvs512 MB
Memory Speed660 MHzvs-
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR3vsDDR3
Memory Bandwidth42.2GB/secvs-
L2 Cache - vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units24vs320
Actual Shader Performance1%vs-
Texture Mapping Units24vs16
Texture Rate10.8 GTexel/svs-
Render Output Units16vs16
Pixel Rate7.2 GPixel/svs-

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections2vs0
HDMI Connections0vs0
DisplayPort Connections-vs-

GPU Power Requirements

Max Power49 Watts-
Recommended PSU400 Watts & 26 Amps-

GPU Features

Shader Model3.0vs4.1
Open GL2.0vs3.2
Open CL-vs-
Notebook GPUnono

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.Radeon HD 3800 Series is not a GPU but instead a combination between Radeon HD 3830, Radeon HD 3850 and Radeon HD 3870 whose rank is a balance between the three and that exists for System Requirements purposes only.
Recommended CPU
Possible GPU Upgrades
GPU Variants