Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce 8400 GS Rev. 4 Quadro4 780 XGL
Cyberpunk 2077 4423% 6706%
Halo: Reach 946% 1474%
Red Dead Redemption 2 3192% 4854%
Call of Duty: Modern Warfare 3192% 4854%
Doom Eternal 2731% 4159%
Dragon Ball Z Kakarot 1931% 2956%
Microsoft Flight Simulator 4423% 6706%
FIFA 20 1654% 2539%
Need For Speed Heat 3192% 4854%
Grand Theft Auto VI 4931% 7469%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 8400 GS Rev. 4 are significantly better than the Nvidia Quadro4 780 XGL.

The 8400 GS has a 245 MHz higher core clock speed and the same number of Texture Mapping Units as the Quadro4 780 XGL. This results in the 8400 GS providing 2 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since the 8400 GS supports up to DirectX 10.1.

The 8400 GS has a 245 MHz higher core clock speed than the Quadro4 780 XGL and the same number of Render Output Units. This results in the 8400 GS providing 1 GPixel/s better pixeling performance. The 8400 GS supports up to DirectX 10.1, so pixeling performance is not particularly relevant for this GPU. It would be relevant for comparing the Quadro4 780 XGL with other old GPUs, but in this case it is probably safe to say that the 8400 GS is superior.

The 8400 GS was released over three years more recently than the Quadro4 780 XGL, and so the 8400 GS is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the Quadro4 780 XGL when running the latest games.

Both GPUs exhibit very poor performance, so rather than upgrading from one to the other you should consider looking at more powerful GPUs. Neither of these will be able to run the latest games in any playable way.

The 8400 GS has 384 MB more video memory than the Quadro4 780 XGL, so is likely to be slightly better at displaying game textures at higher resolutions. This is supported by the fact that the 8400 GS also has superior memory performance overall.

The 8400 GS has 3.6 GB/sec greater memory bandwidth than the Quadro4 780 XGL, which means that the memory performance of the 8400 GS is marginally better than the Quadro4 780 XGL.

The GeForce 8400 GS Rev. 4 has 16 Shader Processing Units and the Quadro4 780 XGL has 4. However, the actual shader performance of the 8400 GS is 19 and the actual shader performance of the Quadro4 780 XGL is 1. The 8400 GS having 18 better shader performance and an altogether better performance when taking into account other relevant data means that the 8400 GS delivers a marginally smoother and more efficient experience when processing graphical data than the Quadro4 780 XGL.

The 8400 GS transistor size technology is 110 nm (nanometers) smaller than the Quadro4 780 XGL. This means that the 8400 GS is expected to run massively cooler and achieve higher clock frequencies than the Quadro4 780 XGL. While they exhibit similar graphical performance, the 8400 GS should consume less power than the Quadro4 780 XGL.

The GeForce 8400 GS Rev. 4 requires 40 Watts to run but there is no entry for the Quadro4 780 XGL. We would recommend a PSU with at least 300 Watts for the 8400 GS.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed520 MHzvs275 MHz
Boost Clock-vs-
ArchitectureTesla GT218NV28
OC Potential Poor vs Poor
Driver Support Poor vs -
Release Date17 Apr 2007vs01 Nov 2002
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
2.1
green tick vs -
1920x1080
1.4
green tick vs -
2560x1440
0.9
green tick vs -
3840x2160
0.5
green tick vs -

GPU Memory

Memory512 MBvs128 MB
Memory Speed500 MHzvs275 MHz
Memory Bus64 Bitvs128 Bit
Memory TypeDDR3vsDDR
Memory Bandwidth8GB/secvs4.4GB/sec
L2 Cache 0 KB green tick vs green tick 0 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units16vs4
Actual Shader Performance1%vs0%
Technology40nmvs150nm
Texture Mapping Units8vs8
Texture Rate4.2 GTexel/svs2.2 GTexel/s
Render Output Units4vs4
Pixel Rate2.1 GPixel/svs1.1 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs-
VGA Connections1vs0
DVI Connections1vs2
HDMI Connections1vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power40 Watts-
Recommended PSU300 Watts & 22 Amps-

GPU Features

DirectX10.1vs8.1
Shader Model4.1vs1.3
Open GL3.3vs1.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Celeron D 360-
Recommended RAM3 GB-
Maximum Recommended Gaming Resolution1024x768-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce 8400 GS Rev. 4 is an Entry-Level Graphics Card based on the Second Revision of the Tesla Architecture.

Architecture
Tesla was NVIDIA's First Unified Shader Architecture.

GPU
It equips a GPU Codenamed GT218 which has 2 Stream Multiprocessors activated and thus offers 16 Shader Processing Units, 8 TMUs and 4 ROPs. The Central Unit is clocked at 520MHz.

Memory
The GPU accesses a 512MB frame buffer of DDR3, through a 64-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 500MHz.

Power Consumption
With a rated board TDP of 40W, it requires relies entirely on the PCI Slot for power, meaning no connectors are required.

Performance
Quadro4 780 XGL is a professional graphics card that will deliver similar gaming performance to GeForce4 Ti 4400, though worse due to the lack of support for gaming drivers.
Recommended CPU
-
Possible GPU Upgrades
-
GPU Variants
-

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