Select any two GPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 295 Asus Mars ROG 4GB Edition GeForce GTX 780 Gainward Phantom GLH Edition
Red Dead Redemption 2 94% 13%
Halo: Reach 38% 64%
Cyberpunk 2077 166% 55%
Call of Duty: Modern Warfare 94% 13%
Doom Eternal 67% 3%
Microsoft Flight Simulator 166% 55%
Warcraft 3: Reforged 93% 96%
Grand Theft Auto VI 196% 72%
Star Wars: Jedi - Fallen Order 166% 55%
Dragon Ball Z Kakarot 20% 30%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 780 Gainward Phantom GLH Edition are significantly better than the Nvidia GeForce GTX 295 Asus Mars ROG 4GB Edition.

The GTX 780 has a 332 MHz higher core clock speed and 32 more Texture Mapping Units than the GTX 295. This results in the GTX 780 providing 84.5 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 780 has a 332 MHz higher core clock speed but 8 fewer Render Output Units than the GTX 295. The lower ROP count doesn't matter, though, as altogether the GTX 780 manages to provide 10.7 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 780 was released over three years more recently than the GTX 295, and so the GTX 780 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the GTX 295 when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The GTX 295 has 1024 MB more video memory than the GTX 780, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the GTX 780 has superior memory performance.

The GTX 780 has 6.8 GB/sec greater memory bandwidth than the GTX 295, which means that the memory performance of the GTX 780 is marginally better than the GTX 295.

The GeForce GTX 295 Asus Mars ROG 4GB Edition has 480 Shader Processing Units and the GeForce GTX 780 Gainward Phantom GLH Edition has 2304. However, the actual shader performance of the GTX 295 is 715 and the actual shader performance of the GTX 780 is 2380. The GTX 780 having 1665 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 780 delivers a massively smoother and more efficient experience when processing graphical data than the GTX 295.

The GTX 780 transistor size technology is 27 nm (nanometers) smaller than the GTX 295. This means that the GTX 780 is expected to run slightly cooler and achieve higher clock frequencies than the GTX 295.

The GeForce GTX 295 Asus Mars ROG 4GB Edition requires 500 Watts to run but there is no entry for the GeForce GTX 780 Gainward Phantom GLH Edition. We would recommend a PSU with at least 750 Watts for the GTX 295 and a PSU with at least 600 Watts for the GTX 780. The GTX 295 has been recommended a PSU with 150 Watts more than the GTX 780. The difference is significant enough that the GTX 295 may have an adverse affect on your yearly electricity bills in comparison to the GTX 780.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed648 MHzvs980 MHz
Boost Clock-vs1033 MHz
ArchitectureTesla G200-400-B3 (x2)Kepler GK110-300-A1
OC Potential None vs Poor
Driver Support Poor vs Good
Release Date17 Jun 2009vs30 Jun 2013
GPU LinkGD LinkGD Link

Resolution Performance

green tick vs -
vs green tick
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GPU Memory

Memory4096 MBvs3072 MB
Memory Speed1100 MHzvs1502 MHz
Memory Bus1024 Bitvs384 Bit
Memory TypeGDDR3vsGDDR5
Memory Bandwidth281.6GB/secvs288.4GB/sec
L2 Cache 0 KB vs green tick 1536 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units480vs2304
Actual Shader Performance34%vs100%
Texture Mapping Units160vs192
Texture Rate103.7 GTexel/svs188.2 GTexel/s
Render Output Units56vs48
Pixel Rate36.3 GPixel/svs47 GPixel/s

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
DisplayPort Connections-vs-

GPU Power Requirements

Max Power500 Watts-
Recommended PSU750 Watts & 55 Ampsvs600 Watts & 42 Amps

GPU Features

Shader Model4.0vs5.0
Open GL3.3vs4.5
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-960 Quad 3.2GHzvsIntel Core i7-4770K 4-Core 3.5GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs2560x1440

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GTX 295 Asus Mars ROG 4GB Edition is a special edition of NVIDIA's Dual Graphics GeForce GTX 295, created by Asus.

Overclock: Central Unit
The Central Unit now runs at 648MHz, instead 576MHz.

Overclock: Memory Clock
The Operating Memory Clock runs at 1100MHz while the Frame Buffer is now of 4GB. This is a gimmick and in no way benefits the GPU. Furthermore, the GPU now accesses a 1024-bit bus width.

Cooling Solution
The Cooling System remains the same.

Benchmarks indicate a 20% performance boost over the reference GeForce GTX 295.
GeForce GTX 780 Gainward Phantom GLH Edition is a special edition of the high-end GeForce GTX 780.
This edition comes with a custom triple fan cooling solution which by itself should allow a slight performance boost, as GeForce GTX 780 benefits from the GPU Boost 2.0 technology.
Also, it has been overclocked out of the box from 863MHz to 980MHz while its boost clock is now of 1033MHz. The memory clock was also increased to 1550MHz.
Benchmarks indicate a 8% performance boost when compared to the reference card.
Recommended CPU
Possible GPU Upgrades
GPU Variants