GPUBoss Review Our evaluation of 7790 vs TITAN

Gaming

Real world tests using the latest 3D games

crysis: warhead (2013) and battlefield 3 (2013)

Benchmarks

Synthetic tests to measure overall performance

Passmark, 3DMark Vantage Texture Fill, 3DMark 11 Graphics and 2 more

Compute Performance

General computing tests executed on the GPU

Civilization 5 Texture Decomposition (2013), Passmark Direct Compute and 1 more

Noise and Power

How loud and hot does the card run idle and under load

TDP, Idle Noise Level, Load Noise Level, Idle Power Consumption and 1 more

GPUBoss Score

Gaming, Benchmarks, Compute Performance and Noise and Power

Winner
Nvidia GeForce GTX TITAN 

GPUBoss recommends the Nvidia GeForce GTX TITAN  based on its gaming, benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of Radeon HD 7790

Reasons to consider the
AMD Radeon HD 7790

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Significantly higher clock speed 1,000 MHz vs 836 MHz Around 20% higher clock speed
Much more energy-efficient load power consumption 249W vs 429W More than 40% more energy-efficient load power consumption
Much quieter load noise level 37.8 dB vs 51 dB More than 25% quieter load noise level
Significantly lower TDP 85W vs 250W 2.9x lower TDP
Front view of GeForce GTX TITAN

Reasons to consider the
Nvidia GeForce GTX TITAN

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Much better 3DMark vantage texture fill score 172.3 vs 51.1 More than 3.2x better 3DMark vantage texture fill score
Much better passmark score 8,002 vs 3,017 Around 2.8x better passmark score
Much more memory 6,144 MB vs 1,024 MB 6x more memory
Much better 3DMark vantage graphics score 46,180 vs 19,360 Around 2.5x better 3DMark vantage graphics score
Much better 3DMark06 score 38,420 vs 15,490 Around 2.5x better 3DMark06 score
Better 3DMark 11 graphics score 14,090 vs 5,670 Around 2.5x better 3DMark 11 graphics score
Significantly higher memory bandwidth 288.4 GB/s vs 96 GB/s More than 3x higher memory bandwidth
Much higher texture rate 187.3 GTexel/s vs 56 GTexel/s More than 3.2x higher texture rate
Significantly better floating-point performance 4,494 GFLOPS vs 1,792 GFLOPS More than 2.5x better floating-point performance
Significantly higher pixel rate 46.8 GPixel/s vs 16 GPixel/s Around 3x higher pixel rate
Many more texture mapping units 224 vs 56 168 more texture mapping units
Significantly more shading units 2,688 vs 896 Three times as many shading units
Significantly more render output processors 48 vs 16 Three times as many render output processors
Much better civilization 5 texture decomposition (2013) score 410 vs 242.1 Around 70% better civilization 5 texture decomposition (2013) score
Much better passmark direct compute score 4,600 vs 1,504 More than 3x better passmark direct compute score
Much higher crysis: warhead framerate 78.9 fps vs 29.4 fps Around 2.8x higher crysis: warhead framerate
Much higher battlefield 3 framerate 137.1 fps vs 53.6 fps More than 2.5x higher battlefield 3 framerate
Much better CLBenchmark raytrace score 300,322 vs 127,080 More than 2.2x better CLBenchmark raytrace score
Significantly wider memory bus 384 bit vs 128 bit 3x wider memory bus

Benchmarks Real world tests of Radeon HD 7790 vs GeForce GTX TITAN

Passmark Industry standard benchmark for overall graphics card performance

3DMark Vantage (Texture Fill) Industry standard benchmark that tests DirectX performance

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

Radeon HD 7790 GeForce GTX TITAN @ community.futuremark.com

Crysis: Warhead (2013) 1920x1080 - Enthusiast Quality + 4xAA

Radeon HD 7790
29.4 fps
In a nutshell, Far Cry 3 is everything gamers missed in Far Cry 2 (after Crytek was tossed out of the franchise by Ubisoft) and even Crysis 2 (in which Crytek swaps the tropical paradise setting for grim, apocalyptic New York).
GeForce GTX TITAN | by techPowerUp! (Feb, 2013)

Passmark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing

Reviews Word on the street

Radeon HD 7790  vs GeForce GTX TITAN 

9.3
8.9
The card features a custom-design dual-fan cooler and offers factory-overclocked speeds of 1075 MHz core and 6.40 GHz memory for a premium of just $10 over AMD's suggested reference design retail price of $149.
Radeon HD 7790

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