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Benchmarks:
These scores should be pretty self explanatory. A couple things to note is the performance gap widens with increased graphics quality. We most likely hit a system limit in BF2's first benchmark test and AquaMark3 since all three video cards scored about the same. Amazingly, the 7800 GTX 512MB runs over 20% faster than the 256MB GTX in all the second set of benchmarks. In 3DMark05, the 512MB GTX almost has a 25% advantage in speed.
Performance Comparison Analysis: Although we did not include an ATI Radeon X1800 XT sample in these benchmarks, it is safe to assume that the EVGA e-GeForce 7800 GTX 512MB can perform better. Firstly, the Radeon X1800 XT is outmatched in every hardware aspect from memory bandwidth to fill rate. Secondly, we have only seen the Radeon X1800 XT match the Nvidia reference 7800 GTX 256MB (400/1200) in a Source engine benchmark and also in one instance beat the original GTX by 19.28% in Battlefield 2 with 4xAA @ 1280 resolution. Hence, based on the scores we see here, we can expect the 512MB 7800 GTX to easily beat the ATI Radeon X1800 XT since it produces scores that are a consistent 20% to 25% higher than EVGA's overclocked 7800 GTX N528 (450/1200) at maximum graphic quality settings.
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