In the U.S., Sony's console sold 224,900 units versus Xbox 360's 204,800 during the month.
PS3 also topped Xbox 360 in June, nearly doubling sales of Microsoft's console that month thanks to the release of PS3 exclusive Metal Gear Solid 4.
In typical fashion, Nintendo Wii handily outsold the two higher-priced consoles with 555,000 units sold in July.
Sales of consoles and portable gaming devices drove hardware revenues for June to $446.9 million, a 17 percent year-on-year increase.
Nintendo DS was the top-selling piece of hardware with 608,400 units sold, while PSP and PS2 sold 221,700 and 155,500 units, respectively.
Software growth was in line with analysts' expectations, and showed the greatest sales growth during the month, rising 41 percent to $591.1 million with EA Sports' NCAA Football 09 for Xbox 360 leading the charge at 397,600 units sold.
NCAA outsold the May release Wii Fit, which sold 369,600. Guitar Hero: On Tour for DS sold 309,700 units for a podium finish.
Also of note was July's Soul Calibur IV, which sold 218,900 on Xbox 360 and and 155,800 on PS3.
Sales of accessories hit $149.1 million for month, a rise of 19 percent.
July's software sales rankings by units are below:
- 360 NCAA Football 09, EA: 397.6K
- Wii Fit w/ Balance Board, Nintendo: 369.6K
- DS Guitar Hero On Tour, Activision: 309.7K
- Wii Play w/ Remote, Nintendo: 284K
- PS3 NCAA Football 09, EA, 242.5K
- 360 Soul Calibur IV, Namco: 218.9K
- Wii Mario Kart w/ wheel, Nintendo: 174.5K
- Wii Rock Band bundle, MTV Games: 165.8K
- PS3 Soul Calibur IV, Namco: 155.8K
- 360 Civilization Revolution, Take-Two: 147.6K