Media Create Co. this week said the Nintendo 3DS sold 4,132 units between Aug. 1 and Aug. 8 to rank as the No. 5 game hardware for the week.
By comparison, the hardware sold 16,415 units the week prior.
The 3DS did not rank any software in the top ten.
The PSP sold 35,619 units for the week to rank at No. 1 in Japan.
The PSP go sold 0 units to rank No. 10 for the week.
The PSP ranked five titles in the top 10, including J League Pro Soccer Club 7! at No. 1, Toriko: Gourmet Survival at No. 3, and Taiko Drum Master Portable at No. 9.
The company said the hardware, which began sale Mar. 24, has sold 4.32 million units worldwide and 830,000 units in the U.S.
Nintendo DS sales fell to 1.44 million in Q1, down from 3.15 million one year ago.
The Nintendo 3DS includes 3-D display technology that does not require the use of special glasses.
The PS Vita, to be sold in 2012, will include the dual analog sticks, a 5-inch multi-touch OLED display, 3G & GPS, front and rear touch panels, and a compass on three axes. It will utilize flash-memory game cards.
Hardware specifications include an ARM Cortex A9 4-core CPU, front camera, rear camera, built-in microphone, and Bluetooth 2.1.
The company will partner with AT&T to allow current customers to access Wi-Fi hotspots nationwide.
The PSVita Party mode will allow users to chat with nearby owners. In addition, near will allow users to play with friends using their PSN ID.