The design of the HTC Desire 501 is completely different than the latest models from HTC, looks more like the previous style. Specifications but covers a smaller display – 4.3 inches with a resolution of 800 x 480 pixels and naturally lower density pixels, 186 ppi. Dual-core processor offers a maximum clock speed of 1.15 GHz and has 1 GB of RAM.
Internal memory available in this device is 8 GB, but it can also be extended by microSD cards up to 64 GB. When it comes to camera: 8-megapixel rear and 2 megapixel front. Identical components occurs even 2100 mAh battery. The whole works on Android with Sense.

More about the specifications:

Display: 4.3-inch display with WVGA resolution (800 x 480 pixels),
Processor: 2-core clocked at 1.15 GHz,
RAM: 1 GB,
NAND Memory: 8 GB + micro SD up to 32 GB
Camera: 8-megapixel sensor with aperture of F2.0, 28mm lens, HTC ImageChip, BSI,
Camera: 2.1 megapixel camera wide angle,
Communication: contactless NFC technology, Bluetooth 4.0, network card WiFi (IEEE 802.11 b / g / n),
Battery: 2100 mAh
System: Google Android with HTC Sense,
Dimensions: 128.5 × 66.9 × 9.8 mm,
Weight: 130 g