Sempron

Sempron 3000+

Sempron is AMD's newest low-end CPU. It is replacing the Duron processor, and will compete against Intel's Celeron D processor.

Initial variants were based on the Athlon XP's Thoroughbred/Thorton Core, with a 256 KB L2-Cache and 166 MHz Front side bus (FSB 333). The later introduced Sempron 3000+ is based on the Barton core and has 512 KB of L2-Cache.

Later versions (Paris/Palermo) are downgraded versions of the Athlon 64, which do not support AMD64 instructions and only have 128 or 256 KB of L2-Cache. Apart from these restrictions, the new Semprons share most features with the Athlon 64, including the integrated on-die memory controller as well as support for the HyperTransport infrastructure.

1 Models
2 See also

Models

Thoroughbred B/Thorton (130 nm)

L1-Cache: 64 + 64 KB (Data + Instructions)
L2-Cache: 256 KB, fullspeed
MMX, 3DNow!, SSE
Socket A (EV6)
Front side bus: 166 MHz (FSB 333)
VCore: 1.6 V
First release: July 28, 2004
Clockrate: 1500 MHz – 2000 MHz (2200+ to 2800+)

Barton (130 nm)

L1-Cache: 64 + 64 KB (Data + Instructions)
L2-Cache: 512 KB, fullspeed
MMX, 3DNow!, SSE
Socket A (EV6)
Front side bus: 166 MHz (FSB 333)
VCore: 1.6 V
First release: September 17, 2004
Clockrate: 2000 MHz (3000+)

Paris (130 nm SOI)

L1-Cache: 64 + 64 KB (Data + Instructions)
L2-Cache: 256 KB, fullspeed
MMX, 3DNow!, SSE, SSE2
Integrated memory controller
Socket 754, 800 MHz HyperTransport
VCore: 1.4 V
First release: July 28, 2004
Clockrate: 1800 MHz (3100+)

Palermo (90 nm SOI)

Early models are downlabeled "Oakville" mobile Athlon64
L1-Cache: 64 + 64 KB (Data + Instructions)
L2-Cache: 128/256 KB, fullspeed
MMX, 3DNow!, SSE, SSE2
Cool'n'Quiet (3000+ and higher)
Enhanced Virus Protection (NX bit)
Integrated memory controller
Socket 754, 800 MHz HyperTransport
VCore: 1.4 V
First release: February 2005
Clockrate: 1600 – 2000 MHz
- 128 KB L2-Cache: 1600 – 2000 MHz (2600+ to 3200+)
- 256 KB L2-Cache: 1600 – 2000 MHz (2800+ to 3300+)