Code name
Micro-architecture
MMX™ / Streaming SIMD
SSE2
for value desktop systems
Willamette
IA-32 / NetBurst™ (CISC/RISC/micro-ops) / 20 stage pipeline (Hyper-pipelined technology)
MMX™ (57 new instructions) / Streaming SIMD Extensions (70 new instructions)
Streaming SIMD Extensions 2 (144 new instructions)
Personal Systems Reference (PSREF)
Created by IBM PC Institute
L1 cache - bus
L1 data cache
L1 instruction cache
L2 cache - size
L2 cache - data path
Frontside bus
Memory addressability
Frontside bus - width
Execution units
Out-of-order instructions
Branch prediction
Speculative execution
Math coprocessor
Compatibility
Cache line size
Multiple processors
Technology (micron)
Transistors
Package and connector
Frequency (MHz)
and available date
256-bit data path / full speed
8KB data cache / 4-way set associative / write-through / 64 byte cache line / integrated
Size not published / holds 12,000 micro-ops / 8-way set associative / integrated /
called Execution Trace Cache; caches decoded x86 instructions (micro-ops)
128KB / full speed (Advanced Transfer Cache)
256-bit data path (32 bytes) / transfers on each bus clock / 128 byte cache line size (usually divided into two 64 byte
sectors) / 8-way set associative / integrated / unified (internal die; on die) / ECC
400MHz (transfers data four times per clock) / address bus transfers at two times per clock / 64 byte cache line size
64GB memory addressability / 36-bit addressing / address bus is double clocked at 200MHz
64-bit data path
2 integer units; 1 floating point units; 1 load unit; 1 store unit
Two integer units (or Arithmetic Logic Units) run at two times core frequency (Rapid Execution Engine)
Yes
Dynamic (based on history) / 4KB Branch Target Buffer
Yes (Advanced Dynamic Execution)
Pipelined floating point unit / handles 128-bit floating point registers
Compatible with IA-32 software
128 bytes (32 bytes x 4 chunks); burst mode bus of addr-data-data-data
No SMP support
0.18u
~42 million with die size of 217 square millimeters
Flip-Chip Pin Grid Array-2 (FC-PGA2) requires 478-pin surface mount Zero Insertion Force (ZIF) socket
named mPGA478B socket; used with SDRAM-based chipset (such as 845 chipset)
(26INTEL) Compiled by Roger Dodson, IBM. June 2002
PC Processors (Celeron - Northwood)
®
Intel® Celeron
Code name
Micro-architecture
MMX™ / Streaming SIMD
SSE2
for value desktop (and mobile) systems
Celeron Northwood
IA-32 / NetBurst™ (CISC/RISC/micro-ops) / 20 stage pipeline (Hyper-pipelined technology)
MMX™ (57 new instructions) / Streaming SIMD Extensions (70 new instructions)
Streaming SIMD Extensions 2 (144 new instructions)
Personal Systems Reference (PSREF)
Created by IBM PC Institute
L1 cache - bus
L1 data cache
L1 instruction cache
L2 cache - size
L2 cache - data path
Frontside bus
Memory addressability
Frontside bus - width
Execution units
Out-of-order instructions
Branch prediction
Speculative execution
Math coprocessor
Compatibility
Cache line size
Multiple processors
Technology (micron)
Package and connector
Frequency (MHz)
and available date
256-bit data path / full speed
8KB data cache / 4-way set associative / write-through / 64 byte cache line / integrated
Size not published / holds 12,000 micro-ops / 8-way set associative / integrated /
called Execution Trace Cache; caches decoded x86 instructions (micro-ops)
128KB / full speed (Advanced Transfer Cache)
256-bit data path (32 bytes) / transfers on each bus clock / 128 byte cache line size (usually divided into two 64 byte
sectors) / 8-way set associative / integrated / unified (internal die; on die) / ECC
400MHz (transfers data four times per clock) / address bus transfers at two times per clock / 64 byte cache line size
64GB memory addressability / 36-bit addressing / address bus is double clocked at 200MHz
64-bit data path
2 integer units; 1 floating point units; 1 load unit; 1 store unit
Two integer units (or Arithmetic Logic Units) run at two times core frequency (Rapid Execution Engine)
Yes
Dynamic (based on history) / 4KB Branch Target Buffer
Yes (Advanced Dynamic Execution)
Pipelined floating point unit / handles 128-bit floating point registers
Compatible with IA-32 software
128 bytes (32 bytes x 4 chunks); burst mode bus of addr-data-data-data
No SMP support
0.13u
Flip-Chip Pin Grid Array-2 (FC-PGA2) requires 478-pin surface mount Zero Insertion Force (ZIF) socket
named mPGA478B socket; used with SDRAM-based chipset (such as 845 chipset)
2.0GHz available September 2002
2.1GHz available November 2002
2.2GHz available November 2002
2.2GHz available June 2003 for mobile systems
2.3GHz available March 2003
2.3GHz available June 2003 for mobile systems
2.4GHz available March 2003
2.4GHz available June 2003 for mobile systems
2.5GHz available June 2003 for both desktop and mobile systems (transportable processors)
2.6GHz available June 2003 for both desktop and mobile systems (transportable processors)
2.7GHz available September 2003 for both desktop and mobile systems (transportable processors)
2.8GHz available November 2003 for both desktop and mobile systems (transportable processors)
Chipset support
Intel 845 and 865 desktop family and others
Intel 852GM, 852GME, 852PM mobile chipset
System bus - parity
System bus - speed
System bus - features
Bus architecture
Execution units
Pipeline stages
Supscal dispatch/execute
Superscalar issue
Superscalar retire
Out-of-order instructions
Branch prediction
Speculative execution
Math coprocessor
Internal processing
External data bus
External address bus
User registers
Cache line size
Power management
Multiple processors
Technology (micron)
CPU voltage
Package type
®
Intel
Value mobile PC
IA-32 / P6 microarchitecture / CISC/RISC/micro-ops
MMX (57 new instructions) /
Streaming SIMD Extensions (70 new instructions)
16KB data; 16KB instruction
Write-back or thru (data); write-thru (instruction)
4-way set associative
64-bit / full speed / non-blocking
Parity in cache and internal registers
128KB / full speed
64-bit data path / ECC
8-way set associative / non-blocking
Integrated / unified (internal die; on die)
Write-through or write-back (programmable per line),
uncacheable, write-protect
ECC on system bus; parity on address bus (frontside)
133MHz frontside bus
Nonblocking cache hierarchy
Independent backside and frontside buses operate
concurrently / Dual Independent Bus Architecture
2 integer/MMX units; 1 floating pt unit;1 load unit; 1 store unit
Decoupled, 14 stage superpipelined
5 micro-ops per cycle (3 micro-ops is typical)
6 micro-ops per cycle (3 micro-ops is typical)
3 micro-ops per cycle
Yes (called dynamic execution)
Dynamic (based on history) / 512 entry BTB
Yes
Pipelined math coprocessor
32-bits (300 bit internal bus width) / 32-bit word size
64-bit system bus with ECC
36-bits (64GB physical address space; 64TB virtual)
8 GPR, 8 FP, 40 more GPR via register renaming
32 bytes (8 bytes x 4 chunks)
Quick Start and Deep Sleep
No SMP support
MMX (57 new instructions) /
Streaming SIMD Extensions (70 new instructions)
Same
Same
Same
Same
Same
256KB / full speed (Advanced Transfer Cache)
256-bit data path / quad-wide cache line / ECC
Intelligent buffering of read and stores (called
Advanced System Buffering with 4 writeback buffers,
6 fill buffers, 8 bus queue entries) / Data Prefetch Logic
8-way set associative
Integrated / unified (internal die; on die)
Write-through or write-back (programmable per line),
uncacheable, write-protect
Non-blocking / pipelined burst synchronous
Same
100MHz or 133MHz frontside bus
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
Same
0.13u
1.1 volts for Ultra Low Voltage processors
1.15 volts for Low Voltage processors
1.4 or 1.45 volts for others
Micro-Flip Chip Ball Grid Array (Micro-FCBGA)
Micro-Flip Chip Pin Grid Array (Micro-FCPGA)
The "A" is added to the "800A" in Micro-FCBGA and
Micro-FCPGA to distinguish it from the Mobile Intel
Celeron Processor 800MHz in Micro-BGA2 and
Micro-PGA2 packages
650/100MHz Ultra Low Voltage (January 2002)
650/100MHz Low Voltage (October 2001)
700MHz/100MHz Ultra Low Voltage (September 2002)
733MHz/133MHz Low Voltage (April 2002)
733MHz/133MHz Ultra Low Voltage (September 2002)
800MHz/133MHz Ultra Low Voltage (January 2003)
866MHz/133MHz Low Voltage (January 2003)
1GHz/133MHz (April 2002)
1.06GHz/133MHz (January 2002)
1.13GHz/133MHz (January 2002)
1.2GHz/133MHz (January 2002)
1.33GHz/133MHz (June 2002)
(20INTEL) Compiled by Roger Dodson, IBM. January 2003
PC Processors (Mobile Celeron - Northwood)
®
Mobile Intel® Celeron
Code name
Micro-architecture
MMX™ / Streaming SIMD
SSE2
Power mgmt technology
for value mobile systems
Northwood
IA-32 / NetBurst™ (CISC/RISC/micro-ops) / 20 stage pipeline (Hyper-pipelined technology)
MMX™ (57 new instructions) / Streaming SIMD Extensions (70 new instructions)
Streaming SIMD Extensions 2 (144 new instructions)
AutoHALT, Stop-Grant, Sleep, Deep Sleep
Personal Systems Reference (PSREF)
Created by IBM PC Institute
L1 cache - bus
L1 data cache
L1 instruction cache
L2 cache - size
L2 cache - data path
System bus
Memory addressability
System bus - width
Execution units
Out-of-order instructions
Branch prediction
Speculative execution
Math coprocessor
Compatibility
Cache line size
Multiple processors
Technology (micron)
Voltage
Package and connector
Frequency (MHz)
and available date
256-bit data path / full speed
8KB data cache / 4-way set associative / write-through / 64 byte cache line / integrated
Size not published / holds 12,000 micro-ops / 8-way set associative / integrated /
called Execution Trace Cache; caches decoded x86 instructions (micro-ops)
256KB / full speed (Advanced Transfer Cache)
256-bit data path (32 bytes) / transfers on each bus clock / 128 byte cache line size (usually divided into two 64 byte
sectors) / 8-way set associative / integrated / unified (internal die; on die) / ECC
400MHz (transfers data four times per clock) / address bus transfers at two times per clock / 64 byte cache line size
64GB memory addressability / 36-bit addressing / address bus is double clocked at 200MHz
64-bit data path
2 integer units; 1 floating point units; 1 load unit; 1 store unit
Two integer units (or Arithmetic Logic Units) run at two times core frequency (Rapid Execution Engine)
Yes
Dynamic (based on history) / 4KB Branch Target Buffer
Yes (Advanced Dynamic Execution)
Pipelined floating point unit / handles 128-bit floating point registers
Compatible with IA-32 software
128 bytes (32 bytes x 4 chunks); burst mode bus of addr-data-data-data
No SMP support
0.13u
1.3 volts
Micro Flip-Chip Pin Grid Array (uFCPGA) requires 478-pin surface mount Zero Insertion Force (ZIF) socket
1.26GHz available April 2003
1.4GHz available June 2002
1.5GHz available June 2002
1.6GHz available September 2002
1.7GHz available September 2002
1.8GHz available September 2002
2.0GHz available January 2003
2.2GHz available April 2003
2.4GHz available June 2003
2.5GHz available November 2003
Chipset support
Intel 845MZ with DDR-SDRAM memory
Intel 845MP with DDR-SDRAM memory
Intel 852GM, 852GME, 852PM with DDR-SDRAM memory
Other compatible chipsets