Comparing The Cores: Palomino Vs. Thoroughbred Vs. Northwood
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Manufacturer
AMD
AMD
Intel
Processor
Athlon XP Palomino Core
Athlon XP Thoroughbred Core
Pentium 4 Northwood Core
Introduction
October 9, 2001
Q2, 2002
January 7, 2002
Clock Frequencies
1.2 - 1.80 GHz
1.86 - 2.xx GHz
1.6 - 2.xx GHz
Manufacturing Process
0,18 µm
0,13 µm
0,13 µm
Die size
128 mm2
80 mm2
146 mm2
Number of Gates
37,5 Million
37,5 Million
55 Million
Platform
Socket462
Socket462
Socket478
CPU Bus Clock(Front Side Bus)
133 MHz / 266 MHz DDR
133 MHz / 266 MHz DDR
100 MHz / 400 MHz QDR
L1 Execution Cache Size
64 kB
64 kB
12.000 µ-Ops (Trace Cache)
Execution Pre Decode?
no
no
yes
L1 Data Cache Size
64 kB
64 kB
8 kB (unconfirmed)
Hardware Data Prefetch
yes
yes
yes
L1 Cache Clock
core clock
core clock
core clock
L1 Data Cache Bus Width
64 bit
64 bit
256 bit
L2 Cache Size
256 kB
256 kB
512 kB
L2 Cache Clock
core clock
core clock
core clock
L2 Cache Addressable Range
64 GB
64 GB
64 GB
Processor Data Bus Width
64 bit
64 bit
64 bit
Platform Support
Chipsets
VIA KT133 to KT333ASiS 735 and SiS 745ALi Magik 1Nvidia nForceAMD 750 and 760
VIA KT133A to KT333ASiS 735 and SiS 745ALi Magik 1Nvidia nForceAMD 750 and 760
Intel 845, Intel 845D and Intel 845EIntel 850 and Intel 850EVIA P4X266VIA P4X266ASiS 645
Type of Memory
SDRAM, DDR-SDRAM
SDRAM, DDR-SDRAM
SDRAM, DDR-SDRAM, RDRAM
Memory Clock
100/133/166 MHz
100/133/166 MHz
100/133/166/300/400/533 MHz
Instruction Extensions
Row 22 - Cell 1
Row 22 - Cell 2
Row 22 - Cell 3
MMX
yes
yes
yes
Enhanced 3DNow!
yes
yes
no
3DNow! Professional
yes
yes
no
SSE
yes
yes
yes
SSE2
no
no
yes
Electrical Specifications
Row 28 - Cell 1
Row 28 - Cell 2
Row 28 - Cell 3
SMP-Support
no ('not officially endorsed or supported')
no ('not officially endorsed or supported')
no
Core Voltage
1,75 Volt
1,5 Volt
1,5 Volt
Thermal Protection(Thermal Diode)
yes
yes
yes
Integrated Thermal Protection Logic
no, requires logic on motherboard
no, requires logic on motherboard
yes
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