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Intel Celeron 420 vs Pentium 4 2.8 GHz

Mini Review

Intel Celeron 420 advantages

  • The Intel Celeron 420 supports Execute disable bit feature, that can protect from some types of computer viruses. This technology does not work on older operating systems, like Windows 2000, MAC OS 9, and earlier ones.
  • The processor incorporates Intel 64 feature, that allows it to run 64-bit operating systems.
  • The Intel Celeron 420 has SSSE3 instructions.
  • The CPU is 61% more energy efficient.

Intel Pentium 4 2.8 GHz advantages

  • One of the distinctive features of the microprocessor is Hyper-Threading technology. This feature allows each CPU core to run two threads simultaneously.
  • Operating frequency of the Intel Pentium 4 2.8 GHz is higher than the frequency of the Intel Celeron 420 microprocessor.

Celeron 420 vs Pentium 4 2.8 GHz specifications comparison

The graphs below show the difference between Pentium 4 2.8 GHz and Celeron 420 most important characteristics. These features, as well as an IPC (instructions per cycle) number, determine how well a processor performs. The "Number of cores / threads" graph shows the number of cores (darker area). Lighter area on the graph represents the number of additional threads, offered by Hyper-Threading technology.

The number of cores / threads
3
2.4
1.8
1.2
0.6
0
 
 
1
 
2
 
 
Higher is better
Operating frequency
4
3.2
2.4
1.6
0.8
0
 
 
1.6GHz
 
2.8GHz
 
 
Higher is better
Thermal Design Power
100
80
60
40
20
0
 
 
35W
 
89W
 
 
Lower is better
 

  - Intel Celeron 420       - Intel Pentium 4 2.8 GHz

Detailed side by side comparison of 420 vs Pentium 4 2.8 GHz specs can be found in the "Specifications" tab. Much more detailed comparison of low level features of both microprocessors you will find in the "CPUIDs" tab.


Pros and Cons summary

Celeron 420 Pentium 4 2.8 GHz
General recommendations:
Offers partial virus protection,
Supports 64-bit operating system,
Significantly lower power
  General recommendations:
Executes more threads at once,
Base frequency is much higher

Drawbacks:

Cannot execute as many threads at once,
Operates at lower base frequency
 

Drawbacks:

Needs considerably more power
Jump to:
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Compare CPUs

Compare Intel Celeron 420 with...

Other Pentium 4 CPU:

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Compare Intel Pentium 4 2.8 GHz with...

Other Celeron CPU:

Any CPU:


Note: To see differences with any CPU, type in any combination of the following into the "Any CPU" field: manufacturer name, full or partial family name, model number, part number, core name, socket name, operating frequency, bus speed (must have FSB suffix), and the last level cache. Here are some valid searches:

  i5-3570K
  Intel Celeron 2 GHz
  Core
  Pentium 4 800FSB
  AMD 3.3GHz 8MB

Specifications

Please visit Intel Celeron 420 and Intel Pentium 4 2.8 GHz pages for more complete specifications of both microprocessors.

 Intel Celeron 420Intel Pentium 4 2.8 GHz
Market segmentDesktop
ManufacturerIntel
FamilyCeleronPentium 4
Basic details
Model number420 
CPU part numberHH80557RG025512RK80546PG0721M
Box part numberBX80557420
BXC80557420
BX80546PG2800E
Introduction date February 2, 2004
 
CPU features
Core nameConroe-LPrescott
MicroarchitectureCoreNetburst
Technology (micron)0.0650.09
Data width (bits)6432
SocketSocket 775Socket 478
Frequency (MHz)16002800
Bus speed (MHz)800
Clock Multiplier814
L1 cache32 KB (code) / 32 KB (data)16 KB (data)
L2 cache (KB)5121024
Max temperature (°C)60.469.1
TDP (Watt)3589
Max power dissipation (Watt)49.98100.39
Core voltage (V)1 - 1.33751.25 - 1.4
Cores1
Threads12
 
Instruction set extensions
AMD64 / EM64T 64-bit technology+-
MMX+
SSE+
SSE2+
SSE3+
SSSE3 / Supplemental SSE3+-
 
Supported technologies
Hyper-Threading-+
Virus Protection / Execute Disable bit+-
 
Integrated Graphics
GPU TypeNone
 
Integrated Memory Controller(s)
The number of controllers0
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "Intel Celeron 420" or "Intel Pentium 4 2.8 GHz" parts please click on the links in the table header.

CPUIDs

The table below compares two random CPUID records for Intel Celeron 420 and Intel Pentium 4 2.8 GHz microprocessors, that were submitted to our CPUID database. Please note that different steppings of Intel processors, identified by S-spec numbers or CPUID, may have slightly different features. For that reason the comparison table below only applies to CPUs with specific S-Spec number / CPUID.

  CPUID 1 CPUID 2
ManufacturerIntel
CPU FamilyCeleronPentium 4
Model / Processor Number4202.80 GHz
Frequency 2793 MHz
CWID version0.20.3
Part numberHH80557RG025512RK80546PG0721M
S-Spec / Stepping CodeSL9XPSL7E3
 
General information
VendorGenuineIntel
Processor name (BIOS)Intel(R) Celeron(R) D CPU 420 @ 1.60GHz Intel(R) Pentium(R) 4 CPU 2.80GHz
Cores1
Logical processors12
Processor typeOriginal OEM Processor
CPUID signature10661F34
Family 6 (06h)15 (0Fh)
Model22 (016h) 3 (03h)
Stepping 1 (01h) 4 (04h)
TLB/Cache details64-byte Prefetching
Data TLB: 4-KB Pages, 4-way set associative, 256 entries
Data TLB: 4-MB Pages, 4-way set associative, 32 entries
Instruction TLB: 2-MB pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries
L1 Data TLB: 4-KB pages, 4-way set associative, 16 entries
L1 Data TLB: 4-MB pages, 4-way set associative, 16 entries
Data TLB: 4-KB or 4-MB pages, fully associative, 64 entries
Instruction TLB: 4-KB, 2-MB or 4-MB pages, fully associative, 64 entries
No 2nd-level cache or, if processor contains a valid 2nd-level cache, no 3rd-level cache
 
Cache
L1 data: Associativity8-way set associative
L1 data: Comments sectored cache
L1 data: Line size64 bytes
L1 data: Size32 KB16 KB
L1 instruction: Associativity8-way set associative
L1 instruction: Line size64 bytes 
L1 instruction: Size32 KB12K uops
L2: Associativity2-way set associative8-way set associative
L2: Comments sectored cache
L2: Line size64 bytes
L2: Size512 KB1 MB
 
Instruction set extensions
MMX+
SSE+
SSE2+
SSE3+
SSSE3+-
 
Additional instructions
CLFLUSH+
CMOV+
CMPXCHG16B+-
CMPXCHG8B+
FXSAVE/FXRSTORE+
MONITOR/MWAIT+
SYSENTER/SYSEXIT+
 
Major features
64-bit / Intel 64+-
Hyper-Threading Technology-+
NX bit/XD-bit+-
On-chip Floating Point Unit+
 
Other features
36-bit page-size extensions+
64-bit debug store+
Advanced programmable interrupt controller+
CPL qualified debug store+
Debug store+
Debugging extensions+
Digital Thermal Sensor capability+-
L1 context ID-+
LAHF / SAHF support in 64-bit mode+-
Machine check architecture+
Machine check exception+
Memory-type range registers+
Model-specific registers+
Page attribute table+
Page global extension+
Page-size extensions (4MB pages)+
Pending break enable+
Perfmon and Debug capability+-
Physical address extensions+
Self-snoop+
Thermal monitor+
Thermal monitor 2+-
Thermal monitor and software controlled clock facilities+
Time stamp counter+
Virtual 8086-mode enhancements+
xTPR Update Control+
+ - feature is supported
- - feature is not supported
Features, not supported by all processors in the table, are not displayed

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