Intel Core 2 Duo E8400 vs Intel Pentium III 1400

Comparative analysis of Intel Core 2 Duo E8400 and Intel Pentium III 1400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Core 2 Duo E8400

  • CPU is newer: launch date 6 year(s) 1 month(s) later
  • 1 more cores, run more applications at once: 2 vs 1
  • Around 114% higher clock speed: 3 GHz vs 1.4 GHz
  • Around 5% higher maximum core temperature: 72.4°C vs 69°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
  • 16x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 24x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 4.5x better performance in PassMark - Single thread mark: 1234 vs 272
  • 6.3x better performance in PassMark - CPU mark: 1210 vs 193
Specifications (specs)
Launch date January 2008 vs December 2001
Number of cores 2 vs 1
Maximum frequency 3 GHz vs 1.4 GHz
Maximum core temperature 72.4°C vs 69°C
Manufacturing process technology 45 nm vs 130 nm
L1 cache 128 KB vs 8 KB
L2 cache 6144 KB vs 256 KB
Benchmarks
PassMark - Single thread mark 1234 vs 272
PassMark - CPU mark 1210 vs 193

Reasons to consider the Intel Pentium III 1400

  • 2.1x lower typical power consumption: 31.2 Watt vs 65 Watt
Thermal Design Power (TDP) 31.2 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core 2 Duo E8400
CPU 2: Intel Pentium III 1400

PassMark - Single thread mark
CPU 1
CPU 2
1234
272
PassMark - CPU mark
CPU 1
CPU 2
1210
193
Name Intel Core 2 Duo E8400 Intel Pentium III 1400
PassMark - Single thread mark 1234 272
PassMark - CPU mark 1210 193
Geekbench 4 - Single Core 422
Geekbench 4 - Multi-Core 738
3DMark Fire Strike - Physics Score 2400
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2.408

Compare specifications (specs)

Intel Core 2 Duo E8400 Intel Pentium III 1400

Essentials

Architecture codename Wolfdale Tualatin
Launch date January 2008 December 2001
Place in performance rating 2981 3268
Price now $129.95
Processor Number E8400
Series Legacy Intel® Core™ Processors Legacy Intel® Pentium® Processor
Status Discontinued Discontinued
Value for money (0-100) 4.87
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.00 GHz 1.40 GHz
Bus Speed 1333 MHz FSB 133 MHz FSB
Die size 107 mm2 80 mm2
L1 cache 128 KB 8 KB
L2 cache 6144 KB 256 KB
Manufacturing process technology 45 nm 130 nm
Maximum case temperature (TCase) 72 °C 69 °C
Maximum core temperature 72.4°C 69°C
Maximum frequency 3 GHz 1.4 GHz
Number of cores 2 1
Transistor count 410 million 44 million
VID voltage range 0.8500V-1.3625V 1.5V

Memory

Supported memory types DDR1, DDR2, DDR3

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm
Sockets supported LGA775 PPGA370
Thermal Design Power (TDP) 65 Watt 31.2 Watt

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)