Intel Celeron M U3400 vs Intel Core 2 Duo P8400

Comparative analysis of Intel Celeron M U3400 and Intel Core 2 Duo P8400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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 Celeron M U3400

  • CPU is newer: launch date 1 year(s) 10 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • Around 39% lower typical power consumption: 18 Watt vs 25 Watt
Launch date 24 May 2010 vs 15 July 2008
Manufacturing process technology 32 nm vs 45 nm
Thermal Design Power (TDP) 18 Watt vs 25 Watt

Reasons to consider the Intel Core 2 Duo P8400

  • Around 113% higher clock speed: 2.26 GHz vs 1.06 GHz
  • 6x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2x better performance in PassMark - Single thread mark: 920 vs 456
  • Around 65% better performance in PassMark - CPU mark: 849 vs 516
  • Around 88% better performance in Geekbench 4 - Single Core: 302 vs 161
  • Around 68% better performance in Geekbench 4 - Multi-Core: 517 vs 307
Specifications (specs)
Maximum frequency 2.26 GHz vs 1.06 GHz
L2 cache 3072 KB vs 512 KB
Benchmarks
PassMark - Single thread mark 920 vs 456
PassMark - CPU mark 849 vs 516
Geekbench 4 - Single Core 302 vs 161
Geekbench 4 - Multi-Core 517 vs 307

Compare benchmarks

CPU 1: Intel Celeron M U3400
CPU 2: Intel Core 2 Duo P8400

PassMark - Single thread mark
CPU 1
CPU 2
456
920
PassMark - CPU mark
CPU 1
CPU 2
516
849
Geekbench 4 - Single Core
CPU 1
CPU 2
161
302
Geekbench 4 - Multi-Core
CPU 1
CPU 2
307
517
Name Intel Celeron M U3400 Intel Core 2 Duo P8400
PassMark - Single thread mark 456 920
PassMark - CPU mark 516 849
Geekbench 4 - Single Core 161 302
Geekbench 4 - Multi-Core 307 517
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.23
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 13.234
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.049
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.446
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.273

Compare specifications (specs)

Intel Celeron M U3400 Intel Core 2 Duo P8400

Essentials

Architecture codename Arrandale Penryn
Launch date 24 May 2010 15 July 2008
Place in performance rating 3217 3212
Processor Number U3400 P8400
Series Legacy Intel® Celeron® Processor Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Vertical segment Mobile Mobile
Launch price (MSRP) $209
Price now $297.01
Value for money (0-100) 1.44

Performance

64 bit support
Base frequency 1.06 GHz 2.26 GHz
Bus Speed 2.5 GT/s DMI 1066 MHz FSB
Die size 81 mm2 107 mm2
Front-side bus (FSB) 2500 MHz 1066 MHz
L2 cache 512 KB 3072 KB
L3 cache 2048 KB
Manufacturing process technology 32 nm 45 nm
Maximum core temperature 105°C 105°C
Maximum frequency 1.06 GHz 2.26 GHz
Number of cores 2 2
Number of threads 2 2
Transistor count 382 million 410 million
L1 cache 128 KB
VID voltage range 1.050V-1.150V

Memory

Max memory channels 2
Maximum memory bandwidth 12.8 GB/s
Maximum memory size 8 GB
Supported memory types DDR3 800

Graphics

Graphics base frequency 166 MHz
Graphics max dynamic frequency 500 MHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics Intel HD Graphics

Graphics interfaces

Number of displays supported 2

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size BGA 34mm x 28mm 35 mm x 35mm
Sockets supported BGA1288 PGA478, BGA479
Thermal Design Power (TDP) 18 Watt 25 Watt

Peripherals

Max number of PCIe lanes 16
PCI Express revision 2.0
PCIe configurations 1x16

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE) 36-bit
Thermal Monitoring
FSB parity
Intel® Demand Based Switching

Virtualization

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

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