Intel Core 2 Quad Q8400 vs Intel Core 2 Duo E6320

Comparative analysis of Intel Core 2 Quad Q8400 and Intel Core 2 Duo E6320 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

 

Differences

Reasons to consider the Intel Core 2 Quad Q8400

  • CPU is newer: launch date 2 year(s) 0 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • Around 44% higher clock speed: 2.67 GHz vs 1.86 GHz
  • Around 19% higher maximum core temperature: 71.4°C vs 60.1°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 60% better performance in PassMark - Single thread mark: 1142 vs 712
  • 2.9x better performance in PassMark - CPU mark: 2068 vs 717
  • Around 39% better performance in Geekbench 4 - Single Core: 362 vs 261
  • 2.5x better performance in Geekbench 4 - Multi-Core: 1139 vs 451
Specifications (specs)
Launch date April 2009 vs April 2007
Number of cores 4 vs 2
Maximum frequency 2.67 GHz vs 1.86 GHz
Maximum core temperature 71.4°C vs 60.1°C
Manufacturing process technology 45 nm vs 65 nm
L1 cache 256 KB vs 64 KB
Benchmarks
PassMark - Single thread mark 1142 vs 712
PassMark - CPU mark 2068 vs 717
Geekbench 4 - Single Core 362 vs 261
Geekbench 4 - Multi-Core 1139 vs 451

Reasons to consider the Intel Core 2 Duo E6320

  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Thermal Design Power (TDP) 65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q8400
CPU 2: Intel Core 2 Duo E6320

PassMark - Single thread mark
CPU 1
CPU 2
1142
712
PassMark - CPU mark
CPU 1
CPU 2
2068
717
Geekbench 4 - Single Core
CPU 1
CPU 2
362
261
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1139
451
Name Intel Core 2 Quad Q8400 Intel Core 2 Duo E6320
PassMark - Single thread mark 1142 712
PassMark - CPU mark 2068 717
Geekbench 4 - Single Core 362 261
Geekbench 4 - Multi-Core 1139 451
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.609
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 20.494
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.93
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.171

Compare specifications (specs)

Intel Core 2 Quad Q8400 Intel Core 2 Duo E6320

Essentials

Architecture codename Yorkfield Conroe
Launch date April 2009 April 2007
Place in performance rating 3008 2993
Price now $99.50 $49.99
Processor Number Q8400 E6320
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 9.38 6.97
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.66 GHz 1.86 GHz
Bus Speed 1333 MHz FSB 1066 MHz FSB
Die size 164 mm2 143 mm2
L1 cache 256 KB 64 KB
L2 cache 4096 KB 4096 KB
Manufacturing process technology 45 nm 65 nm
Maximum case temperature (TCase) 71 °C
Maximum core temperature 71.4°C 60.1°C
Maximum frequency 2.67 GHz 1.86 GHz
Number of cores 4 2
Transistor count 456 million 291 million
VID voltage range 0.8500V-1.3625V 0.8500V-1.5V

Memory

Supported memory types DDR1, DDR2, DDR3 DDR1, DDR2, DDR3

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 37.5mm x 37.5mm
Sockets supported LGA775 PLGA775
Thermal Design Power (TDP) 95 Watt 65 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)