Intel Core 2 Quad Q9450 vs Intel Core 2 Duo E8400

Comparative analysis of Intel Core 2 Quad Q9450 and Intel Core 2 Duo E8400 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core 2 Quad Q9450

  • CPU is newer: launch date 1 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 81% better performance in PassMark - CPU mark: 2186 vs 1206
  • Around 79% better performance in Geekbench 4 - Multi-Core: 1322 vs 738
  • Around 74% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.573 vs 0.33
  • Around 22% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 31.997 vs 26.311
  • Around 79% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.177 vs 0.099
  • Around 70% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.154 vs 0.68
  • Around 76% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.249 vs 2.408
Specifications (specs)
Launch date March 2008 vs January 2008
Number of cores 4 vs 2
L1 cache 256 KB vs 128 KB
L2 cache 12288 KB vs 6144 KB
Benchmarks
PassMark - CPU mark 2186 vs 1206
Geekbench 4 - Multi-Core 1322 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.573 vs 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 31.997 vs 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.177 vs 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.154 vs 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.249 vs 2.408

Reasons to consider the Intel Core 2 Duo E8400

  • Around 12% higher clock speed: 3 GHz vs 2.67 GHz
  • Around 1% higher maximum core temperature: 72.4°C vs 71.4°C
  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
  • Around 10% better performance in PassMark - Single thread mark: 1237 vs 1128
  • Around 5% better performance in Geekbench 4 - Single Core: 422 vs 403
Specifications (specs)
Maximum frequency 3 GHz vs 2.67 GHz
Maximum core temperature 72.4°C vs 71.4°C
Thermal Design Power (TDP) 65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1237 vs 1128
Geekbench 4 - Single Core 422 vs 403

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9450
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark
CPU 1
CPU 2
1128
1237
PassMark - CPU mark
CPU 1
CPU 2
2186
1206
Geekbench 4 - Single Core
CPU 1
CPU 2
403
422
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1322
738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
0.573
0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
31.997
26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.177
0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
1.154
0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
4.249
2.408
Name Intel Core 2 Quad Q9450 Intel Core 2 Duo E8400
PassMark - Single thread mark 1128 1237
PassMark - CPU mark 2186 1206
Geekbench 4 - Single Core 403 422
Geekbench 4 - Multi-Core 1322 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.573 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 31.997 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.177 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.154 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.249 2.408
3DMark Fire Strike - Physics Score 2400

Compare specifications (specs)

Intel Core 2 Quad Q9450 Intel Core 2 Duo E8400

Essentials

Architecture codename Yorkfield Wolfdale
Launch date March 2008 January 2008
Place in performance rating 2972 2973
Price now $335 $129.95
Processor Number Q9450 E8400
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 3.31 4.87
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.66 GHz 3.00 GHz
Bus Speed 1333 MHz FSB 1333 MHz FSB
Die size 214 mm2 107 mm2
L1 cache 256 KB 128 KB
L2 cache 12288 KB 6144 KB
Manufacturing process technology 45 nm 45 nm
Maximum case temperature (TCase) 71 °C 72 °C
Maximum core temperature 71.4°C 72.4°C
Maximum frequency 2.67 GHz 3 GHz
Number of cores 4 2
Transistor count 820 million 410 million
VID voltage range 0.8500V-1.3625V 0.8500V-1.3625V

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 LGA775
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)
Intel® Virtualization Technology for Directed I/O (VT-d)