Intel Core 2 Quad Q9550 vs Intel Core 2 Duo E8400

Comparative analysis of Intel Core 2 Quad Q9550 and Intel Core 2 Duo E8400 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. 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 Quad Q9550

  • 2 more cores, run more applications at once: 4 vs 2
  • Around 95% better performance in PassMark - CPU mark: 2340 vs 1200
  • Around 76% better performance in Geekbench 4 - Multi-Core: 1299 vs 738
  • Around 85% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.612 vs 0.33
  • Around 17% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 30.904 vs 26.311
  • Around 77% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.175 vs 0.099
  • Around 85% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.258 vs 0.68
  • Around 86% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.476 vs 2.408
Specifications (specs)
Number of cores 4 vs 2
Benchmarks
PassMark - CPU mark 2340 vs 1200
Geekbench 4 - Multi-Core 1299 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.612 vs 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 30.904 vs 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.175 vs 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.258 vs 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.476 vs 2.408

Reasons to consider the Intel Core 2 Duo E8400

  • 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 1% better performance in PassMark - Single thread mark: 1238 vs 1221
  • Around 2% better performance in Geekbench 4 - Single Core: 422 vs 412
Specifications (specs)
Maximum core temperature 72.4°C vs 71.4°C
Thermal Design Power (TDP) 65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1238 vs 1221
Geekbench 4 - Single Core 422 vs 412

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9550
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark
CPU 1
CPU 2
1221
1238
PassMark - CPU mark
CPU 1
CPU 2
2340
1200
Geekbench 4 - Single Core
CPU 1
CPU 2
412
422
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1299
738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
0.612
0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
30.904
26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.175
0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
1.258
0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
4.476
2.408
Name Intel Core 2 Quad Q9550 Intel Core 2 Duo E8400
PassMark - Single thread mark 1221 1238
PassMark - CPU mark 2340 1200
Geekbench 4 - Single Core 412 422
Geekbench 4 - Multi-Core 1299 738
3DMark Fire Strike - Physics Score 0 2400
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.612 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 30.904 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.175 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.258 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.476 2.408

Compare specifications (specs)

Intel Core 2 Quad Q9550 Intel Core 2 Duo E8400

Essentials

Architecture codename Yorkfield Wolfdale
Launch date Q1'08 January 2008
Place in performance rating 2929 2939
Processor Number Q9550 E8400
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Vertical segment Desktop Desktop
Price now $129.95
Value for money (0-100) 4.87

Performance

64 bit support
Base frequency 2.83 GHz 3.00 GHz
Bus Speed 1333 MHz FSB 1333 MHz FSB
Die size 214 mm2 107 mm2
Manufacturing process technology 45 nm 45 nm
Maximum core temperature 71.4°C 72.4°C
Number of cores 4 2
Transistor count 820 million 410 million
VID voltage range 0.8500V-1.3625V 0.8500V-1.3625V
L1 cache 128 KB
L2 cache 6144 KB
Maximum case temperature (TCase) 72 °C
Maximum frequency 3 GHz

Compatibility

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

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)

Memory

Supported memory types DDR1, DDR2, DDR3