Intel Core 2 Quad Q8400 processor review

Intel Core 2 Quad Q8400

Core 2 Quad Q8400 processor released by Intel; release date: April 2009. The processor is designed for desktop-computers and based on Yorkfield microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4. Maximum CPU clock speed - 2.67 GHz. Maximum operating temperature - 71.4°C. Manufacturing process technology - 45 nm. Cache size: L1 - 256 KB, L2 - 4096 KB.

Supported memory types: DDR1, DDR2, DDR3.

Supported socket types: LGA775. Maximum number of processors in a configuration - 1. Power consumption (TDP): 95 Watt.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
4870
1142
PassMark
CPU mark
Top 1 CPU
This CPU
156834
2064
Geekbench 4
Single Core
Top 1 CPU
This CPU
5311
362
Geekbench 4
Multi-Core
Top 1 CPU
This CPU
36691
1139
CompuBench 1.5 Desktop
Face Detection
Top 1 CPU
This CPU
97.640 mPixels/s
0.609 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 CPU
This CPU
741.453 Frames/s
20.494 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 CPU
This CPU
49.002 Frames/s
1.400 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 CPU
This CPU
218.231 mHash/s
4.930 mHash/s
CompuBench 1.5 Desktop
T-Rex
Top 1 CPU
This CPU
4.623 Frames/s
0.171 Frames/s
Name Value
PassMark - Single thread mark 1142
PassMark - CPU mark 2064
Geekbench 4 - Single Core 362
Geekbench 4 - Multi-Core 1139
CompuBench 1.5 Desktop - Face Detection 0.609 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 20.494 Frames/s
CompuBench 1.5 Desktop - Video Composition 1.400 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 4.930 mHash/s
CompuBench 1.5 Desktop - T-Rex 0.171 Frames/s

Specifications (specs)

Essentials

Architecture codename Yorkfield
Launch date April 2009
Place in performance rating 3007
Price now $99.50
Processor Number Q8400
Series Legacy Intel® Core™ Processors
Status Discontinued
Value for money (0-100) 9.38
Vertical segment Desktop

Performance

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

Memory

Supported memory types DDR1, DDR2, DDR3

Compatibility

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