Intel Pentium G620 vs Intel Core 2 Quad Q8400

Comparative analysis of Intel Pentium G620 and Intel Core 2 Quad Q8400 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 - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

 

Differences

Reasons to consider the Intel Pentium G620

  • CPU is newer: launch date 2 year(s) 0 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
  • Around 3% better performance in PassMark - Single thread mark: 1178 vs 1142
  • Around 27% better performance in Geekbench 4 - Single Core: 458 vs 362
  • Around 82% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.11 vs 0.609
  • Around 30% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.661 vs 20.494
  • Around 2% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.174 vs 0.171
Specifications (specs)
Launch date May 2011 vs April 2009
Manufacturing process technology 32 nm vs 45 nm
Thermal Design Power (TDP) 65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1178 vs 1142
Geekbench 4 - Single Core 458 vs 362
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.11 vs 0.609
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 26.661 vs 20.494
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.174 vs 0.171

Reasons to consider the Intel Core 2 Quad Q8400

  • 2 more cores, run more applications at once: 4 vs 2
  • Around 3% higher clock speed: 2.67 GHz vs 2.6 GHz
  • Around 3% higher maximum core temperature: 71.4°C vs 69.1°C
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 8x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 71% better performance in PassMark - CPU mark: 2068 vs 1208
  • Around 37% better performance in Geekbench 4 - Multi-Core: 1139 vs 832
  • 3.1x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.93 vs 1.599
  • Around 68% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.4 vs 0.831
Specifications (specs)
Number of cores 4 vs 2
Maximum frequency 2.67 GHz vs 2.6 GHz
Maximum core temperature 71.4°C vs 69.1°C
L1 cache 256 KB vs 64 KB (per core)
L2 cache 4096 KB vs 256 KB (per core)
Benchmarks
PassMark - CPU mark 2068 vs 1208
Geekbench 4 - Multi-Core 1139 vs 832
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.93 vs 1.599
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.4 vs 0.831

Compare benchmarks

CPU 1: Intel Pentium G620
CPU 2: Intel Core 2 Quad Q8400

PassMark - Single thread mark
CPU 1
CPU 2
1178
1142
PassMark - CPU mark
CPU 1
CPU 2
1208
2068
Geekbench 4 - Single Core
CPU 1
CPU 2
458
362
Geekbench 4 - Multi-Core
CPU 1
CPU 2
832
1139
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
1.11
0.609
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
26.661
20.494
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
1.599
4.93
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.174
0.171
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
0.831
1.4
Name Intel Pentium G620 Intel Core 2 Quad Q8400
PassMark - Single thread mark 1178 1142
PassMark - CPU mark 1208 2068
Geekbench 4 - Single Core 458 362
Geekbench 4 - Multi-Core 832 1139
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.11 0.609
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 26.661 20.494
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.599 4.93
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.174 0.171
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.831 1.4

Compare specifications (specs)

Intel Pentium G620 Intel Core 2 Quad Q8400

Essentials

Architecture codename Sandy Bridge Yorkfield
Launch date May 2011 April 2009
Launch price (MSRP) $60
Place in performance rating 3003 3008
Price now $24.99 $99.50
Processor Number G620 Q8400
Series Legacy Intel® Pentium® Processor Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 27.01 9.38
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.60 GHz 2.66 GHz
Bus Speed 5 GT/s DMI 1333 MHz FSB
Die size 131 mm 164 mm2
L1 cache 64 KB (per core) 256 KB
L2 cache 256 KB (per core) 4096 KB
L3 cache 3072 KB (shared)
Manufacturing process technology 32 nm 45 nm
Maximum core temperature 69.1°C 71.4°C
Maximum frequency 2.6 GHz 2.67 GHz
Number of cores 2 4
Number of threads 2
Transistor count 504 million 456 million
Maximum case temperature (TCase) 71 °C
VID voltage range 0.8500V-1.3625V

Memory

Max memory channels 2
Maximum memory bandwidth 17 GB/s
Maximum memory size 32 GB
Supported memory types DDR3 1066 DDR1, DDR2, DDR3

Graphics

Graphics base frequency 850 MHz
Graphics max dynamic frequency 1.10 GHz
Graphics max frequency 1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel HD Graphics

Graphics interfaces

Number of displays supported 2
Wireless Display (WiDi) support

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 FCLGA1155 LGA775
Thermal Design Power (TDP) 65 Watt 95 Watt

Peripherals

PCI Express revision 2.0

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
FSB parity
Intel® Demand Based Switching

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)