AMD Phenom II X4 945 (125W) vs Intel Pentium D 945

Comparative analysis of AMD Phenom II X4 945 (125W) and Intel Pentium D 945 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD Phenom II X4 945 (125W)

  • CPU is newer: launch date 2 year(s) 9 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 18.3x more L1 cache, more data can be stored in the L1 cache for quick access later
Launch date April 2009 vs July 2006
Number of cores 4 vs 2
Manufacturing process technology 45 nm vs 65 nm
L1 cache 128 KB (per core) vs 28 KB

Reasons to consider the Intel Pentium D 945

  • Around 13% higher clock speed: 3.4 GHz vs 3 GHz
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 32% lower typical power consumption: 95 Watt vs 125 Watt
Maximum frequency 3.4 GHz vs 3 GHz
L2 cache 4096 KB vs 512 KB (per core)
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 95 Watt vs 125 Watt

Compare benchmarks

CPU 1: AMD Phenom II X4 945 (125W)
CPU 2: Intel Pentium D 945

Name AMD Phenom II X4 945 (125W) Intel Pentium D 945
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 3.576
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 14.5
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.212
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.394
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.125
Geekbench 4 - Single Core 220
Geekbench 4 - Multi-Core 389

Compare specifications (specs)

AMD Phenom II X4 945 (125W) Intel Pentium D 945

Essentials

Architecture codename Deneb Presler
Launch date April 2009 July 2006
Place in performance rating 3269 3270
Vertical segment Desktop Desktop
Processor Number 945
Series Legacy Intel® Pentium® Processor
Status Discontinued

Performance

64 bit support
Die size 258 mm 162 mm2
L1 cache 128 KB (per core) 28 KB
L2 cache 512 KB (per core) 4096 KB
L3 cache 6144 KB (shared)
Manufacturing process technology 45 nm 65 nm
Maximum frequency 3 GHz 3.4 GHz
Number of cores 4 2
Transistor count 758 million 376 million
Base frequency 3.40 GHz
Bus Speed 800 MHz FSB
Maximum core temperature 63.4°C
VID voltage range 1.200V-1.3375V

Memory

Supported memory types DDR3 DDR1, DDR2, DDR3

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported AM3 PLGA775
Thermal Design Power (TDP) 125 Watt 95 Watt
Low Halogen Options Available
Package Size 37.5mm x 37.5mm

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
Physical Address Extensions (PAE) 32-bit
Thermal Monitoring

Virtualization

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