AMD Phenom II X4 940 BE vs AMD Sempron X2 2100

Comparative analysis of AMD Phenom II X4 940 BE and AMD Sempron X2 2100 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. 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 - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the AMD Phenom II X4 940 BE

  • CPU is newer: launch date 10 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 4 vs 2
  • Around 67% higher clock speed: 3 GHz vs 1.8 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 4x 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
  • 2.2x better performance in PassMark - Single thread mark: 1213 vs 557
  • 2.5x better performance in PassMark - CPU mark: 2358 vs 936
Specifications (specs)
Launch date January 2009 vs March 2008
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Maximum frequency 3 GHz vs 1.8 GHz
Manufacturing process technology 45 nm vs 65 nm
L1 cache 128 KB (per core) vs 128 KB
L2 cache 512 KB (per core) vs 256 KB
Benchmarks
PassMark - Single thread mark 1213 vs 557
PassMark - CPU mark 2358 vs 936

Reasons to consider the AMD Sempron X2 2100

  • Around 92% lower typical power consumption: 65 Watt vs 125 Watt
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 65 Watt vs 125 Watt

Compare benchmarks

CPU 1: AMD Phenom II X4 940 BE
CPU 2: AMD Sempron X2 2100

PassMark - Single thread mark
CPU 1
CPU 2
1213
557
PassMark - CPU mark
CPU 1
CPU 2
2358
936
Name AMD Phenom II X4 940 BE AMD Sempron X2 2100
PassMark - Single thread mark 1213 557
PassMark - CPU mark 2358 936
Geekbench 4 - Single Core 397
Geekbench 4 - Multi-Core 1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.192
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.856

Compare specifications (specs)

AMD Phenom II X4 940 BE AMD Sempron X2 2100

Essentials

Architecture codename Deneb Brisbane
Launch date January 2009 March 2008
Place in performance rating 2867 2880
Vertical segment Desktop Desktop

Performance

64 bit support
Die size 258 mm 118 mm
L1 cache 128 KB (per core) 128 KB
L2 cache 512 KB (per core) 256 KB
L3 cache 6144 KB (shared)
Manufacturing process technology 45 nm 65 nm
Maximum frequency 3 GHz 1.8 GHz
Number of cores 4 2
Transistor count 758 million 221 million
Unlocked

Memory

Supported memory types DDR3

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported AM3 AM2
Thermal Design Power (TDP) 125 Watt 65 Watt