AMD Phenom II X4 840 vs AMD Phenom II X4 940 BE

Comparative analysis of AMD Phenom II X4 840 and AMD Phenom II X4 940 BE 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 840

  • CPU is newer: launch date 2 year(s) 0 month(s) later
  • Around 7% higher clock speed: 3.2 GHz vs 3 GHz
  • Around 32% lower typical power consumption: 95 Watt vs 125 Watt
  • Around 7% better performance in PassMark - Single thread mark: 1298 vs 1213
  • Around 2% better performance in PassMark - CPU mark: 2414 vs 2358
  • Around 1% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.91 vs 3.856
Specifications (specs)
Launch date January 2011 vs January 2009
Maximum frequency 3.2 GHz vs 3 GHz
Thermal Design Power (TDP) 95 Watt vs 125 Watt
Benchmarks
PassMark - Single thread mark 1298 vs 1213
PassMark - CPU mark 2414 vs 2358
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.91 vs 3.856

Reasons to consider the AMD Phenom II X4 940 BE

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 2% better performance in Geekbench 4 - Single Core: 397 vs 391
  • Around 29% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.763 vs 2.92
  • Around 24% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 11.035 vs 8.884
  • Around 21% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.192 vs 0.159
Specifications (specs)
Unlocked Unlocked vs Locked
Benchmarks
Geekbench 4 - Single Core 397 vs 391
Geekbench 4 - Multi-Core 1331 vs 1325
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 3.763 vs 2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 11.035 vs 8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.192 vs 0.159

Compare benchmarks

CPU 1: AMD Phenom II X4 840
CPU 2: AMD Phenom II X4 940 BE

PassMark - Single thread mark
CPU 1
CPU 2
1298
1213
PassMark - CPU mark
CPU 1
CPU 2
2414
2358
Geekbench 4 - Single Core
CPU 1
CPU 2
391
397
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1325
1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
2.92
3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
8.884
11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.159
0.192
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
3.91
3.856
Name AMD Phenom II X4 840 AMD Phenom II X4 940 BE
PassMark - Single thread mark 1298 1213
PassMark - CPU mark 2414 2358
Geekbench 4 - Single Core 391 397
Geekbench 4 - Multi-Core 1325 1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.92 3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 8.884 11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.159 0.192
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.91 3.856

Compare specifications (specs)

AMD Phenom II X4 840 AMD Phenom II X4 940 BE

Essentials

Architecture codename Propus Deneb
Family AMD Phenom
Launch date January 2011 January 2009
Launch price (MSRP) $90
OPN PIB HDX840WFGMBOX
OPN Tray HDX840WFK42GM
Place in performance rating 2861 2867
Price now $89.95
Series AMD Phenom II X4
Value for money (0-100) 11.50
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.2 GHz
Die size 169 mm 258 mm
L1 cache 512 KB 128 KB (per core)
L2 cache 2 MB 512 KB (per core)
Manufacturing process technology 45 nm 45 nm
Maximum core temperature 71°C
Maximum frequency 3.2 GHz 3 GHz
Number of cores 4 4
Number of threads 4
Transistor count 300 million 758 million
Unlocked
L3 cache 6144 KB (shared)

Memory

Supported memory types DDR3 DDR3

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported AM3 AM3
Thermal Design Power (TDP) 95 Watt 125 Watt