AMD Athlon X2 7850 BE vs AMD Phenom II X4 940 BE

Comparative analysis of AMD Athlon X2 7850 BE and AMD Phenom II X4 940 BE processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Virtualization, Memory. Benchmark processor performance analysis: 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Athlon X2 7850 BE

  • CPU is newer: launch date 3 month(s) later
  • Around 32% lower typical power consumption: 95 Watt vs 125 Watt
  • 3.9x better performance in Geekbench 4 - Single Core: 1554 vs 397
  • 2x better performance in Geekbench 4 - Multi-Core: 2668 vs 1331
Specifications (specs)
Launch date April 2009 vs January 2009
Thermal Design Power (TDP) 95 Watt vs 125 Watt
Benchmarks
Geekbench 4 - Single Core 1554 vs 397
Geekbench 4 - Multi-Core 2668 vs 1331

Reasons to consider the AMD Phenom II X4 940 BE

  • 2 more cores, run more applications at once: 4 vs 2
  • Around 7% higher clock speed: 3 GHz vs 2.8 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 3x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.763 vs 1.611
  • 2.9x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 11.035 vs 3.841
  • 2.3x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.192 vs 0.083
  • 2.1x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.856 vs 1.833
Specifications (specs)
Number of cores 4 vs 2
Maximum frequency 3 GHz vs 2.8 GHz
Manufacturing process technology 45 nm vs 65 nm
L1 cache 128 KB (per core) vs 128 KB (per core)
L2 cache 512 KB (per core) vs 512 KB (per core)
L3 cache 6144 KB (shared) vs 2048 KB (shared)
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 3.763 vs 1.611
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 11.035 vs 3.841
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.192 vs 0.083
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.856 vs 1.833

Compare benchmarks

CPU 1: AMD Athlon X2 7850 BE
CPU 2: AMD Phenom II X4 940 BE

Geekbench 4 - Single Core
CPU 1
CPU 2
1554
397
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2668
1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
1.611
3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
3.841
11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.083
0.192
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
1.833
3.856
Name AMD Athlon X2 7850 BE AMD Phenom II X4 940 BE
Geekbench 4 - Single Core 1554 397
Geekbench 4 - Multi-Core 2668 1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.611 3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 3.841 11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.083 0.192
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.159
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.833 3.856
PassMark - Single thread mark 1213
PassMark - CPU mark 2358

Compare specifications (specs)

AMD Athlon X2 7850 BE AMD Phenom II X4 940 BE

Essentials

Architecture codename Kuma Deneb
Launch date April 2009 January 2009
Place in performance rating 2878 2867
Vertical segment Desktop Desktop

Performance

64 bit support
Die size 285 mm 258 mm
L1 cache 128 KB (per core) 128 KB (per core)
L2 cache 512 KB (per core) 512 KB (per core)
L3 cache 2048 KB (shared) 6144 KB (shared)
Manufacturing process technology 65 nm 45 nm
Maximum frequency 2.8 GHz 3 GHz
Number of cores 2 4
Transistor count 450 million 758 million
Unlocked

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported AM2+ AM3
Thermal Design Power (TDP) 95 Watt 125 Watt

Virtualization

AMD Virtualization (AMD-V™)

Memory

Supported memory types DDR3