AMD Opteron 6281 vs AMD Opteron 6168

Comparative analysis of AMD Opteron 6281 and AMD Opteron 6168 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Opteron 6281

  • 4 more cores, run more applications at once: 16 vs 12
  • Around 68% higher clock speed: 3.2 GHz vs 1.9 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • Around 34% better performance in PassMark - Single thread mark: 1129 vs 845
Specifications (specs)
Number of cores 16 vs 12
Maximum frequency 3.2 GHz vs 1.9 GHz
Manufacturing process technology 32 nm vs 45 nm
Max number of CPUs in a configuration 4 vs 2
Benchmarks
PassMark - Single thread mark 1129 vs 845

Reasons to consider the AMD Opteron 6168

  • 4.5x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 13% lower typical power consumption: 115 Watt vs 130 Watt
  • 2.2x better performance in PassMark - CPU mark: 15745 vs 7279
Specifications (specs)
L2 cache 6144 KB (per core) vs 16 MB
L3 cache 12288 KB vs 8 MB
Thermal Design Power (TDP) 115 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark 15745 vs 7279

Compare benchmarks

CPU 1: AMD Opteron 6281
CPU 2: AMD Opteron 6168

PassMark - Single thread mark
CPU 1
CPU 2
1129
845
PassMark - CPU mark
CPU 1
CPU 2
7279
15745
Name AMD Opteron 6281 AMD Opteron 6168
PassMark - Single thread mark 1129 845
PassMark - CPU mark 7279 15745

Compare specifications (specs)

AMD Opteron 6281 AMD Opteron 6168

Essentials

Architecture codename Bulldozer Magny-Cours
Family AMD Opteron
OPN Tray OS6281YJTGGGU
Place in performance rating 1939 1957
Series AMD Opteron 6200 Series Processor
Value for money (0-100) 33.18
Vertical segment Server Server
Launch date March 2010

Performance

64 bit support
Base frequency 2.5 GHz
L1 cache 768 KB 768 KB (shared)
L2 cache 16 MB 6144 KB (per core)
L3 cache 8 MB 12288 KB
Manufacturing process technology 32 nm 45 nm
Maximum frequency 3.2 GHz 1.9 GHz
Number of cores 16 12
Number of threads 16
Unlocked
Die size 346 mm
Maximum case temperature (TCase) 69 °C
Transistor count 1800 million

Memory

Max memory channels 2
Supported memory frequency 2000 MHz
Supported memory types DDR3 DDR3

Compatibility

Max number of CPUs in a configuration 4 2
Sockets supported G34 G34
Thermal Design Power (TDP) 130 Watt 115 Watt

Advanced Technologies

Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions

Virtualization

AMD Virtualization (AMD-V™)