AMD Opteron 6281 vs Intel Xeon E5-4620

Comparative analysis of AMD Opteron 6281 and Intel Xeon E5-4620 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Opteron 6281

  • 8 more cores, run more applications at once: 16 vs 8
  • Around 23% higher clock speed: 3.2 GHz vs 2.60 GHz
  • Around 50% 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
  • Around 16% better performance in PassMark - Single thread mark: 1129 vs 974
Specifications (specs)
Number of cores 16 vs 8
Maximum frequency 3.2 GHz vs 2.60 GHz
L1 cache 768 KB vs 64 KB (per core)
L2 cache 16 MB vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark 1129 vs 974

Reasons to consider the Intel Xeon E5-4620

  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 37% lower typical power consumption: 95 Watt vs 130 Watt
  • Around 58% better performance in PassMark - CPU mark: 11474 vs 7279
Specifications (specs)
L3 cache 16384 KB (shared) vs 8 MB
Thermal Design Power (TDP) 95 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark 11474 vs 7279

Compare benchmarks

CPU 1: AMD Opteron 6281
CPU 2: Intel Xeon E5-4620

PassMark - Single thread mark
CPU 1
CPU 2
1129
974
PassMark - CPU mark
CPU 1
CPU 2
7279
11474
Name AMD Opteron 6281 Intel Xeon E5-4620
PassMark - Single thread mark 1129 974
PassMark - CPU mark 7279 11474

Compare specifications (specs)

AMD Opteron 6281 Intel Xeon E5-4620

Essentials

Architecture codename Bulldozer Sandy Bridge EP
Family AMD Opteron
OPN Tray OS6281YJTGGGU
Place in performance rating 1939 1955
Series AMD Opteron 6200 Series Processor Intel® Xeon® Processor E5 Family
Value for money (0-100) 33.18 12.66
Vertical segment Server Server
Launch date May 2012
Launch price (MSRP) $400
Price now $189
Processor Number E5-4620
Status Discontinued

Performance

64 bit support
Base frequency 2.5 GHz 2.20 GHz
L1 cache 768 KB 64 KB (per core)
L2 cache 16 MB 256 KB (per core)
L3 cache 8 MB 16384 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum frequency 3.2 GHz 2.60 GHz
Number of cores 16 8
Number of threads 16 16
Unlocked
Bus Speed 7.2 GT/s QPI
Die size 435 mm
Number of QPI Links 2
Transistor count 2270 million
VID voltage range 0.6V-1.35V

Memory

Max memory channels 2 4
Supported memory frequency 2000 MHz
Supported memory types DDR3 DDR3 800/1066/1333
ECC memory support
Maximum memory bandwidth 42.6 GB/s
Maximum memory size 384 GB

Compatibility

Max number of CPUs in a configuration 4 4
Sockets supported G34 FCLGA2011
Thermal Design Power (TDP) 130 Watt 95 Watt
Low Halogen Options Available
Package Size 52.5mm x 45.0mm

Advanced Technologies

Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX
Intel 64
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring

Virtualization

AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)

Peripherals

Max number of PCIe lanes 40
PCI Express revision 3.0
Scalability 4S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)