AMD Opteron 6278 vs Intel Xeon E5-2643

Comparative analysis of AMD Opteron 6278 and Intel Xeon E5-2643 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD Opteron 6278

  • CPU is newer: launch date 2 month(s) later
  • 12 more cores, run more applications at once: 16 vs 4
  • 8 more threads: 16 vs 8
  • 3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 16x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 60% 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
  • Around 41% better performance in PassMark - CPU mark: 13733 vs 9774
Specifications (specs)
Launch date May 2012 vs March 2012
Number of cores 16 vs 4
Number of threads 16 vs 8
L1 cache 768 KB vs 64 KB (per core)
L2 cache 16 MB vs 256 KB (per core)
L3 cache 16 MB vs 10240 KB (shared)
Max number of CPUs in a configuration 4 vs 2
Thermal Design Power (TDP) 115 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark 13733 vs 9774

Reasons to consider the Intel Xeon E5-2643

  • Around 6% higher clock speed: 3.50 GHz vs 3.3 GHz
  • Around 6% higher maximum core temperature: 73°C vs 69°C
  • Around 59% better performance in PassMark - Single thread mark: 1600 vs 1007
Specifications (specs)
Maximum frequency 3.50 GHz vs 3.3 GHz
Maximum core temperature 73°C vs 69°C
Benchmarks
PassMark - Single thread mark 1600 vs 1007

Compare benchmarks

CPU 1: AMD Opteron 6278
CPU 2: Intel Xeon E5-2643

PassMark - Single thread mark
CPU 1
CPU 2
1007
1600
PassMark - CPU mark
CPU 1
CPU 2
13733
9774
Name AMD Opteron 6278 Intel Xeon E5-2643
PassMark - Single thread mark 1007 1600
PassMark - CPU mark 13733 9774
Geekbench 4 - Single Core 638
Geekbench 4 - Multi-Core 2761

Compare specifications (specs)

AMD Opteron 6278 Intel Xeon E5-2643

Essentials

Architecture codename Interlagos Sandy Bridge EP
Family AMD Opteron
Launch date May 2012 March 2012
OPN Tray OS6278WKTGGGU
Place in performance rating 1858 1859
Series AMD Opteron 6200 Series Processor Intel® Xeon® Processor E5 Family
Vertical segment Server Server
Launch price (MSRP) $218
Price now $2,664
Processor Number E5-2643
Status Discontinued
Value for money (0-100) 0.93

Performance

64 bit support
Base frequency 2.4 GHz 3.30 GHz
Die size 316 mm 294 mm
L1 cache 768 KB 64 KB (per core)
L2 cache 16 MB 256 KB (per core)
L3 cache 16 MB 10240 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 69°C 73°C
Maximum frequency 3.3 GHz 3.50 GHz
Number of cores 16 4
Number of threads 16 8
Transistor count 2400 million 1270 million
Unlocked
Bus Speed 8 GT/s QPI
Number of QPI Links 2
VID voltage range 0.60V-1.35V

Memory

Supported memory frequency 2000 MHz
Supported memory types DDR3 DDR3 800/1066/1333/1600
ECC memory support
Max memory channels 4
Maximum memory bandwidth 51.2 GB/s
Maximum memory size 384 GB

Compatibility

Max number of CPUs in a configuration 4 2
Sockets supported G34 FCLGA2011
Thermal Design Power (TDP) 115 Watt 130 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 2S Only

Security & Reliability

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