Intel Xeon E5-2665 vs AMD Opteron 6276

Comparative analysis of Intel Xeon E5-2665 and AMD Opteron 6276 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Xeon E5-2665

  • CPU is newer: launch date 3 month(s) later
  • Around 19% higher maximum core temperature: 81.8°C vs 69°C
  • Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 48% better performance in PassMark - Single thread mark: 1355 vs 916
  • Around 54% better performance in PassMark - CPU mark: 14117 vs 9168
Specifications (specs)
Launch date March 2012 vs November 2011
Maximum core temperature 81.8°C vs 69°C
L3 cache 20480 KB (shared) vs 16 MB
Benchmarks
PassMark - Single thread mark 1355 vs 916
PassMark - CPU mark 14117 vs 9168

Reasons to consider the AMD Opteron 6276

  • 8 more cores, run more applications at once: 16 vs 8
  • Around 3% higher clock speed: 3.2 GHz vs 3.10 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
  • 2.9x better performance in Geekbench 4 - Single Core: 1688 vs 573
  • Around 81% better performance in Geekbench 4 - Multi-Core: 8409 vs 4647
Specifications (specs)
Number of cores 16 vs 8
Maximum frequency 3.2 GHz vs 3.10 GHz
L1 cache 768 KB vs 64 KB (per core)
L2 cache 16 MB vs 256 KB (per core)
Max number of CPUs in a configuration 4 vs 2
Benchmarks
Geekbench 4 - Single Core 1688 vs 573
Geekbench 4 - Multi-Core 8409 vs 4647

Compare benchmarks

CPU 1: Intel Xeon E5-2665
CPU 2: AMD Opteron 6276

PassMark - Single thread mark
CPU 1
CPU 2
1355
916
PassMark - CPU mark
CPU 1
CPU 2
14117
9168
Geekbench 4 - Single Core
CPU 1
CPU 2
573
1688
Geekbench 4 - Multi-Core
CPU 1
CPU 2
4647
8409
Name Intel Xeon E5-2665 AMD Opteron 6276
PassMark - Single thread mark 1355 916
PassMark - CPU mark 14117 9168
Geekbench 4 - Single Core 573 1688
Geekbench 4 - Multi-Core 4647 8409
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 15.75
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 39.164
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.93
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.806
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 18.974

Compare specifications (specs)

Intel Xeon E5-2665 AMD Opteron 6276

Essentials

Architecture codename Sandy Bridge EP Interlagos
Launch date March 2012 November 2011
Launch price (MSRP) $142 $119
Place in performance rating 1817 1829
Price now $141.50 $79.99
Processor Number E5-2665
Series Intel® Xeon® Processor E5 Family AMD Opteron 6200 Series Processor
Status Discontinued
Value for money (0-100) 24.14 33.18
Vertical segment Server Server
Family AMD Opteron
OPN Tray OS6276WKTGGGU

Performance

64 bit support
Base frequency 2.40 GHz 2.3 GHz
Bus Speed 8 GT/s QPI
Die size 435 mm 316 mm
L1 cache 64 KB (per core) 768 KB
L2 cache 256 KB (per core) 16 MB
L3 cache 20480 KB (shared) 16 MB
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 81.8°C 69°C
Maximum frequency 3.10 GHz 3.2 GHz
Number of cores 8 16
Number of QPI Links 2
Number of threads 16 16
Transistor count 2270 million 2400 million
VID voltage range 0.60V-1.35V
Unlocked

Memory

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

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 4
Package Size 52.5mm x 45.0mm
Sockets supported FCLGA2011 G34
Thermal Design Power (TDP) 115 Watt 115 Watt

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)

Advanced Technologies

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

Virtualization

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