AMD Opteron 6276 vs Intel Xeon E5-2420 v2
Comparing Opteron 6276 and Xeon E5-2420 v2 processor market type (desktop or notebook), architecture and sales start time and price.
Opteron 6276 and Xeon E5-2420 v2 quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Opteron 6276 and Xeon E5-2420 v2 performance, but for precise assessment you have to consider their test results.
Number of cores
Number of threads
64 KB (per core)
256 KB (per core)
8 MB (per die)
15 MB (shared)
Manufacturing process technology
Maximum core temperature
64 bit support
VID voltage range
Information on Opteron 6276 and Xeon E5-2420 v2 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
Power consumption (TDP)
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6276 and Xeon E5-2420 v2. You'll probably need this information if you require some particular technology.
Instruction set extensions
Enhanced SpeedStep (EIST)
Flex Memory Access
Demand Based Switching
Opteron 6276 and Xeon E5-2420 v2 technologies aimed at raising security, for example, by protecting against hacks.
Virtual machine speed-up technologies supported by Opteron 6276 and Xeon E5-2420 v2 are enumerated here.
Types, maximum amount and channel number of RAM supported by Opteron 6276 and Xeon E5-2420 v2.
Supported memory types
DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size
Max memory channels
Maximum memory bandwidth
38.4 GB / s
ECC memory support
Specifications and connection of peripherals supported by Opteron 6276 and Xeon E5-2420 v2.
Max number of PCIe lanes
Non-gaming benchmarks performance of Opteron 6276 and Xeon E5-2420 v2. Overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
Opteron 6276 7.30
Xeon E5-2420 v2 7.84 +7.4%
Opteron 6276 5721
Xeon E5-2420 v2 6144 +7.4%
Cryptocurrency mining performance of Opteron 6276 and Xeon E5-2420 v2. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
Let's see how good Opteron 6276 and Xeon E5-2420 v2 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.
Advantages of AMD Opteron 6276
Cheaper ($119 vs $480)
AMD64 (AMD CPUs 64-bit architecture. Almost identical to Intel 64, save for some little and rarely used nuances)
Virtualization (Hardware acceleration of virtual machines)
AES (Advanced Encryption Standard instructions set - hardware acceleration of AES encryption and decryption. Speeds up encryption software, e.g. Veracrypt)
Advantages of Intel Xeon E5-2420 v2
7.4% faster in synthetic tests
Much newer (1 September 2013 vs 14 November 2011)
Finer manufacturing process technology (22 vs 32 nm)
Less power hungry (80 vs 115 watts)
Intel 64 (64-bit Intel CPU architecture. Almost identical to AMD64, except small and rarely used nuances)
TXT (Trusted Execution Technology - protects the system against viruses and rootkits residing in BIOS or in a boot sector)
AES-NI (Advanced Encryption Standard New Instructions - additional instructions for hardware acceleration of AES encryption and decryption)
Thermal Monitoring Technologies
So, Opteron 6276 or Xeon E5-2420 v2?
Technical City couldn't decide between AMD Opteron 6276 and Intel Xeon E5-2420 v2. The differences in performance seem too small.
Should you still have questions on choice between Opteron 6276 and Xeon E5-2420 v2, ask them in Comments section, and we shall answer.