AMD Opteron 6276 vs Intel Xeon E5-2420 v2

AMD Opteron 6276
Intel Xeon E5-2420 v2

General info

Comparing Opteron 6276 and Xeon E5-2420 v2 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
Value for money (0-100)
Architecture codename
Ivy Bridge-EN
Release date
14 November 2011
1 September 2013
Launch price (MSRP)
Price now

Technical specs

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
Base frequency
2.3 GHz
2.3 GHz
Maximum frequency
3.2 GHz
2.7 GHz
L1 cache
768 KB
64 KB (per core)
L2 cache
16 MB
256 KB (per core)
L3 cache
8 MB (per die)
15 MB (shared)
Manufacturing process technology
32 nm
22 nm
Die size
316 mm2
160 mm2
Maximum core temperature
no data
76 °C
Transistor count
2,400 million
1,400 million
64 bit support
VID voltage range
no data


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)
115 Watt
80 Watt

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
no data
Intel® AVX
Enhanced SpeedStep (EIST)
no data
Turbo Boost
no data
no data
Idle States
no data
Thermal Monitoring
Flex Memory Access
no data
Demand Based Switching
no data
no data
46 Bit

Security technologies

Opteron 6276 and Xeon E5-2420 v2 technologies aimed at raising security, for example, by protecting against hacks.
no data
no data
Secure Key
no data
OS Guard
no data

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6276 and Xeon E5-2420 v2 are enumerated here.
no data
no data
no data

Memory specs

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
no data
384 GB
Max memory channels
no data
Maximum memory bandwidth
no data
38.4 GB / s
ECC memory support


Specifications and connection of peripherals supported by Opteron 6276 and Xeon E5-2420 v2.
PCIe revision
no data
Max number of PCIe lanes
no data

Benchmark performance

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%

Mining hashrates

Cryptocurrency mining performance of Opteron 6276 and Xeon E5-2420 v2. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
20 Mh/s
no data

Gaming performance

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.

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AMD Opteron 6276
Intel Xeon E5-2420 v2

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