Opteron 6276 vs i7-4790K

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Aggregate performance score

Core i7-4790K
2014
4 cores / 8 threads, 88 Watt
5.08
+27%
Opteron 6276
2011
16 cores / 16 threads, 115 Watt
4.00

Core i7-4790K outperforms Opteron 6276 by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4790K and Opteron 6276 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12211429
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.975.48
Market segmentDesktop processorServer
SeriesCore i7 (Desktop)no data
Power efficiency5.463.29
Architecture codenameDevil's CanyonInterlagos (2011−2012)
Release dateJune 2014 (10 years ago)14 November 2011 (13 years ago)
Launch price (MSRP)$339$119

Cost-effectiveness evaluation

Performance per price, higher is better.

Opteron 6276 has 465% better value for money than i7-4790K.

Detailed specifications

Core i7-4790K and Opteron 6276 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)16 (Hexadeca-Core)
Threads816
Base clock speed4 GHz2.3 GHz
Boost clock speed4.4 GHz3.2 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)768 KB
L2 cache256K (per core)16 MB
L3 cache8 MB (shared)8 MB (per die)
Chip lithography22 nm32 nm
Die size177 mm2316 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 million2,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-4790K and Opteron 6276 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration14
SocketFCLGA1150G34
Power consumption (TDP)88 Watt115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Opteron 6276. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
FMA-+
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
FDI+no data

Security technologies

Core i7-4790K and Opteron 6276 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Opteron 6276 are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Opteron 6276. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 4600no data
Max video memory2 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.25 GHzno data
Execution Units20no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Opteron 6276 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Opteron 6276 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x2160@24Hzno data
Max resolution over eDP3840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i7-4790K and Opteron 6276 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Opteron 6276.

PCIe version3.02.0
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-4790K 5.08
+27%
Opteron 6276 4.00

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-4790K 8067
+27.1%
Opteron 6276 6348

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-4790K 1407
+294%
Opteron 6276 357

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-4790K 4403
+80.4%
Opteron 6276 2441

Gaming performance

Pros & cons summary


Performance score 5.08 4.00
Recency on June 2014 14 November 2011
Physical cores 4 16
Threads 8 16
Chip lithography 22 nm 32 nm
Power consumption (TDP) 88 Watt 115 Watt

i7-4790K has a 27% higher aggregate performance score, an age advantage of 2 years, a 45.5% more advanced lithography process, and 30.7% lower power consumption.

Opteron 6276, on the other hand, has 300% more physical cores and 100% more threads.

The Core i7-4790K is our recommended choice as it beats the Opteron 6276 in performance tests.

Note that Core i7-4790K is a desktop processor while Opteron 6276 is a server/workstation one.


Should you still have questions on choice between Core i7-4790K and Opteron 6276, ask them in Comments section, and we shall answer.

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Intel Core i7-4790K
Core i7-4790K
AMD Opteron 6276
Opteron 6276

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Community ratings

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Questions & comments

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