Athlon X4 750K vs Opteron 6276
Aggregate performance score
Opteron 6276 outperforms Athlon X4 750K by a whopping 120% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1676 | 2286 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.66 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 3.36 | 1.75 |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | GlobalFoundries |
| Architecture codename | Interlagos (2011−2012) | Trinity (2012−2013) |
| Release date | 14 November 2011 (14 years ago) | 2 October 2012 (13 years ago) |
| Launch price (MSRP) | $119 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Opteron 6276 and Athlon X4 750K 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 cores | 16 (Hexadeca-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 2.3 GHz | 3.4 GHz |
| Boost clock speed | 3.2 GHz | 4 GHz |
| L1 cache | 768 KB | 192K |
| L2 cache | 2 MB (per module) | 4 MB (shared) |
| L3 cache | 8 MB (per die) | no data |
| Chip lithography | 32 nm | 32 nm |
| Die size | 2x 315 mm2 | 246 mm2 |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 2,400 million | 1,303 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron 6276 and Athlon X4 750K 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 configuration | 4 | 1 |
| Socket | G34 | FM2 |
| Power consumption (TDP) | 115 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6276 and Athlon X4 750K. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6276 and Athlon X4 750K are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6276 and Athlon X4 750K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-1866 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Opteron 6276 and Athlon X4 750K.
| PCIe version | 2.0 | 2.0 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
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.
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.
Pros & cons summary
| Performance score | 3.59 | 1.63 |
| Recency | 14 November 2011 | 2 October 2012 |
| Physical cores | 16 | 4 |
| Threads | 16 | 4 |
| Power consumption (TDP) | 115 Watt | 100 Watt |
Opteron 6276 has a 120.2% higher aggregate performance score, and 300% more physical cores and 300% more threads.
Athlon X4 750K, on the other hand, has an age advantage of 10 months, and 15% lower power consumption.
The AMD Opteron 6276 is our recommended choice as it beats the AMD Athlon X4 750K in performance tests.
Be aware that Opteron 6276 is a server/workstation processor while Athlon X4 750K is a desktop one.
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