Atom x7405C vs Opteron 6274
Aggregate performance score
Opteron 6274 outperforms Atom x7405C by a small 8% 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 | 1807 | 1890 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.17 | no data |
| Market segment | Server | Laptop |
| Power efficiency | 1.18 | 10.48 |
| Designer | AMD | Intel |
| Manufacturer | GlobalFoundries | Intel |
| Architecture codename | Interlagos (2011−2012) | Amston Lake (2024−2025) |
| Release date | 14 November 2011 (14 years ago) | 8 April 2024 (1 year ago) |
| Launch price (MSRP) | $909 | $57 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Opteron 6274 and Atom x7405C 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 | 2.2 GHz | 1.7 GHz |
| Boost clock speed | 3.1 GHz | 3.4 GHz |
| L1 cache | 768 KB (shared) | 96 KB (per core) |
| L2 cache | 8.00391 MB (per core) | 2 MB (shared) |
| L3 cache | 8 MB (per die) | 6 MB (shared) |
| Chip lithography | 32 nm | 10 nm |
| Die size | 2x 315 mm2 | no data |
| Number of transistors | 2,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Opteron 6274 and Atom x7405C 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 | 2 | 1 |
| Socket | G34 | Intel BGA 1264 |
| Power consumption (TDP) | 115 Watt | 12 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6274 and Atom x7405C. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6274 and Atom x7405C are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6274 and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4, DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Opteron 6274 and Atom x7405C.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 9 |
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.
Pros & cons summary
| Performance score | 3.22 | 2.98 |
| Recency | 14 November 2011 | 8 April 2024 |
| Physical cores | 16 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 32 nm | 10 nm |
| Power consumption (TDP) | 115 Watt | 12 Watt |
Opteron 6274 has a 8.1% higher aggregate performance score, and 300% more physical cores and 300% more threads.
Atom x7405C, on the other hand, has an age advantage of 12 years, a 220% more advanced lithography process, and 858.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between AMD Opteron 6274 and Intel Atom x7405C.
Be aware that Opteron 6274 is a server/workstation processor while Atom x7405C is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
