A10 PRO-7800B vs Opteron 6276
Aggregate performance score
Opteron 6276 outperforms A10 PRO-7800B by an impressive 91% based on our aggregate benchmark results.
Primary details
Comparing Opteron 6276 and A10 PRO-7800B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1386 | 1846 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 7.49 | no data |
| Market segment | Server | Desktop processor |
| Architecture codename | Interlagos (2011−2012) | Kaveri (2014−2015) |
| Release date | 14 November 2011 (12 years ago) | 31 July 2014 (10 years ago) |
| Launch price (MSRP) | $119 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Opteron 6276 and A10 PRO-7800B 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 | 3.5 GHz |
| Boost clock speed | 3.2 GHz | 3.9 GHz |
| L1 cache | 768 KB | 256 KB |
| L2 cache | 16 MB | 4096 KB |
| L3 cache | 8 MB (per die) | no data |
| Chip lithography | 32 nm | 28 nm |
| Die size | 316 mm2 | 245 mm2 |
| Maximum core temperature | no data | 71 °C |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 2,400 million | 2,411 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Opteron 6276 and A10 PRO-7800B 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 | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6276 and A10 PRO-7800B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
| PowerTune | - | + |
| TrueAudio | - | + |
| PowerNow | - | + |
| PowerGating | - | + |
| Out-of-band client management | - | + |
| VirusProtect | - | + |
| RAID | - | + |
| HSA | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6276 and A10 PRO-7800B are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6276 and A10 PRO-7800B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-2133 |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon R7 Graphics |
| iGPU core count | no data | 8 |
| Number of pipelines | no data | 512 |
| UVD | - | + |
| VCE | - | + |
Graphics interfaces
Available interfaces and connections of Opteron 6276 and A10 PRO-7800B integrated GPUs.
| DisplayPort | - | + |
| HDMI | - | + |
Graphics API support
APIs supported by Opteron 6276 and A10 PRO-7800B integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 12 |
Peripherals
Specifications and connection of peripherals supported by Opteron 6276 and A10 PRO-7800B.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 16 |
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.
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.
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 | 4.10 | 2.15 |
| Recency | 14 November 2011 | 31 July 2014 |
| Physical cores | 16 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 115 Watt | 65 Watt |
Opteron 6276 has a 90.7% higher aggregate performance score, and 300% more physical cores and 300% more threads.
A10 PRO-7800B, on the other hand, has an age advantage of 2 years, a 14.3% more advanced lithography process, and 76.9% lower power consumption.
The Opteron 6276 is our recommended choice as it beats the A10 PRO-7800B in performance tests.
Be aware that Opteron 6276 is a server/workstation processor while A10 PRO-7800B is a desktop one.
Should you still have questions on choice between Opteron 6276 and A10 PRO-7800B, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
