PRO A8-8650B vs Xeon E5620
Aggregate performance score
Xeon E5620 outperforms PRO A8-8650B by a small 9% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5620 and PRO A8-8650B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1736 | 1808 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.08 | no data |
| Market segment | Server | Desktop processor |
| Architecture codename | Westmere-EP (2010−2011) | Godaveri (2014−2018) |
| Release date | 16 March 2010 (14 years ago) | 29 September 2015 (8 years ago) |
| Launch price (MSRP) | $35 | no data |
| Current price | $52 (1.5x MSRP) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5620 and PRO A8-8650B 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 2.4 GHz | 3.2 GHz |
| Boost clock speed | 2.66 GHz | 3.9 GHz |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 4096 KB |
| L3 cache | 12 MB (shared) | no data |
| Chip lithography | 32 nm | 28 nm |
| Die size | 239 mm2 | 245 mm2 |
| Maximum core temperature | 78 °C | 71 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 1,170 million | 2,411 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5620 and PRO A8-8650B 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 | FCLGA1366,LGA1366 | FM2+ |
| Power consumption (TDP) | 80 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5620 and PRO A8-8650B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | + |
| FMA | no data | + |
| AVX | no data | + |
| FRTC | no data | 1 |
| FreeSync | no data | 1 |
| PowerTune | no data | + |
| DualGraphics | no data | 1 |
| TrueAudio | no data | + |
| PowerNow | no data | + |
| PowerGating | no data | + |
| Out-of-band client management | no data | + |
| VirusProtect | no data | + |
| RAID | no data | + |
| HSA | no data | 1 |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | - | no data |
| Demand Based Switching | + | no data |
| PAE | 40 Bit | no data |
| Status | Discontinued | no data |
Security technologies
Xeon E5620 and PRO A8-8650B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5620 and PRO A8-8650B are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
| IOMMU 2.0 | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5620 and PRO A8-8650B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-2133 |
| Maximum memory size | 288 GB | no data |
| Max memory channels | 3 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon R7 Graphics |
| iGPU core count | no data | 6 |
| Number of pipelines | no data | 384 |
| Enduro | no data | + |
| Switchable graphics | no data | 1 |
| UVD | no data | + |
| VCE | no data | + |
Graphics interfaces
Available interfaces and connections of Xeon E5620 and PRO A8-8650B integrated GPUs.
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics API support
APIs supported by Xeon E5620 and PRO A8-8650B integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 12 |
| Vulkan | no data | 1 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5620 and PRO A8-8650B.
| 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.
Xeon E5620 outperforms PRO A8-8650B by 9% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Xeon E5620 outperforms PRO A8-8650B by 9% in Passmark.
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.
Benchmark coverage: 42%
PRO A8-8650B outperforms Xeon E5620 by 20% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Xeon E5620 outperforms PRO A8-8650B by 34% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 2.27 | 2.08 |
| Recency | 16 March 2010 | 29 September 2015 |
| Threads | 8 | 4 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 80 Watt | 65 Watt |
Given the minimal performance differences, no clear winner can be declared between Xeon E5620 and PRO A8-8650B.
Be aware that Xeon E5620 is a server/workstation processor while PRO A8-8650B is a desktop one.
Should you still have questions on choice between Xeon E5620 and PRO A8-8650B, ask them in Comments section, and we shall answer.
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