FX-8800P vs Xeon E5-2643
Aggregate performance score
Xeon E5-2643 outperforms FX-8800P by an impressive 91% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5-2643 and FX-8800P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1464 | 1912 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.66 | no data |
| Market segment | Server | Laptop |
| Series | no data | AMD Carrizo |
| Architecture codename | Sandy Bridge-EP (2012) | Carrizo (2015−2018) |
| Release date | 6 March 2012 (12 years ago) | 3 June 2015 (9 years ago) |
| Launch price (MSRP) | $218 | no data |
| Current price | $62 (0.3x MSRP) | $515 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5-2643 and FX-8800P 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 | 3.3 GHz | 2.1 GHz |
| Boost clock speed | 3.5 GHz | 3.4 GHz |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 2048 KB |
| L3 cache | 10240 KB (shared) | no data |
| Chip lithography | 32 nm | 28 nm |
| Die size | 294 mm2 | no data |
| Maximum core temperature | 73 °C | 90 °C |
| Number of transistors | 1,270 million | 3100 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5-2643 and FX-8800P 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 | no data |
| Socket | FCLGA2011 | FP4 |
| Power consumption (TDP) | 130 Watt | 12-35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2643 and FX-8800P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | HSA 1.0 |
| AES-NI | + | 1 |
| FMA | no data | FMA4 |
| AVX | + | AVX |
| 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 | + |
| HSA | no data | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | - | no data |
| Demand Based Switching | + | no data |
| Status | Discontinued | no data |
Security technologies
Xeon E5-2643 and FX-8800P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2643 and FX-8800P are enumerated here.
| AMD-V | no data | 1 |
| 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 E5-2643 and FX-8800P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-2133 |
| Maximum memory size | 384 GB | no data |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 51.2 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 | 8 |
| Enduro | no data | + |
| Switchable graphics | no data | 1 |
| UVD | no data | + |
| VCE | no data | + |
Graphics interfaces
Available interfaces and connections of Xeon E5-2643 and FX-8800P integrated GPUs.
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics API support
APIs supported by Xeon E5-2643 and FX-8800P 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 E5-2643 and FX-8800P.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 40 | no 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.
Xeon E5-2643 outperforms FX-8800P by 91% 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 E5-2643 outperforms FX-8800P by 91% 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%
Xeon E5-2643 outperforms FX-8800P by 9% 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 E5-2643 outperforms FX-8800P by 70% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 3.51 | 1.84 |
| Recency | 6 March 2012 | 3 June 2015 |
| Threads | 8 | 4 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 130 Watt | 12 Watt |
The Xeon E5-2643 is our recommended choice as it beats the FX-8800P in performance tests.
Be aware that Xeon E5-2643 is a server/workstation processor while FX-8800P is a notebook one.
Should you still have questions on choice between Xeon E5-2643 and FX-8800P, ask them in Comments section, and we shall answer.
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