Core i5-4300U vs Xeon E5645
Aggregate performance score
Xeon E5645 outperforms i5-4300U by a whopping 102% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5645 and Core i5-4300U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1518 | 2000 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.27 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Core i5 |
| Architecture codename | Westmere-EP (2010−2011) | Haswell (2013−2015) |
| Release date | 16 March 2010 (14 years ago) | 1 October 2013 (10 years ago) |
| Launch price (MSRP) | $294 | $281 |
| Current price | $113 (0.4x MSRP) | $367 (1.3x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5645 and Core i5-4300U 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 | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 12 | 4 |
| Base clock speed | 2.4 GHz | 1.9 GHz |
| Boost clock speed | 2.67 GHz | 2.9 GHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 12 MB (shared) | 3 MB |
| Chip lithography | 32 nm | 22 nm |
| Die size | 239 mm2 | no data |
| Maximum core temperature | 76 °C | 100 °C |
| Number of transistors | 1,170 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5645 and Core i5-4300U 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 | FCBGA1168 |
| Power consumption (TDP) | 80 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5645 and Core i5-4300U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | no data | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| SIPP | no data | + |
| Smart Response | no data | + |
| Demand Based Switching | + | no data |
| PAE | 40 Bit | no data |
| GPIO | no data | + |
| Smart Connect | no data | + |
| FDI | no data | - |
| AMT | no data | 9.5 |
| Matrix Storage | no data | - |
| Status | Discontinued | Discontinued |
| HD Audio | no data | + |
| RST | no data | + |
Security technologies
Xeon E5645 and Core i5-4300U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | no data | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5645 and Core i5-4300U are enumerated here.
| AMD-V | no data | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Core i5-4300U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 288 GB | 16 GB |
| Max memory channels | 3 | 2 |
| Maximum memory bandwidth | 32 GB/s | 25.6 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 4400 |
| Max video memory | no data | 2 GB |
| Quick Sync Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.1 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Xeon E5645 and Core i5-4300U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics image quality
Maximum display resolutions supported by Xeon E5645 and Core i5-4300U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 3280x2000@60Hz |
| Max resolution over DisplayPort | no data | 3200x2000@60Hz |
Graphics API support
APIs supported by Xeon E5645 and Core i5-4300U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5645 and Core i5-4300U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 12 |
| PCI support | no data | - |
| USB revision | no data | 3.0 |
| Total number of SATA ports | no data | 4 |
| Max number of SATA 6 Gb/s Ports | no data | 4 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | 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 E5645 outperforms Core i5-4300U by 102% 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 E5645 outperforms Core i5-4300U by 102% 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%
Core i5-4300U outperforms Xeon E5645 by 117% 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 E5645 outperforms Core i5-4300U by 20% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 3.26 | 1.61 |
| Recency | 16 March 2010 | 1 October 2013 |
| Physical cores | 6 | 2 |
| Threads | 12 | 4 |
| Cost | $294 | $281 |
| Chip lithography | 32 nm | 22 nm |
| Power consumption (TDP) | 80 Watt | 15 Watt |
The Xeon E5645 is our recommended choice as it beats the Core i5-4300U in performance tests.
Be aware that Xeon E5645 is a server/workstation processor while Core i5-4300U is a notebook one.
Should you still have questions on choice between Xeon E5645 and Core i5-4300U, ask them in Comments section, and we shall answer.
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