Performance per price, higher is better.
Intel Xeon E3-1265L v3 vs E3-1275L v3
Aggregated performance score
Xeon E3-1275L v3
2014
4 cores / 8 threads
4.09
+1.5%
E3-1275L v3 outperforms E3-1265L v3 by 1% based on our aggregated benchmark results.
General info
Comparing Xeon E3-1275L v3 and Xeon E3-1265L v3 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1304 | 1319 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 2.30 | 2.75 |
| Market segment | Server | Server |
| Architecture codename | no data | Haswell-WS (2013) |
| Release date | 1 April 2014 (10 years old) | 2 June 2013 (10 years old) |
| Launch price (MSRP) | no data | $710 |
| Current price | $172 | $139 (0.2x MSRP) |
Value for money
Xeon E3-1265L v3 has 20% better value for money than Xeon E3-1275L v3.
Technical specs
Xeon E3-1275L v3 and Xeon E3-1265L v3 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 | 8 |
| Base clock speed | 2.7 GHz | 2.5 GHz |
| Boost clock speed | 3.9 GHz | 3.7 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 8 MB Intel® Smart Cache | 8192 KB (shared) |
| Chip lithography | 22 nm | 22 nm |
| Die size | no data | 160 mm2 |
| Number of transistors | no data | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E3-1275L v3 and Xeon E3-1265L v3 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 | 1 | 1 |
| Socket | FCLGA1150 | FCLGA1150 |
| Power consumption (TDP) | 45 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1275L v3 and Xeon E3-1265L v3. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| SIPP | + | + |
| FDI | + | + |
| Fast Memory Access | + | + |
| Status | Discontinued | Discontinued |
Security technologies
Xeon E3-1275L v3 and Xeon E3-1265L v3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| Identity Protection | + | + |
| OS Guard | + | + |
| Anti-Theft | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1275L v3 and Xeon E3-1265L v3 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275L v3 and Xeon E3-1265L v3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333, DDR3-1600 | DDR3, DDR4 |
| Maximum memory size | 32 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 25.6 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 4th Generation Intel® Processors | Intel® HD Graphics for 4th Generation Intel® Processors |
| Max video memory | 1.7 GB | no data |
| Quick Sync Video | + | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1.2 GHz | 1.2 GHz |
| Execution Units | 10 | no data |
| InTru 3D | + | + |
Graphics interfaces
Available interfaces and connections of Xeon E3-1275L v3 and Xeon E3-1265L v3 integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | no data |
| DisplayPort | + | no data |
| HDMI | + | no data |
| VGA | + | no data |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1275L v3 and Xeon E3-1265L v3 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160@60Hz | no data |
| Max resolution over DisplayPort | 3840x2160@60Hz | no data |
| Max resolution over VGA | 2880x1800@60Hz | no data |
Graphics API support
APIs supported by Xeon E3-1275L v3 and Xeon E3-1265L v3 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2 | no data |
| OpenGL | 4.3 | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1275L v3 and Xeon E3-1265L v3.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 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.
E3-1275L v3 outperforms E3-1265L v3 by 1% based on our aggregated 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%
E3-1275L v3 outperforms E3-1265L v3 by 1% 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%
E3-1275L v3 outperforms E3-1265L v3 by 4% 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%
E3-1265L v3 outperforms E3-1275L v3 by 2% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 4.09 | 4.03 |
| Recency | 1 April 2014 | 2 June 2013 |
We couldn't decide between Xeon E3-1275L v3 and Xeon E3-1265L v3. The differences in performance seem too small.
Should you still have questions on choice between Xeon E3-1275L v3 and Xeon E3-1265L v3, ask them in Comments section, and we shall answer.
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