Xeon E3-1276 v3: specs and benchmarks
Aggregate performance score
Xeon E3-1276 v3 provides poor benchmark performance at 4.73% of a leader's which is a 96-core EPYC 9655P.
Summary
Intel started Xeon E3-1276 v3 sales 1 April 2014. This is desktop processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 22 nm manufacturing technology, with a maximum frequency of 4000 MHz and a locked multiplier.
Compatibility-wise, this is FCLGA1150 processor with a TDP of 84 Watt. It supports DDR3L-1333, DDR3L-1600 memory.
Primary details
Xeon E3-1276 v3 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 1267 | |
| Place by popularity | not in top-100 | |
| Market segment | Server | |
| Power efficiency | 5.30 | of 100.00 (Core Ultra 7 164U) |
| Release date | 1 April 2014 (10 years ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 4 (Quad-Core) | |
| Threads | 8 | |
| Base clock speed | 3.6 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 4 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus rate | 5 GT/s | |
| L3 cache | 8 MB Intel® Smart Cache | of 1152 MB (EPYC 9684X) |
| Chip lithography | 22 nm | of 3 nm (Apple M3 Max 16-Core) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Xeon E3-1276 v3 compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCLGA1150 | |
| Power consumption (TDP) | 84 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Xeon E3-1276 v3. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | |
| AES-NI | + | |
| Enhanced SpeedStep (EIST) | + | |
| Turbo Boost Technology | 2.0 | |
| Hyper-Threading Technology | + | |
| TSX | + | |
| Idle States | + | |
| Thermal Monitoring | + | |
| Flex Memory Access | + | |
| SIPP | + | |
| FDI | + | |
| Fast Memory Access | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | |
| EDB | + | |
| Secure Key | + | |
| Identity Protection | + | |
| OS Guard | + | |
| Anti-Theft | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Xeon E3-1276 v3's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3L-1333, DDR3L-1600 | |
| Maximum memory size | 32 GB | of 6 TiB (EPYC 9124) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 25.6 GB/s | of 460.8 GB/s (EPYC 9124) |
| ECC memory support | + |
Graphics specifications
General parameters of a GPU integrated into Xeon E3-1276 v3.
| Max video memory | 1.7 GB | |
| Quick Sync Video | + | |
| Clear Video HD | + | |
| Graphics max frequency | 1.25 GHz | |
| Execution Units | 20 | |
| InTru 3D | + |
Graphics interfaces
Available interfaces and connections of Xeon E3-1276 v3's integrated GPU.
| Number of displays supported | 3 | |
| eDP | + | |
| DisplayPort | + | |
| HDMI | + | |
| VGA | + |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1276 v3's integrated GPU, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160@60Hz | |
| Max resolution over DisplayPort | 3840x2160@60Hz | |
| Max resolution over VGA | 2880x1800@60Hz |
Graphics API support
APIs supported by Xeon E3-1276 v3's integrated GPU, sometimes API versions are included.
| DirectX | 11.2 | |
| OpenGL | 4.3 |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 3.0 | of 5.0 (Core i9-12900K) |
| PCI Express lanes | 16 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Xeon E3-1276 v3. Overall benchmark performance 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.
Send your test results of Xeon E3-1276 v3.
AMD equivalent
According to our data, the closest AMD alternative to Xeon E3-1276 v3 is Opteron 6348, which is faster by 4% and higher by 31 positions in our ranking.
Here are some closest AMD rivals to Xeon E3-1276 v3:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Xeon E3-1276 v3, according to our PC configuration statistics.
These are the fastest graphics cards for Xeon E3-1276 v3 in our user configuration statistics. There is a total of 20 configurations using Xeon E3-1276 v3 in our database.
