Xeon E-2176M vs Core 2 Duo E6400
Aggregate performance score
Xeon E-2176M outperforms Core 2 Duo E6400 by a whopping 1300% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo E6400 and Xeon E-2176M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2903 | 1026 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 10.92 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon E |
| Power efficiency | 0.71 | 14.43 |
| Architecture codename | Conroe (2006−2007) | Coffee Lake-H (2018−2019) |
| Release date | July 2006 (18 years ago) | 4 April 2018 (6 years ago) |
| Launch price (MSRP) | no data | $450 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Duo E6400 and Xeon E-2176M 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 2.13 GHz | 2.7 GHz |
| Boost clock speed | 2.13 GHz | 4.4 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 1066 MHz | 4 × 8 GT/s |
| Multiplier | no data | 27 |
| L1 cache | 64 KB | 64 KB (per core) |
| L2 cache | 2 MB | 256 KB (per core) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | 143 mm2 | 154 mm2 |
| Maximum core temperature | 61 °C | 100 °C |
| Number of transistors | 291 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Duo E6400 and Xeon E-2176M 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 (Uniprocessor) |
| Socket | LGA775,PLGA775 | BGA-1440 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E6400 and Xeon E-2176M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E6400 and Xeon E-2176M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Xeon E-2176M are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Xeon E-2176M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics P630 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.2 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core 2 Duo E6400 and Xeon E-2176M integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo E6400 and Xeon E-2176M integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@30Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
| Max resolution over VGA | no data | N/A |
Graphics API support
APIs supported by Core 2 Duo E6400 and Xeon E-2176M integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E6400 and Xeon E-2176M.
| PCIe version | no data | 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.
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.
Pros & cons summary
| Performance score | 0.49 | 6.86 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Xeon E-2176M has a 1300% higher aggregate performance score, 200% more physical cores and 500% more threads, a 364.3% more advanced lithography process, and 44.4% lower power consumption.
The Xeon E-2176M is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.
Note that Core 2 Duo E6400 is a desktop processor while Xeon E-2176M is a server/workstation one.
Should you still have questions on choice between Core 2 Duo E6400 and Xeon E-2176M, ask them in Comments section, and we shall answer.
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