Xeon X5677 vs E5-2640
Aggregated performance score
E5-2640 outperforms X5677 by 26% based on our aggregated benchmark results.
General info
Comparing Xeon E5-2640 and Xeon X5677 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1301 | 1485 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 0.96 | 0.18 |
| Market segment | Server | Server |
| Architecture codename | Sandy Bridge-EP (2012) | Westmere-EP (2010−2011) |
| Release date | 6 March 2012 (12 years ago) | 16 March 2010 (14 years ago) |
| Launch price (MSRP) | $162 | $350 |
| Current price | $77 (0.5x MSRP) | $1367 (3.9x MSRP) |
Value for money
Performance per price, higher is better.
Xeon E5-2640 has 433% better value for money than Xeon X5677.
Technical specs
Xeon E5-2640 and Xeon X5677 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) | 4 (Quad-Core) |
| Threads | 12 | 8 |
| Base clock speed | 2.5 GHz | 3.46 GHz |
| Boost clock speed | 3 GHz | 3.73 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 256 KB (per core) |
| L3 cache | 15360 KB (shared) | 12 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 435 mm2 | 239 mm2 |
| Maximum core temperature | 73 °C | 80 °C |
| Number of transistors | 2,270 million | 1,170 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5-2640 and Xeon X5677 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 | 2 |
| Socket | FCLGA2011 | FCLGA1366,LGA1366 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2640 and Xeon X5677. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Intel® SSE4.2 |
| AES-NI | + | + |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | - | no data |
| Demand Based Switching | + | + |
| PAE | no data | 40 Bit |
| Status | Discontinued | Discontinued |
Security technologies
Xeon E5-2640 and Xeon X5677 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Identity Protection | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2640 and Xeon X5677 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 and Xeon X5677. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 384 GB | 288 GB |
| Max memory channels | 4 | 3 |
| Maximum memory bandwidth | 42.6 GB/s | 32 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2640 and Xeon X5677.
| PCIe version | 3.0 | 2.0 |
| 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.
E5-2640 outperforms X5677 by 26% 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%
E5-2640 outperforms X5677 by 26% 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%
X5677 outperforms E5-2640 by 16% 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%
E5-2640 outperforms X5677 by 8% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 4.09 | 3.24 |
| Recency | 6 March 2012 | 16 March 2010 |
| Physical cores | 6 | 4 |
| Threads | 12 | 8 |
| Cost | $162 | $350 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
The Xeon E5-2640 is our recommended choice as it beats the Xeon X5677 in performance tests.
Should you still have questions on choice between Xeon E5-2640 and Xeon X5677, ask them in Comments section, and we shall answer.
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