Performance per price, higher is better.
Xeon E5-2440 vs E5-2658
Aggregated performance score
Xeon E5-2658
2012
8 cores / 16 threads
3.96
E5-2440 outperforms E5-2658 by 1% based on our aggregated benchmark results.
General info
Comparing Xeon E5-2658 and Xeon E5-2440 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1342 | 1336 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 0.64 | 0.74 |
| Market segment | Server | Server |
| Architecture codename | Sandy Bridge-EP (2012) | Sandy Bridge-EN (2012) |
| Release date | 6 March 2012 (12 years old) | 14 May 2012 (11 years old) |
| Launch price (MSRP) | $1,462 | $295 |
| Current price | $89 (0.1x MSRP) | $507 (1.7x MSRP) |
Value for money
Xeon E5-2440 has 16% better value for money than Xeon E5-2658.
Technical specs
Xeon E5-2658 and Xeon E5-2440 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 | 8 (Octa-Core) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 2.1 GHz | 2.4 GHz |
| Boost clock speed | 2.4 GHz | 2.9 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 256 KB (per core) |
| L3 cache | 20480 KB (shared) | 15360 KB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 435 mm2 | 294 mm2 |
| Number of transistors | 2,270 million | 1,270 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5-2658 and Xeon E5-2440 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 | 2011 | FCLGA1356 |
| Power consumption (TDP) | 95 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2658 and Xeon E5-2440. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | + | + |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | - |
| Demand Based Switching | no data | + |
| Status | no data | Discontinued |
Security technologies
Xeon E5-2658 and Xeon E5-2440 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Identity Protection | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2658 and Xeon E5-2440 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 and Xeon E5-2440. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 384 GB |
| Max memory channels | no data | 3 |
| Maximum memory bandwidth | no data | 32 GB/s |
| ECC memory support | no data | + |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2658 and Xeon E5-2440.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | no data | 24 |
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.
E5-2440 outperforms E5-2658 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%
Advantages and disadvantages
| Performance score | 3.96 | 3.98 |
| Recency | 6 March 2012 | 14 May 2012 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Cost | $1462 | $295 |
We couldn't decide between Xeon E5-2658 and Xeon E5-2440. The differences in performance seem too small.
Should you still have questions on choice between Xeon E5-2658 and Xeon E5-2440, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
