Phenom II X4 X920 BE vs Xeon E3-1245 v2
Aggregate performance score
Xeon E3-1245 v2 outperforms Phenom II X4 X920 BE by a whopping 172% based on our aggregate benchmark results.
Primary details
Comparing Xeon E3-1245 v2 and Phenom II X4 X920 BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1423 | 2166 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.29 | no data |
| Market segment | Server | Laptop |
| Series | no data | 4x AMD Phenom II |
| Power efficiency | 4.88 | 3.07 |
| Architecture codename | Ivy Bridge (2012−2013) | Champlain (2010−2011) |
| Release date | 14 May 2012 (12 years ago) | 12 May 2010 (14 years ago) |
| Launch price (MSRP) | $462 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E3-1245 v2 and Phenom II X4 X920 BE 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 | 4 |
| Base clock speed | 3.4 GHz | no data |
| Boost clock speed | 3.8 GHz | 2.3 GHz |
| Bus rate | 5 GT/s | 3600 MHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 8 MB (shared) | no data |
| Chip lithography | 22 nm | 45 nm |
| Die size | 160 mm2 | no data |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E3-1245 v2 and Phenom II X4 X920 BE 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 | no data |
| Socket | FCLGA1155 | S1 |
| Power consumption (TDP) | 77 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier |
| AES-NI | + | - |
| AVX | + | - |
| VirusProtect | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Xeon E3-1245 v2 and Phenom II X4 X920 BE technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE 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 E3-1245 v2 and Phenom II X4 X920 BE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32.77 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD P4000 | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.25 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Xeon E3-1245 v2 and Phenom II X4 X920 BE integrated GPUs.
| Number of displays supported | 3 | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE.
| PCIe version | 3.0 | no data |
Pros & cons summary
| Performance score | 3.97 | 1.46 |
| Recency | 14 May 2012 | 12 May 2010 |
| Threads | 8 | 4 |
| Chip lithography | 22 nm | 45 nm |
| Power consumption (TDP) | 77 Watt | 45 Watt |
Xeon E3-1245 v2 has a 171.9% higher aggregate performance score, an age advantage of 2 years, 100% more threads, and a 104.5% more advanced lithography process.
Phenom II X4 X920 BE, on the other hand, has 71.1% lower power consumption.
The Xeon E3-1245 v2 is our recommended choice as it beats the Phenom II X4 X920 BE in performance tests.
Be aware that Xeon E3-1245 v2 is a server/workstation processor while Phenom II X4 X920 BE is a notebook one.
Should you still have questions on choice between Xeon E3-1245 v2 and Phenom II X4 X920 BE, ask them in Comments section, and we shall answer.
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