Xeon E5-1603 vs Phenom II X6 1055T (95W)
Aggregate performance score
Phenom II X6 1055T (95W) outperforms Xeon E5-1603 by a considerable 43% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1746 | 1971 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 3.13 | 1.60 |
| Designer | AMD | Intel |
| Architecture codename | Thuban (2010) | no data |
| Release date | 1 May 2010 (14 years ago) | 1 January 2012 (13 years ago) |
Detailed specifications
Phenom II X6 1055T (95W) and Xeon E5-1603 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 | 6 | 4 |
| Base clock speed | 2.8 GHz | 2.8 GHz |
| Boost clock speed | 3.3 GHz | no data |
| Bus rate | no data | 0 GT/s |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 6 MB (shared) | 10 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 346 mm2 | no data |
| Maximum core temperature | no data | 64 °C |
| Number of transistors | 904 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.6V - 1.35V |
Compatibility
Information on Phenom II X6 1055T (95W) and Xeon E5-1603 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 |
| Socket | AM3 | FCLGA2011 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X6 1055T (95W) and Xeon E5-1603. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX |
| AES-NI | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | + |
Security technologies
Phenom II X6 1055T (95W) and Xeon E5-1603 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X6 1055T (95W) and Xeon E5-1603 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1055T (95W) and Xeon E5-1603. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-800, DDR3-1066 |
| Maximum memory size | no data | 375 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 31.4 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Phenom II X6 1055T (95W) and Xeon E5-1603.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 40 |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 3.10 | 2.17 |
| Recency | 1 May 2010 | 1 January 2012 |
| Physical cores | 6 | 4 |
| Threads | 6 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Phenom II X6 1055T (95W) has a 42.9% higher aggregate performance score, 50% more physical cores and 50% more threads, and 36.8% lower power consumption.
Xeon E5-1603, on the other hand, has an age advantage of 1 year, and a 40.6% more advanced lithography process.
The AMD Phenom II X6 1055T (95W) is our recommended choice as it beats the Intel Xeon E5-1603 in performance tests.
Note that Phenom II X6 1055T (95W) is a desktop processor while Xeon E5-1603 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
