Turion X2 Ultra ZM-85 vs i7-940XM
Aggregate performance score
Core i7-940XM outperforms Turion X2 Ultra ZM-85 by a whopping 146% based on our aggregate benchmark results.
Primary details
Comparing Core i7-940XM and Turion X2 Ultra ZM-85 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2275 | 2883 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | 2x AMD Turion Ultra |
| Power efficiency | 2.39 | 1.52 |
| Architecture codename | Clarksfield (2009−2010) | Puma (2008−2009) |
| Release date | 20 June 2010 (14 years ago) | 4 June 2008 (16 years ago) |
| Launch price (MSRP) | $1,096 | no data |
Detailed specifications
Core i7-940XM and Turion X2 Ultra ZM-85 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) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 2.13 GHz | no data |
| Boost clock speed | 3.33 GHz | 2.3 GHz |
| Bus rate | 2500 MHz | 4400 MHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 296 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 774 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-940XM and Turion X2 Ultra ZM-85 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 | FCPGA988,PGA988 | S1g2 |
| Power consumption (TDP) | 55 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-940XM and Turion X2 Ultra ZM-85. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | + | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
Security technologies
Core i7-940XM and Turion X2 Ultra ZM-85 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 Core i7-940XM and Turion X2 Ultra ZM-85 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 Core i7-940XM and Turion X2 Ultra ZM-85. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333 | DDR2 |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | None | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-940XM and Turion X2 Ultra ZM-85.
| PCIe version | 2 | no data |
| PCI Express lanes | 16 | 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.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 1.38 | 0.56 |
| Recency | 20 June 2010 | 4 June 2008 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 55 Watt | 35 Watt |
i7-940XM has a 146.4% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.
Turion X2 Ultra ZM-85, on the other hand, has 57.1% lower power consumption.
The Core i7-940XM is our recommended choice as it beats the Turion X2 Ultra ZM-85 in performance tests.
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