Core i5-540UM vs Core i7-820QM
Aggregate performance score
i7-820QM outperforms i5-540UM by an impressive 77% based on our aggregate benchmark results.
Primary details
Comparing Core i7-820QM and Core i5-540UM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2288 | 2656 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Core i5 |
| Architecture codename | Clarksfield (2009−2010) | Arrandale (2010−2011) |
| Release date | 23 September 2009 (14 years ago) | 24 May 2010 (14 years ago) |
| Launch price (MSRP) | $546 | $250 |
| Current price | $529 (1x MSRP) | $350 (1.4x MSRP) |
Detailed specifications
Core i7-820QM and Core i5-540UM 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 | 4 |
| Base clock speed | 1.73 GHz | 1.2 GHz |
| Boost clock speed | 3.06 GHz | 2 GHz |
| Bus support | 2500 MHz | 2500 MHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 8 MB (shared) | 3 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 296 mm2 | 81+114 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Number of transistors | 774 million | 382+177 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-820QM and Core i5-540UM 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 | BGA1288 |
| Power consumption (TDP) | 45 Watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-820QM and Core i5-540UM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| FMA | no data | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | + |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| PAE | 36 Bit | 36 Bit |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Core i7-820QM and Core i5-540UM technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-820QM and Core i5-540UM are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-820QM and Core i5-540UM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333 | DDR3 |
| Maximum memory size | 8 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 12.8 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | None | Intel® HD Graphics for Previous Generation Intel® Processors |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 500 MHz |
Graphics interfaces
Available interfaces and connections of Core i7-820QM and Core i5-540UM integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core i7-820QM and Core i5-540UM.
| PCIe version | 2 | 2.0 |
| PCI Express lanes | 16 | 16 |
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.
Core i7-820QM outperforms Core i5-540UM by 77% based on our aggregate 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%
Core i7-820QM outperforms Core i5-540UM by 77% in Passmark.
Pros & cons summary
| Performance score | 1.15 | 0.65 |
| Recency | 23 September 2009 | 24 May 2010 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Cost | $546 | $250 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 45 Watt | 18 Watt |
The Core i7-820QM is our recommended choice as it beats the Core i5-540UM in performance tests.
Should you still have questions on choice between Core i7-820QM and Core i5-540UM, ask them in Comments section, and we shall answer.
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