i5-11400T vs i7-2657M
Aggregate performance score
Core i5-11400T outperforms Core i7-2657M by a whopping 765% based on our aggregate benchmark results.
Primary details
Comparing Core i7-2657M and Core i5-11400T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2462 | 872 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 24.93 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7 | no data |
| Power efficiency | 5.52 | 23.21 |
| Architecture codename | Sandy Bridge (2011−2013) | Rocket Lake (2021) |
| Release date | 3 January 2011 (13 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | $317 | $182 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-2657M and Core i5-11400T 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 1.6 GHz | 1.3 GHz |
| Boost clock speed | 2.7 GHz | 3.7 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | 8 GT/s |
| Multiplier | 16 | no data |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 512 KB | 256K (per core) |
| L3 cache | 4 MB | 12 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 149 mm2 | 276 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 624 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i7-2657M and Core i5-11400T 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 (Uniprocessor) | 1 |
| Socket | FCBGA1023 | FCLGA1200 |
| Power consumption (TDP) | 17 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2657M and Core i5-11400T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | + | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | - |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Core i7-2657M and Core i5-11400T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | + | + |
| SGX | no data | - |
| OS Guard | no data | + |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2657M and Core i5-11400T are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2657M and Core i5-11400T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333 | DDR4 |
| Maximum memory size | 8.01 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.335 GB/s | 50 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 3000 | Intel UHD Graphics 730 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | + | + |
| Clear Video | no data | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1 GHz | 1.2 GHz |
| Execution Units | no data | 24 |
| InTru 3D | + | + |
Graphics interfaces
Available interfaces and connections of Core i7-2657M and Core i5-11400T integrated GPUs.
| Number of displays supported | 2 | 3 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-2657M and Core i5-11400T integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2160@60Hz |
| Max resolution over eDP | no data | 5120 x 3200 @60Hz |
| Max resolution over DisplayPort | no data | 5120 x 3200 @60Hz |
Graphics API support
APIs supported by Core i7-2657M and Core i5-11400T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i7-2657M and Core i5-11400T.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | 16 | 20 |
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Pros & cons summary
| Performance score | 1.03 | 8.91 |
| Integrated graphics card | 0.66 | 4.15 |
| Recency | 3 January 2011 | 16 March 2021 |
| Physical cores | 2 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 17 Watt | 35 Watt |
i7-2657M has 105.9% lower power consumption.
i5-11400T, on the other hand, has a 765% higher aggregate performance score, 528.8% faster integrated GPU, an age advantage of 10 years, 200% more physical cores and 200% more threads, and a 128.6% more advanced lithography process.
The Core i5-11400T is our recommended choice as it beats the Core i7-2657M in performance tests.
Be aware that Core i7-2657M is a notebook processor while Core i5-11400T is a desktop one.
Should you still have questions on choice between Core i7-2657M and Core i5-11400T, ask them in Comments section, and we shall answer.
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