Intel Core i7-2700K vs Intel Core i5-661
Comparative analysis of Intel Core i7-2700K and Intel Core i5-661 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).
Differences
Reasons to consider the Intel Core i7-2700K
- CPU is newer: launch date 1 year(s) 8 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 8% higher clock speed: 3.90 GHz vs 3.60 GHz
- Around 4% higher maximum core temperature: 72.6°C vs 69.8°C
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 95% higher maximum memory size: 32 GB vs 16.38 GB
- Around 26% better performance in PassMark - Single thread mark: 1825 vs 1448
- 2.3x better performance in PassMark - CPU mark: 5748 vs 2470
- Around 63% better performance in Geekbench 4 - Single Core: 846 vs 518
- 2.7x better performance in Geekbench 4 - Multi-Core: 3277 vs 1214
Specifications (specs) | |
Launch date | October 2011 vs January 2010 |
Unlocked | Unlocked vs Locked |
Number of cores | 4 vs 2 |
Number of threads | 8 vs 4 |
Maximum frequency | 3.90 GHz vs 3.60 GHz |
Maximum core temperature | 72.6°C vs 69.8°C |
L1 cache | 64 KB (per core) vs 64 KB (per core) |
L2 cache | 256 KB (per core) vs 256 KB (per core) |
L3 cache | 8192 KB (shared) vs 4096 KB (shared) |
Maximum memory size | 32 GB vs 16.38 GB |
Benchmarks | |
PassMark - Single thread mark | 1825 vs 1448 |
PassMark - CPU mark | 5748 vs 2470 |
Geekbench 4 - Single Core | 846 vs 518 |
Geekbench 4 - Multi-Core | 3277 vs 1214 |
Reasons to consider the Intel Core i5-661
- Around 9% lower typical power consumption: 87 Watt vs 95 Watt
Thermal Design Power (TDP) | 87 Watt vs 95 Watt |
Compare benchmarks
CPU 1: Intel Core i7-2700K
CPU 2: Intel Core i5-661
PassMark - Single thread mark |
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PassMark - CPU mark |
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Geekbench 4 - Single Core |
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Geekbench 4 - Multi-Core |
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Name | Intel Core i7-2700K | Intel Core i5-661 |
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PassMark - Single thread mark | 1825 | 1448 |
PassMark - CPU mark | 5748 | 2470 |
Geekbench 4 - Single Core | 846 | 518 |
Geekbench 4 - Multi-Core | 3277 | 1214 |
3DMark Fire Strike - Physics Score | 3461 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 4.472 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 66.305 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.557 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.632 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.935 |
Compare specifications (specs)
Intel Core i7-2700K | Intel Core i5-661 | |
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Essentials |
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Architecture codename | Sandy Bridge | Clarkdale |
Launch date | October 2011 | January 2010 |
Launch price (MSRP) | $514 | $252 |
Place in performance rating | 2242 | 2243 |
Price now | $288.99 | $99.99 |
Processor Number | i7-2700K | i5-661 |
Series | Legacy Intel® Core™ Processors | Legacy Intel® Core™ Processors |
Status | Discontinued | Discontinued |
Value for money (0-100) | 8.88 | 9.35 |
Vertical segment | Desktop | Desktop |
Performance |
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64 bit support | ||
Base frequency | 3.50 GHz | 3.33 GHz |
Bus Speed | 5 GT/s DMI | 2.5 GT/s DMI |
Die size | 216 mm | 81 mm2 |
L1 cache | 64 KB (per core) | 64 KB (per core) |
L2 cache | 256 KB (per core) | 256 KB (per core) |
L3 cache | 8192 KB (shared) | 4096 KB (shared) |
Manufacturing process technology | 32 nm | 32 nm |
Maximum core temperature | 72.6°C | 69.8°C |
Maximum frequency | 3.90 GHz | 3.60 GHz |
Number of cores | 4 | 2 |
Number of threads | 8 | 4 |
Transistor count | 1160 million | 382 million |
Unlocked | ||
VID voltage range | 0.6500V-1.4000V | |
Memory |
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Max memory channels | 2 | 2 |
Maximum memory bandwidth | 21 GB/s | 21 GB/s |
Maximum memory size | 32 GB | 16.38 GB |
Supported memory types | DDR3 1066/1333 | DDR3 1066/1333 |
Graphics |
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Device ID | 0x112 | |
Graphics base frequency | 850 MHz | 900 MHz |
Graphics max dynamic frequency | 1.35 GHz | |
Graphics max frequency | 1.35 GHz | |
Intel® Clear Video HD technology | ||
Intel® Flexible Display Interface (Intel® FDI) | ||
Intel® InTru™ 3D technology | ||
Intel® Quick Sync Video | ||
Processor graphics | Intel® HD Graphics 3000 | Intel HD Graphics |
Graphics interfaces |
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Number of displays supported | 2 | 2 |
Wireless Display (WiDi) support | ||
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
Sockets supported | LGA1155 | FCLGA1156 |
Thermal Design Power (TDP) | 95 Watt | 87 Watt |
Peripherals |
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Max number of PCIe lanes | 16 | 16 |
PCI Express revision | 2.0 | 2.0 |
PCIe configurations | 1x16, 2x8 | |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Identity Protection technology | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Flexible Display interface (FDI) | ||
Idle States | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | Intel® SSE4.2 |
Intel 64 | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
Intel® Fast Memory Access | ||
Intel® Flex Memory Access | ||
Intel® Hyper-Threading technology | ||
Intel® Turbo Boost technology | ||
Intel® vPro™ Platform Eligibility | ||
Thermal Monitoring | ||
Intel® Demand Based Switching | ||
Physical Address Extensions (PAE) | 36-bit | |
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) |