Intel Core i7 2637M vs Atom x5 x5-Z8500 |
Released June, 2011
Intel Core i7 2637M
- 1.7 GHz
- Dual core
Reasons to buy the Intel Core i7 2637M
 | Higher turbo clock speed 2.8 GHz | | Supports dynamic frequency scaling Yes |
| | Much better 3DMark06 CPU score 36.4 | | Higher clock speed 1.7 GHz |
by Ian-Cutress (Sep, 2014)The first batch of 4.5W Core M processors aim at either the 11.6-inch, 8mm thick fanless tablet design as indicated in the graph above, or similarly a 10.1-inch 10mm thick tablet will also be suitable.
VS
Released January, 2015
Intel Atom x5 x5-Z8500
- 1.44 GHz
- Quad core
Reasons to buy the Atom x5 x5-Z8500
| | Significantly more l2 cache 2 MB | | Much newer manufacturing process 14 nm |
| | More number of displays supported 3 | | Newer Jan, 2015 |
by Ryan-Shrout (Mar, 2015)Originally planned to be a dual-core only option, Intel has actually built both dual-core and quad-core variants that will pair with varying modem options to create a combination that best fit target price points and markets.
Cast your vote Do you agree or disagree with CPUBoss?
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Intel Core i7 2637MCPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Higher turbo clock speed | 2.8 GHz | vs | 2.24 GHz | Around 25% higher turbo clock speed | |||
|---|---|---|---|---|---|---|---|
| Supports dynamic frequency scaling | Yes | vs | No | Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed | |||
| Much better 3DMark06 CPU score | 36.4 | vs | 13.8 | Around 2.8x better 3DMark06 CPU score | |||
| Higher clock speed | 1.7 GHz | vs | 1.44 GHz | Around 20% higher clock speed | |||
| Significantly better geekbench 3 single core score | 2,021 | vs | 890 | More than 2.2x better geekbench 3 single core score | |||
| Higher GPU clock speed | 350 MHz | vs | 200 MHz | 75% higher GPU clock speed | |||
| Better geekbench 3 Multi-Core score | 4,199 | vs | 2,882 | More than 45% better geekbench 3 Multi-Core score | |||
| Better overclocked clock speed (Air) | 2.58 GHz | vs | 2.24 GHz | More than 15% better overclocked clock speed (Air) | |||
| Better overclocked clock speed (Water) | 1.7 GHz | vs | 1.44 GHz | Around 20% better overclocked clock speed (Water) | |||
| |||||||
| Significantly more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much newer manufacturing process | 14 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| More number of displays supported | 3 | vs | 2 | 1 more number of displays supported | |||
| Newer | Jan, 2015 | vs | Jun, 2011 | Release date over 3 years later | |||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
Report a correction
Benchmarks Real world tests of Core i7 2637M vs Atom x5 x5-Z8500
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
3D Mark 06 (CPU)
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i7 2637M | vs | Atom x5 x5-Z8500 |
|---|---|---|---|
| Clock speed | 1.7 GHz | 1.44 GHz | |
| Turbo clock speed | 2.8 GHz | 2.24 GHz | |
| Cores | Dual core | Quad core | |
features | |||
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | No | |
power consumption | |||
| Typical power consumption | 13.81W | N/A | |
bus | |||
| Architecture | DMI | FSB | |
| Number of links | 1 | 1 | |
details | Core i7 2637M | vs | Atom x5 x5-Z8500 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 1 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| Manufacture process | 32 nm | 14 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 2.58 GHz | 2.24 GHz | |
| Overclocked clock speed (Water) | 1.7 GHz | 1.44 GHz | |
| Overclocked clock speed (Air) | 2.58 GHz | 2.24 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics 3000 | Intel® HD Graphics | |
| Number of displays supported | 2 | 3 | |
| GPU clock speed | 350 MHz | 200 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Maximum bandwidth | 21,333.32 MB/s | 12,800 MB/s | |
| Maximum memory size | 8,202.24 MB | 8,192 MB | |
 Intel Core i7 2637M  Report a correction |  Intel Atom x5 x5-Z8500 Report a correction |
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