Intel Core 2 Duo P8700 vs Core i7-640UM
Comparing Core 2 Duo P8700 and Core i7-640UM processor market type (desktop or notebook), architecture and sales start time and price.
Core 2 Duo P8700 and Core i7-640UM quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core 2 Duo P8700 and Core i7-640UM performance, but for precise assessment you have to consider their test results.
Number of cores
Number of threads
Manufacturing process technology
Maximum core temperature
64 bit support
Information on Core 2 Duo P8700 and Core i7-640UM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
Power consumption (TDP)
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo P8700 and Core i7-640UM. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2
Enhanced SpeedStep (EIST)
Flex Memory Access
Fast Memory Access
Core 2 Duo P8700 and Core i7-640UM technologies aimed at raising security, for example, by protecting against hacks.
Virtual machine speed-up technologies supported by Core 2 Duo P8700 and Core i7-640UM are enumerated here.
Types, maximum amount and channel number of RAM supported by Core 2 Duo P8700 and Core i7-640UM.
Supported memory types
Maximum memory size
Max memory channels
Maximum memory bandwidth
12.8 GB / s
General parameters of GPUs integrated into Core 2 Duo P8700 and Core i7-640UM.
HD Graphics (Ironlake)
Clear Video HD
Graphics max frequency
Available interfaces and connections of Core 2 Duo P8700 and Core i7-640UM integrated GPUs.
Number of displays supported
Specifications and connection of peripherals supported by Core 2 Duo P8700 and Core i7-640UM.
Max number of PCIe lanes
Non-gaming benchmarks performance of Core 2 Duo P8700 and Core i7-640UM. Overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
2 Duo P8700 3.43
i7-640UM 3.46 +0.9%
2 Duo P8700 1624
i7-640UM 1638 +0.9%
Let's see how good Core 2 Duo P8700 and Core i7-640UM are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.
Advantages of Intel Core 2 Duo P8700
Cheaper ($209 vs $305)
Advantages of Intel Core i7-640UM
0.9% faster in synthetic tests
Much newer (4 January 2010 vs 1 January 2009)
Finer manufacturing process technology (32 vs 45 nm)
Less power hungry (18 vs 25 watts)
Enhanced SpeedStep (saves energy by managing CPU frequency and voltage in realtime. Supercedes SpeedStep)
MMX (MultiMedia Extensions - the very first (1996) SIMD instruction expansion for Intel desktop CPUs, works with 64-bit registers)
SSE (Streaming SIMD Instructions - a SIMD instruction extension working with 128-bit registers)
AES (Advanced Encryption Standard instructions set - hardware acceleration of AES encryption and decryption. Speeds up encryption software, e.g. Veracrypt)
x86-64 (a general name for 64-bit extension of x86 instruction set. There are AMD64 and Intel 64 versions that differ very little)
TXT (Trusted Execution Technology - protects the system against viruses and rootkits residing in BIOS or in a boot sector)
vPro (a marketing umbrella term for several Intel technologies: AMT, TXT, EDB, VT, Anti-Theft and some others)
Thermal Monitoring Technologies
So, Core 2 Duo P8700 or Core i7-640UM?
Technical City couldn't decide between Intel Core 2 Duo P8700 and Intel Core i7-640UM. The differences in performance seem too small.
Should you still have questions on choice between Core 2 Duo P8700 and Core i7-640UM, ask them in Comments section, and we shall answer.