Intel Core 2 Duo P8700 vs Core i7-640UM

Intel Core 2 Duo P8700
Intel Core i7-640UM

General info

Comparing Core 2 Duo P8700 and Core i7-640UM processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
12.77
 
n/d
Type
Laptop
 
Laptop
Series
Intel Core 2 Duo
 
Intel Core i7
Achitecture codename
Penryn
 
Arrandale
Release date
1 January 2009
 
4 January 2010
Launch price (MSRP)
$209
 
$305
Price now
$38
 
n/d

Technical specs

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
2
 
2
Number of threads
2
 
4
Maximum frequency
2.53 GHz
 
2.27 GHz
Bus support
1066 MHz
 
2500 MHz
L1 cache
n/d
 
128 KB
L2 cache
3072 KB
 
512 KB
L3 cache
n/d
 
4 MB
Manufacturing process technology
45 nm
 
32 nm
Die size
107 mm2
 
81+114 mm2
Maximum core temperature
n/d
 
105 °C
Transistor count
410 Million
 
382+177 Million
64 bit support
+
 
+

Compatibility

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
n/d
 
1
Socket
BGA479, PGA478
 
BGA1288
Power consumption (TDP)
25 Watt
 
18 Watt

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
n/d
 
Intel® SSE4.1, Intel® SSE4.2
AES-NI
-
 
+
FMA
-
 
+
vPro
n/d
 
+
Enhanced SpeedStep (EIST)
n/d
 
+
Turbo Boost
n/d
 
+
Hyper-Threading
n/d
 
+
Idle States
n/d
 
+
Thermal Monitoring
-
 
+
Flex Memory Access
n/d
 
+
PAE
n/d
 
36 Bit
FDI
n/d
 
+
Fast Memory Access
n/d
 
+

Security technologies

Core 2 Duo P8700 and Core i7-640UM technologies aimed at raising security, for example, by protecting against hacks.
TXT
n/d
 
+
EDB
n/d
 
+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P8700 and Core i7-640UM are enumerated here.
VT-d
n/d
 
+
VT-x
n/d
 
+
EPT
n/d
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Core 2 Duo P8700 and Core i7-640UM.
Supported memory types
n/d
 
DDR3-800
Maximum memory size
n/d
 
8 GB
Max memory channels
n/d
 
2
Maximum memory bandwidth
n/d
 
12.8 GB / s

Graphics specifications

General parameters of GPUs integrated into Core 2 Duo P8700 and Core i7-640UM.
Integrated graphics
n/d
 
HD Graphics (Ironlake)
Clear Video
n/d
 
+
Clear Video HD
n/d
 
+
Graphics max frequency
n/d
 
500 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo P8700 and Core i7-640UM integrated GPUs.
Number of displays supported
n/d
 
2

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo P8700 and Core i7-640UM.
PCIe revision
n/d
 
2.0
Max number of PCIe lanes
n/d
 
16

Benchmark performance

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%

Passmark

2 Duo P8700 1624
i7-640UM 1638 +0.9%

Gaming performance

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)
FMA4
AES-NI save
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.

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