Phenom II X3 P840 vs i7-640M

#ad 
Buy on Amazon
Core i3-330M Core i3-350M Core i3-370M Core i3-380M Core i5-430M Core i5-460M Core i5-480M Core i5-520M Core i5-560M Core i7-620M Core i7-640M Pentium P6200
VS
Athlon II P320 Athlon II P340 Athlon II P360 Phenom II X3 N830 Phenom II X4 N930 Phenom II X4 N970 Phenom II X4 P960 Turion II P520 Turion II P540 V-Series V120 V-Series V140 V-Series V160

Aggregate performance score

Core i7-640M
2010
2 cores / 4 threads, 35 Watt
1.30
+58.5%
Phenom II X3 P840
2010
3 cores / 3 threads, 25 Watt
0.82

Core i7-640M outperforms Phenom II X3 P840 by an impressive 59% based on our aggregate benchmark results.

Contents

i7-640M i7-640M
Phenom II X3 P840 Phenom II X3 P840

Primary details

Comparing Core i7-640M and Phenom II X3 P840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22652582
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i73x AMD Phenom II
Power efficiency3.523.10
Architecture codenameArrandale (2010−2011)Champlain (2010−2011)
Release date1 September 2010 (14 years ago)4 October 2010 (14 years ago)
Launch price (MSRP)$346no data

Detailed specifications

Core i7-640M and Phenom II X3 P840 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 cores2 (Dual-core)3 (Tri-Core)
Threads43
Base clock speed2.8 GHzno data
Boost clock speed3.46 GHz1.9 GHz
Bus typeDMI 1.0no data
Bus rate1 × 2.5 GT/s3600 MHz
Multiplier21no data
L1 cache64K (per core)384 KB
L2 cache256K (per core)1.5 MB
L3 cache4 MB (shared)no data
Chip lithography32 nm45 nm
Die size81+114 mm2no data
Maximum core temperature105 °Cno data
Number of transistors384 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-640M and Phenom II X3 P840 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 configuration1 (Uniprocessor)no data
SocketBGA1288,PGA988S1
Power consumption (TDP)35 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and Phenom II X3 P840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)
AES-NI+-
FMA+-
VirusProtect-+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
PAE36 Bitno data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-640M and Phenom II X3 P840 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640M and Phenom II X3 P840 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Phenom II X3 P840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth17.051 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for Previous Generation Intel® Processorsno data
Clear Video+no data
Clear Video HD+no data
Graphics max frequency766 MHzno data

Graphics interfaces

Available interfaces and connections of Core i7-640M and Phenom II X3 P840 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and Phenom II X3 P840.

PCIe version2.0no data
PCI Express lanes16no data

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.

i7-640M 1.30
+58.5%
Phenom II X3 P840 0.82

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.

i7-640M 7906
+78.7%
Phenom II X3 P840 4425

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-640M 17.62
+57.2%
Phenom II X3 P840 27.7

Gaming performance

Pros & cons summary

Performance score 1.30 0.82
Recency 1 September 2010 4 October 2010
Physical cores 2 3
Threads 4 3
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 25 Watt

i7-640M has a 58.5% higher aggregate performance score, 33.3% more threads, and a 40.6% more advanced lithography process.

Phenom II X3 P840, on the other hand, has an age advantage of 1 month, 50% more physical cores, and 40% lower power consumption.

The Core i7-640M is our recommended choice as it beats the Phenom II X3 P840 in performance tests.

Should you still have questions on choice between Core i7-640M and Phenom II X3 P840, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

Intel Core i7-640M
Core i7-640M
AMD Phenom II X3 P840
Phenom II X3 P840
Like
Like

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

i7-640M Core i7 640M
vs
i5-2435M Core i5 2435M
Phenom II X3 P840 Phenom II X3 P840
vs
Phenom II X2 N620 Phenom II X2 N620
i7-640M Core i7 640M
vs
i7-610E Core i7 610E
Xeon E5-2420 v2 Xeon E5 2420 v2
vs
i5-10600 Core i5 10600
Core 2 Duo T9300 Core 2 Duo T9300
vs
Celeron Dual-Core T1500 Celeron Dual Core T1500
Core 2 Duo T9300 Core 2 Duo T9300
vs
Duo T2050 Core Duo T2050
i3-4160 Core i3 4160
vs
Pentium Gold 4415U Pentium Gold 4415U
V-Series V105 V Series V105
vs
Atom N2600 Atom N2600
Core 2 Solo SU3500 Core 2 Solo SU3500
vs
Atom D525 Atom D525
Xeon E3-1245 v2 Xeon E3 1245 v2
vs
Ryzen 3 PRO 4450U Ryzen 3 PRO 4450U
i5-2320 Core i5 2320
vs
Celeron 430 Celeron 430
i7-4700MQ Core i7 4700MQ
vs
Celeron N4100 Celeron N4100
Xeon E3-1275 v2 Xeon E3 1275 v2
vs
Pentium G2120 Pentium G2120

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.

4.2 523 votes

Rate Core i7-640M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 21 vote

Rate Phenom II X3 P840 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-640M or Phenom II X3 P840, agree or disagree with our judgements, or report an error or mismatch.