Core i7-640M vs Core 2 Extreme QX9770

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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

Aggregate performance score

Core 2 Extreme QX9770
2008
4 cores / 4 threads, 136 Watt
2.90
+123%
Core i7-640M
2010
2 cores / 4 threads, 35 Watt
1.30

Core 2 Extreme QX9770 outperforms Core i7-640M by a whopping 123% based on our aggregate benchmark results.

Contents

Core 2 Extreme QX9770 Core 2 Extreme QX9770
i7-640M i7-640M

Primary details

Comparing Core 2 Extreme QX9770 and Core i7-640M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16582265
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiency2.023.52
Architecture codenameYorkfield (2007−2009)Arrandale (2010−2011)
Release dateMarch 2008 (16 years ago)1 September 2010 (14 years ago)
Launch price (MSRP)no data$346

Detailed specifications

Core 2 Extreme QX9770 and Core i7-640M 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 cores4 (Quad-Core)2 (Dual-core)
Threads44
Base clock speed3.2 GHz2.8 GHz
Boost clock speed3.2 GHz3.46 GHz
Bus typeno dataDMI 1.0
Bus rate1600 MHz1 × 2.5 GT/s
Multiplierno data21
L1 cache64K (per core)64K (per core)
L2 cache12 MB (shared)256K (per core)
L3 cache0 KB4 MB (shared)
Chip lithography45 nm32 nm
Die size2x 107 mm281+114 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)55 °Cno data
Number of transistors820 million384 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Extreme QX9770 and Core i7-640M 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 configuration11 (Uniprocessor)
SocketLGA775BGA1288,PGA988
Power consumption (TDP)136 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9770 and Core i7-640M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI-+
FMA-+
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-+
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching-no data
PAEno data36 Bit
FDIno data+
Fast Memory Accessno data+
FSB parity-no data

Security technologies

Core 2 Extreme QX9770 and Core i7-640M technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9770 and Core i7-640M are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9770 and Core i7-640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data8 GB
Max memory channelsno data2
Maximum memory bandwidthno data17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® HD Graphics for Previous Generation Intel® Processors
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data766 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX9770 and Core i7-640M integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9770 and Core i7-640M.

PCIe versionno data2.0
PCI Express lanesno data16

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.

Core 2 Extreme QX9770 2.90
+123%
i7-640M 1.30

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Extreme QX9770 4611
+123%
i7-640M 2070

Gaming performance

Pros & cons summary

Performance score 2.90 1.30
Physical cores 4 2
Chip lithography 45 nm 32 nm
Power consumption (TDP) 136 Watt 35 Watt

Core 2 Extreme QX9770 has a 123.1% higher aggregate performance score, and 100% more physical cores.

i7-640M, on the other hand, has a 40.6% more advanced lithography process, and 288.6% lower power consumption.

The Core 2 Extreme QX9770 is our recommended choice as it beats the Core i7-640M in performance tests.

Note that Core 2 Extreme QX9770 is a desktop processor while Core i7-640M is a notebook one.

Should you still have questions on choice between Core 2 Extreme QX9770 and Core i7-640M, 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 2 Extreme QX9770
Core 2 Extreme QX9770
Intel Core i7-640M
Core i7-640M
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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.

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Athlon XP 1800+ Athlon XP 1800+
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Xeon E-2434 Xeon E 2434
Phenom II X2 555 BE Phenom II X2 555 BE
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Pentium B950 Pentium B950

Community ratings

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

3.7 241 vote

Rate Core 2 Extreme QX9770 on a scale of 1 to 5:

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4.2 523 votes

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

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Questions & comments

Here you can ask a question about Core 2 Extreme QX9770 or Core i7-640M, agree or disagree with our judgements, or report an error or mismatch.