i7-2640M vs i7-2715QE

VS

Aggregate performance score

Core i7-2715QE
2011
4 cores / 8 threads, 45 Watt
2.03
+31%
Core i7-2640M
2011
2 cores / 4 threads, 35 Watt
1.55

Core i7-2715QE outperforms Core i7-2640M by a substantial 31% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2715QE and Core i7-2640M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19202130
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i7
Power efficiency4.274.19
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date3 January 2011 (13 years ago)4 September 2011 (13 years ago)
Launch price (MSRP)$378$346

Detailed specifications

Core i7-2715QE and Core i7-2640M 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)
Threads84
Base clock speed2.1 GHz2.8 GHz
Boost clock speed3 GHz3.5 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/s4 × 5 GT/s
Multiplier2128
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache6 MB (shared)4 MB
Chip lithography32 nm32 nm
Die size216 mm2149 mm2
Maximum core temperatureno data100 °C
Number of transistors1,160 million624 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2715QE and Core i7-2640M 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)1 (Uniprocessor)
SocketIntel BGA1023FCBGA1023,PPGA988
Power consumption (TDP)45 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2715QE and Core i7-2640M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI++
FMA++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-2715QE and Core i7-2640M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2715QE and Core i7-2640M are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2715QE and Core i7-2640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesunknown Dual-channelDDR3
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth25.598 GB/s228.707 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel HD Graphics 3000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-2715QE and Core i7-2640M integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-2715QE and Core i7-2640M.

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.

i7-2715QE 2.03
+31%
i7-2640M 1.55

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.

i7-2715QE 3221
+30.9%
i7-2640M 2461

Gaming performance

Pros & cons summary


Performance score 2.03 1.55
Recency 3 January 2011 4 September 2011
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 45 Watt 35 Watt

i7-2715QE has a 31% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i7-2640M, on the other hand, has an age advantage of 8 months, and 28.6% lower power consumption.

The Core i7-2715QE is our recommended choice as it beats the Core i7-2640M in performance tests.


Should you still have questions on choice between Core i7-2715QE and Core i7-2640M, ask them in Comments section, and we shall answer.

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Intel Core i7-2715QE
Core i7-2715QE
Intel Core i7-2640M
Core i7-2640M

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Community ratings

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