i3-3217U vs i7-840QM

VS

Aggregate performance score

Core i7-840QM
2010
4 cores / 8 threads, 45 Watt
1.23
+59.7%
Core i3-3217U
2012
2 cores / 4 threads, 17 Watt
0.77

Core i7-840QM outperforms Core i3-3217U by an impressive 60% based on our aggregate benchmark results.

Primary details

Comparing Core i7-840QM and Core i3-3217U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23262646
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i3
Power efficiency2.594.29
Architecture codenameClarksfield (2009−2010)Ivy Bridge (2012−2013)
Release date20 June 2010 (14 years ago)1 June 2012 (12 years ago)
Launch price (MSRP)$568$225

Detailed specifications

Core i7-840QM and Core i3-3217U 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 speed1.86 GHz1.8 GHz
Boost clock speed3.2 GHz1.8 GHz
Bus typeDMI 1.0no data
Bus rate2.5 GT/s5 GT/s
Multiplier14no data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8 MB (shared)3 MB (shared)
Chip lithography45 nm22 nm
Die size296 mm2118 mm2
Maximum core temperature100 °C105 °C
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-840QM and Core i3-3217U 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
SocketFCPGA988,PGA988FCBGA1023
Power consumption (TDP)45 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Core i3-3217U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® AVX
AVX-+
vPro+-
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology+-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switchingno data-
PAE36 Bitno data
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-840QM and Core i3-3217U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Core i3-3217U are enumerated here.

VT-d+-
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Core i3-3217U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3/L/-RS 1333/1600
Maximum memory size8 GB32 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneIntel HD Graphics 4000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-840QM and Core i3-3217U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Core i3-3217U.

PCIe version22.0
PCI Express lanes1616

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.

i7-840QM 1.23
+59.7%
i3-3217U 0.77

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.

i7-840QM 1952
+59.2%
i3-3217U 1226

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-840QM 386
+31.7%
i3-3217U 293

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-840QM 1044
+68.7%
i3-3217U 619

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-840QM 3439
+38.8%
i3-3217U 2477

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.

i7-840QM 9266
+71.8%
i3-3217U 5394

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-840QM 3532
+58.4%
i3-3217U 2229

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.

i7-840QM 40
i3-3217U 30.76
+30%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-840QM 3
+86%
i3-3217U 2

Gaming performance

Pros & cons summary


Performance score 1.23 0.77
Recency 20 June 2010 1 June 2012
Physical cores 4 2
Threads 8 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 45 Watt 17 Watt

i7-840QM has a 59.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i3-3217U, on the other hand, has an age advantage of 1 year, a 104.5% more advanced lithography process, and 164.7% lower power consumption.

The Core i7-840QM is our recommended choice as it beats the Core i3-3217U in performance tests.


Should you still have questions on choice between Core i7-840QM and Core i3-3217U, ask them in Comments section, and we shall answer.

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Intel Core i7-840QM
Core i7-840QM
Intel Core i3-3217U
Core i3-3217U

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Community ratings

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Questions & comments

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