Core i5-520M vs Core 2 Duo E6850

Aggregate performance score

Core 2 Duo E6850
2 cores / 2 threads, 65 Watt
0.71
Core i5-520M
2010
2 cores / 4 threads, 35 Watt
1.08
+52.1%

Core i5-520M outperforms Core 2 Duo E6850 by an impressive 52% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo (Desktop) E6850 and Core i5-520M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26952408
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Duo (Desktop)Intel Core i5
Power efficiency1.032.92
Architecture codenameConroe (2006−2007)Arrandale (2010−2011)
Release dateno data (2024 years ago)7 January 2010 (14 years ago)
Launch price (MSRP)no data$225

Detailed specifications

Core 2 Duo (Desktop) E6850 and Core i5-520M 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)2 (Dual-core)
Threads24
Base clock speedno data2.4 GHz
Boost clock speed3 GHz2.93 GHz
Bus typeno dataDMI 1.0
Bus rate1333 MHz1 × 2.5 GT/s
Multiplierno data18
L1 cacheno data128 KB
L2 cacheno data512 KB
L3 cacheno data3 MB
Chip lithography65 nm32 nm
Die sizeno data81+114 mm2
Maximum core temperatureno data105 °C
Number of transistorsno data382+177 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core 2 Duo (Desktop) E6850 and Core i5-520M 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 configurationno data1 (Uniprocessor)
Socketno dataBGA1288,PGA988
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6850 and Core i5-520M. 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)no data+
Turbo Boost Technologyno data+
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
PAEno data36 Bit
FDIno data+
Fast Memory Accessno data+

Security technologies

Core 2 Duo (Desktop) E6850 and Core i5-520M technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo (Desktop) E6850 and Core i5-520M are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo (Desktop) E6850 and Core i5-520M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3-800, DDR3-1066
Maximum memory sizeno data8.3 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 Duo (Desktop) E6850 and Core i5-520M integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo (Desktop) E6850 and Core i5-520M.

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 Duo E6850 0.71
i5-520M 1.08
+52.1%

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 Duo E6850 1130
i5-520M 1716
+51.9%

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.

Core 2 Duo E6850 332
i5-520M 363
+9.3%

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.

Core 2 Duo E6850 559
i5-520M 700
+25.2%

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.

Core 2 Duo E6850 3057
+0.4%
i5-520M 3046

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.

Core 2 Duo E6850 5830
i5-520M 6753
+15.8%

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.

Core 2 Duo E6850 2661
i5-520M 2729
+2.5%

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.

Core 2 Duo E6850 51
i5-520M 19.99
+155%

Gaming performance

Pros & cons summary


Performance score 0.71 1.08
Threads 2 4
Chip lithography 65 nm 32 nm
Power consumption (TDP) 65 Watt 35 Watt

i5-520M has a 52.1% higher aggregate performance score, 100% more threads, a 103.1% more advanced lithography process, and 85.7% lower power consumption.

The Core i5-520M is our recommended choice as it beats the Core 2 Duo E6850 in performance tests.

Note that Core 2 Duo E6850 is a desktop processor while Core i5-520M is a notebook one.


Should you still have questions on choice between Core 2 Duo E6850 and Core i5-520M, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E6850
Core 2 Duo E6850
Intel Core i5-520M
Core i5-520M

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Community ratings

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Questions & comments

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