Core i5-580M vs Core 2 Duo T9900

Aggregate performance score

Core 2 Duo T9900
2009
2 cores / 2 threads, 35 Watt
0.75
Core i5-580M
2010
2 cores / 4 threads, 35 Watt
1.23
+64%

Core i5-580M outperforms Core 2 Duo T9900 by an impressive 64% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T9900 and Core i5-580M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26692327
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Core i5
Power efficiency2.033.32
Architecture codenamePenryn (2008−2011)Arrandale (2010−2011)
Release date2 June 2009 (15 years ago)26 September 2010 (14 years ago)
Launch price (MSRP)$530$266

Detailed specifications

Core 2 Duo T9900 and Core i5-580M 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 speed3.06 GHz2.66 GHz
Boost clock speed0.07 GHz3.33 GHz
Bus typeno dataDMI 1.0
Bus rate1066 MHz1 × 2.5 GT/s
Multiplierno data20
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)256K (per core)
L3 cache6 MB L2 Cache3 MB (shared)
Chip lithography45 nm32 nm
Die size107 mm281+114 mm2
Maximum core temperature105 °C105 °C
Number of transistors410 million382+177 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.2125Vno data

Compatibility

Information on Core 2 Duo T9900 and Core i5-580M 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)
SocketBGA479,PGA478BGA1288,PGA988
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and Core i5-580M. 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 Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switching-no data
PAEno data36 Bit
FDIno data+
Fast Memory Accessno data+

Security technologies

Core 2 Duo T9900 and Core i5-580M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9900 and Core i5-580M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and Core i5-580M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2, 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 cardOn certain motherboards (Chipset feature)Intel 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 T9900 and Core i5-580M integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T9900 and Core i5-580M.

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 T9900 0.75
i5-580M 1.23
+64%

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 T9900 1189
i5-580M 1950
+64%

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 T9900 399
i5-580M 449
+12.5%

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 T9900 641
i5-580M 832
+29.8%

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 T9900 3538
+0.5%
i5-580M 3519

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 T9900 7094
i5-580M 7666
+8.1%

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 T9900 2787
i5-580M 3174
+13.9%

Gaming performance

Pros & cons summary


Performance score 0.75 1.23
Recency 2 June 2009 26 September 2010
Threads 2 4
Chip lithography 45 nm 32 nm

i5-580M has a 64% higher aggregate performance score, an age advantage of 1 year, 100% more threads, and a 40.6% more advanced lithography process.

The Core i5-580M is our recommended choice as it beats the Core 2 Duo T9900 in performance tests.


Should you still have questions on choice between Core 2 Duo T9900 and Core i5-580M, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo T9900
Core 2 Duo T9900
Intel Core i5-580M
Core i5-580M

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Community ratings

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


4.3 136 votes

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Questions & comments

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