Core 2 Duo T6600 vs Athlon II X4 645

VS

Aggregate performance score

Athlon II X4 645
2010
4 cores / 4 threads, 95 Watt
1.48
+196%
Core 2 Duo T6600
2009
2 cores / 2 threads, 35 Watt
0.50

Athlon II X4 645 outperforms Core 2 Duo T6600 by a whopping 196% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 645 and Core 2 Duo T6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21672894
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.30no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core 2 Duo
Power efficiency1.471.35
Architecture codenamePropus (2009−2011)Penryn (2008−2011)
Release date21 September 2010 (14 years ago)6 January 2009 (15 years ago)
Launch price (MSRP)$80no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 645 and Core 2 Duo T6600 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)
Threads42
Base clock speed3.1 GHz2.2 GHz
Boost clock speed3.1 GHz2.2 GHz
Bus rateno data800 MHz
L1 cache128 KB (per core)128 KB
L2 cache512 KB (per core)2 MB
L3 cache0 KB2 MB L2 Cache
Chip lithography45 nm45 nm
Die size169 mm2107 mm2
Maximum core temperatureno data90 °C
Number of transistors300 million410 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1V-1.25V

Compatibility

Information on Athlon II X4 645 and Core 2 Duo T6600 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 configuration1no data
SocketAM3PGA478
Power consumption (TDP)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 645 and Core 2 Duo T6600. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Athlon II X4 645 and Core 2 Duo T6600 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 645 and Core 2 Duo T6600 are enumerated here.

VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and Core 2 Duo T6600. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 645 and Core 2 Duo T6600.

PCIe version2.0no data

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.

Athlon II X4 645 1.48
+196%
Core 2 Duo T6600 0.50

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.

Athlon II X4 645 2351
+196%
Core 2 Duo T6600 793

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.

Athlon II X4 645 320
+24.5%
Core 2 Duo T6600 257

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.

Athlon II X4 645 969
+139%
Core 2 Duo T6600 405

Gaming performance

Pros & cons summary


Performance score 1.48 0.50
Recency 21 September 2010 6 January 2009
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 35 Watt

Athlon II X4 645 has a 196% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores and 100% more threads.

Core 2 Duo T6600, on the other hand, has 171.4% lower power consumption.

The Athlon II X4 645 is our recommended choice as it beats the Core 2 Duo T6600 in performance tests.

Note that Athlon II X4 645 is a desktop processor while Core 2 Duo T6600 is a notebook one.


Should you still have questions on choice between Athlon II X4 645 and Core 2 Duo T6600, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 645
Athlon II X4 645
Intel Core 2 Duo T6600
Core 2 Duo T6600

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Community ratings

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Questions & comments

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