Athlon X4 750 vs i5-661

VS

Aggregate performance score

Core i5-661
2010
2 cores / 4 threads, 87 Watt
1.56
Athlon X4 750
2013
4 cores / 4 threads, 65 Watt
1.65
+5.8%

Athlon X4 750 outperforms Core i5-661 by a small 6% based on our aggregate benchmark results.

Primary details

Comparing Core i5-661 and Athlon X4 750 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21242082
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.12no data
Market segmentDesktop processorDesktop processor
Power efficiency1.702.40
Architecture codenameClarkdale (2010−2011)Richland (2013−2014)
Release date7 January 2010 (14 years ago)October 2013 (11 years ago)
Launch price (MSRP)$252no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-661 and Athlon X4 750 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)4 (Quad-Core)
Threads44
Base clock speed3.33 GHz3.4 GHz
Boost clock speed3.6 GHz4 GHz
Bus rate2.5 GT/sno data
L1 cache64 KB (per core)192K
L2 cache256 KB (per core)4 MB
L3 cache4 MB (shared)no data
Chip lithography32 nm32 nm
Die size81 mm2246 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)no data74 °C
Number of transistors382 million1,303 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Core i5-661 and Athlon X4 750 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
SocketFCLGA1156FM2
Power consumption (TDP)87 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-661 and Athlon X4 750. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI++
FMA-+
AVX-+
PowerNow-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching-no data
PAE36 Bitno data
FDI+no data

Security technologies

Core i5-661 and Athlon X4 750 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-661 and Athlon X4 750 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-661 and Athlon X4 750. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866
Maximum memory size16.38 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Previous Generation Intel Processorsno data
Clear Video HD+no data

Graphics interfaces

Available interfaces and connections of Core i5-661 and Athlon X4 750 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i5-661 and Athlon X4 750.

PCIe version2.02.0
PCI Express lanes16no 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.

i5-661 1.56
Athlon X4 750 1.65
+5.8%

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.

i5-661 2471
Athlon X4 750 2625
+6.2%

Gaming performance

Pros & cons summary


Performance score 1.56 1.65
Physical cores 2 4
Power consumption (TDP) 87 Watt 65 Watt

Athlon X4 750 has a 5.8% higher aggregate performance score, 100% more physical cores, and 33.8% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i5-661 and Athlon X4 750.


Should you still have questions on choice between Core i5-661 and Athlon X4 750, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i5-661
Core i5-661
AMD Athlon X4 750
Athlon X4 750

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


4.6 196 votes

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Questions & comments

Here you can ask a question about Core i5-661 or Athlon X4 750, agree or disagree with our judgements, or report an error or mismatch.