Intel Celeron 3965Y vs AMD Phenom II X2 N640

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Combined performance score

Phenom II X2 N640
0.93
+19.2%

Phenom II X2 N640 outperforms Celeron 3965Y by 19% in our combined benchmark results.

General info

Comparing Phenom II X2 N640 and Celeron 3965Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking23742492
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series2x AMD Phenom IIIntel Celeron
Architecture codenameChamplain (2010−2011)Kaby Lake (2016−2019)
Release date1 October 2010 (13 years old)21 April 2017 (6 years old)
Current priceno data$556

Technical specs

Phenom II X2 N640 and Celeron 3965Y 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)
Threads22
Base clock speedno data1.5 GHz
Boost clock speed2.9 GHz1.5 GHz
Bus support3600 MHzno data
L1 cache256 KB128 KB
L2 cache2 MB512 KB
L3 cacheno data2 MB
Chip lithography45 nm14 nm
Maximum core temperatureno data100 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Phenom II X2 N640 and Celeron 3965Y 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
SocketS1FCBGA1515
Power consumption (TDP)35 Watt6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 N640 and Celeron 3965Y. You'll probably need this information if you require some particular technology.

Instruction set extensionsDDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, VurtualizationIntel® SSE4.1, Intel® SSE4.2
AES-NIno data+
AVXno data+
VirusProtect+no data
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
TSXno data-
Idle Statesno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
SIPPno data-
Smart Responseno data+
Statusno dataDiscontinued

Security technologies

Phenom II X2 N640 and Celeron 3965Y technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
MPXno data+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 N640 and Celeron 3965Y are enumerated here.

AMD-Vno data+
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N640 and Celeron 3965Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3, DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data29.8 GB/s
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 615
Max video memoryno data16 GB
Quick Sync Videono data+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data850 MHz

Graphics interfaces

Available interfaces and connections of Phenom II X2 N640 and Celeron 3965Y integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPortno data+
HDMIno data+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Phenom II X2 N640 and Celeron 3965Y integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Phenom II X2 N640 and Celeron 3965Y integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.4

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 N640 and Celeron 3965Y.

PCIe versionno data3.0
PCI Express lanesno data10

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.

Phenom II X2 N640 0.93
+19.2%
Celeron 3965Y 0.78

Phenom II X2 N640 outperforms Celeron 3965Y by 19% in our combined benchmark results.


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.

Benchmark coverage: 42%

Phenom II X2 N640 342
+6.9%
Celeron 3965Y 320

Phenom II X2 N640 outperforms Celeron 3965Y by 7% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Phenom II X2 N640 623
+11.6%
Celeron 3965Y 558

Phenom II X2 N640 outperforms Celeron 3965Y by 12% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 0.93 0.78
Recency 1 October 2010 21 April 2017
Chip lithography 45 nm 14 nm
Power consumption (TDP) 35 Watt 6 Watt

The Phenom II X2 N640 is our recommended choice as it beats the Celeron 3965Y in performance tests.


Should you still have questions on choice between Phenom II X2 N640 and Celeron 3965Y, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Phenom II X2 N640
Phenom II X2 N640
Intel Celeron 3965Y
Celeron 3965Y

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