Core 2 Duo T5550 vs Celeron 3855U

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Aggregate performance score

Celeron 3855U
2015
2 cores / 2 threads, 15 Watt
0.77
+92.5%
Core 2 Duo T5550
2008
2 cores / 2 threads, 35 Watt
0.40

Celeron 3855U outperforms Core 2 Duo T5550 by an impressive 93% based on our aggregate benchmark results.

Primary details

Comparing Celeron 3855U and Core 2 Duo T5550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26523001
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Core 2 Duo
Power efficiency4.851.11
Architecture codenameSkylake (2015−2016)Merom (2006−2008)
Release date15 August 2015 (9 years ago)1 January 2008 (16 years ago)
Launch price (MSRP)$107no data

Detailed specifications

Celeron 3855U and Core 2 Duo T5550 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 speed1.6 GHz1.83 GHz
Boost clock speed1.6 GHz1.83 GHz
Bus typeOPIno data
Bus rate4 GT/s667 MHz
Multiplier16no data
L1 cache128 KBno data
L2 cache512 KB2 MB
L3 cache2 MB2 MB L2 Cache
Chip lithography14 nm65 nm
Die size98.57 mm2143 mm2
Maximum core temperature100 °C100 °C
Number of transistors1750 Million291 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.075V-1.25V

Compatibility

Information on Celeron 3855U and Core 2 Duo T5550 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 configuration1 (Uniprocessor)no data
SocketFCBGA1356PPGA478
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3855U and Core 2 Duo T5550. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+-
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Celeron 3855U and Core 2 Duo T5550 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3855U and Core 2 Duo T5550 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3855U and Core 2 Duo T5550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 510no data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency900 MHzno data

Graphics interfaces

Available interfaces and connections of Celeron 3855U and Core 2 Duo T5550 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Celeron 3855U and Core 2 Duo T5550 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Celeron 3855U and Core 2 Duo T5550 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3855U and Core 2 Duo T5550.

PCIe version2.0no data
PCI Express lanes10no 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.

Celeron 3855U 0.77
+92.5%
Core 2 Duo T5550 0.40

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.

Celeron 3855U 1219
+89.9%
Core 2 Duo T5550 642

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.

Celeron 3855U 315
+38.8%
Core 2 Duo T5550 227

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.

Celeron 3855U 538
+31.2%
Core 2 Duo T5550 410

Gaming performance

Pros & cons summary


Performance score 0.77 0.40
Recency 15 August 2015 1 January 2008
Chip lithography 14 nm 65 nm
Power consumption (TDP) 15 Watt 35 Watt

Celeron 3855U has a 92.5% higher aggregate performance score, an age advantage of 7 years, a 364.3% more advanced lithography process, and 133.3% lower power consumption.

The Celeron 3855U is our recommended choice as it beats the Core 2 Duo T5550 in performance tests.


Should you still have questions on choice between Celeron 3855U and Core 2 Duo T5550, ask them in Comments section, and we shall answer.

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Intel Celeron 3855U
Celeron 3855U
Intel Core 2 Duo T5550
Core 2 Duo T5550

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Community ratings

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Questions & comments

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