Intel Celeron B800 vs Intel Core 2 Duo T5550

Comparative analysis of Intel Celeron B800 and Intel Core 2 Duo T5550 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Celeron B800

Intel Core 2 Duo T5550

Differences

Reasons to consider the Intel Celeron B800

CPU is newer: launch date 3 year(s) 5 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
Around 3% better performance in PassMark - CPU mark: 657 vs 637
Around 7% better performance in Geekbench 4 - Single Core: 259 vs 243
Around 12% better performance in Geekbench 4 - Multi-Core: 460 vs 411

Specifications (specs)
Launch date	19 June 2011 vs 1 January 2008
Manufacturing process technology	32 nm vs 65 nm
Benchmarks
PassMark - CPU mark	657 vs 637
Geekbench 4 - Single Core	259 vs 243
Geekbench 4 - Multi-Core	460 vs 411

Reasons to consider the Intel Core 2 Duo T5550

Around 22% higher clock speed: 1.83 GHz vs 1.5 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 6% better performance in PassMark - Single thread mark: 680 vs 642

Specifications (specs)
Maximum frequency	1.83 GHz vs 1.5 GHz
L2 cache	2048 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	680 vs 642

Compare benchmarks

CPU 1: Intel Celeron B800
CPU 2: Intel Core 2 Duo T5550

PassMark - Single thread mark

CPU 1

CPU 2

642

680

PassMark - CPU mark

CPU 1

CPU 2

657

637

Geekbench 4 - Single Core

CPU 1

CPU 2

259

243

Geekbench 4 - Multi-Core

CPU 1

CPU 2

460

411

Name	Intel Celeron B800	Intel Core 2 Duo T5550
PassMark - Single thread mark	642	680
PassMark - CPU mark	657	637
Geekbench 4 - Single Core	259	243
Geekbench 4 - Multi-Core	460	411

Compare specifications (specs)

	Intel Celeron B800	Intel Core 2 Duo T5550
Essentials
Architecture codename	Sandy Bridge	Merom
Launch date	19 June 2011	1 January 2008
Launch price (MSRP)	$80
Place in performance rating	3041	3035
Processor Number	B800	T5550
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.50 GHz	1.83 GHz
Bus Speed	5 GT/s DMI	667 MHz FSB
Die size	131 mm	143 mm2
L1 cache	64 KB (per core)
L2 cache	512 KB	2048 KB
L3 cache	2048 KB
Manufacturing process technology	32 nm	65 nm
Maximum core temperature	100C	100°C
Maximum frequency	1.5 GHz	1.83 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	504 million	291 million
Front-side bus (FSB)		667 MHz
VID voltage range		1.075V-1.250V
Memory
Max memory channels	2
Maximum memory bandwidth	21.3 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3 1066/1333
Graphics
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.00 GHz
Graphics max frequency	1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	2
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mmx37.5mm (rPGA988B)	35mm x 35mm
Sockets supported	FCPGA988	PPGA478
Thermal Design Power (TDP)	35 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16, 2x8, 1x8 2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)