Intel Celeron B800 vs Intel Core 2 Duo T7100

Comparative analysis of Intel Celeron B800 and Intel Core 2 Duo T7100 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 T7100

Differences

Reasons to consider the Intel Celeron B800

CPU is newer: launch date 4 year(s) 1 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 8% better performance in PassMark - CPU mark: 652 vs 604
Around 7% better performance in Geekbench 4 - Single Core: 259 vs 241
Around 19% better performance in Geekbench 4 - Multi-Core: 460 vs 388

Specifications (specs)
Launch date	19 June 2011 vs 9 May 2007
Manufacturing process technology	32 nm vs 65 nm
L1 cache	64 KB (per core) vs 64 KB
Benchmarks
PassMark - CPU mark	652 vs 604
Geekbench 4 - Single Core	259 vs 241
Geekbench 4 - Multi-Core	460 vs 388

Reasons to consider the Intel Core 2 Duo T7100

Around 20% higher clock speed: 1.8 GHz vs 1.5 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 8% better performance in PassMark - Single thread mark: 688 vs 637

Specifications (specs)
Maximum frequency	1.8 GHz vs 1.5 GHz
L2 cache	2048 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	688 vs 637

Compare benchmarks

CPU 1: Intel Celeron B800
CPU 2: Intel Core 2 Duo T7100

PassMark - Single thread mark

CPU 1

CPU 2

637

688

PassMark - CPU mark

CPU 1

CPU 2

652

604

Geekbench 4 - Single Core

CPU 1

CPU 2

259

241

Geekbench 4 - Multi-Core

CPU 1

CPU 2

460

388

Name	Intel Celeron B800	Intel Core 2 Duo T7100
PassMark - Single thread mark	637	688
PassMark - CPU mark	652	604
Geekbench 4 - Single Core	259	241
Geekbench 4 - Multi-Core	460	388

Compare specifications (specs)

	Intel Celeron B800	Intel Core 2 Duo T7100
Essentials
Architecture codename	Sandy Bridge	Merom
Launch date	19 June 2011	9 May 2007
Launch price (MSRP)	$80	$197
Place in performance rating	3042	3036
Processor Number	B800	T7100
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Price now		$21.99
Value for money (0-100)		13.62
Performance
64 bit support
Base frequency	1.50 GHz	1.80 GHz
Bus Speed	5 GT/s DMI	800 MHz FSB
Die size	131 mm	143 mm2
L1 cache	64 KB (per core)	64 KB
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	1.8 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	504 million	291 million
Front-side bus (FSB)		800 MHz
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	1
Package Size	37.5mmx37.5mm (rPGA988B)	35mm x 35mm
Sockets supported	FCPGA988	PPGA478, PBGA479
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)