Intel Celeron B815 vs Intel Pentium Dual Core T3400

Comparative analysis of Intel Celeron B815 and Intel Pentium Dual Core T3400 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 B815

Intel Pentium Dual Core T3400

Differences

Reasons to consider the Intel Celeron B815

CPU is newer: launch date 3 year(s) 1 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
Around 12% better performance in PassMark - CPU mark: 731 vs 653
Around 13% better performance in Geekbench 4 - Single Core: 283 vs 251
Around 11% better performance in Geekbench 4 - Multi-Core: 495 vs 447

Specifications (specs)
Launch date	1 November 2011 vs 1 October 2008
Manufacturing process technology	32 nm vs 65 nm
Benchmarks
PassMark - CPU mark	731 vs 653
Geekbench 4 - Single Core	283 vs 251
Geekbench 4 - Multi-Core	495 vs 447

Reasons to consider the Intel Pentium Dual Core T3400

Around 35% higher clock speed: 2.16 GHz vs 1.6 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 4% better performance in PassMark - Single thread mark: 732 vs 705

Specifications (specs)
Maximum frequency	2.16 GHz vs 1.6 GHz
L2 cache	1024 KB vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	732 vs 705

Compare benchmarks

CPU 1: Intel Celeron B815
CPU 2: Intel Pentium Dual Core T3400

PassMark - Single thread mark

CPU 1

CPU 2

705

732

PassMark - CPU mark

CPU 1

CPU 2

731

653

Geekbench 4 - Single Core

CPU 1

CPU 2

283

251

Geekbench 4 - Multi-Core

CPU 1

CPU 2

495

447

Name	Intel Celeron B815	Intel Pentium Dual Core T3400
PassMark - Single thread mark	705	732
PassMark - CPU mark	731	653
Geekbench 4 - Single Core	283	251
Geekbench 4 - Multi-Core	495	447

Compare specifications (specs)

	Intel Celeron B815	Intel Pentium Dual Core T3400
Essentials
Architecture codename	Sandy Bridge	Merom
Launch date	1 November 2011	1 October 2008
Place in performance rating	2959	2969
Processor Number	B815	T3400
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Pentium® Processor
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.60 GHz	2.16 GHz
Bus Speed	5 GT/s DMI	667 MHz FSB
Die size	131 mm	143 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)	1024 KB
L3 cache	2048 KB
Manufacturing process technology	32 nm	65 nm
Maximum core temperature	100 °C	100°C
Maximum frequency	1.6 GHz	2.16 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-1.175V
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	1.05 GHz
Graphics max frequency	1.05 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)
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
4G WiMAX Wireless
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® My WiFi 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)