Intel Celeron B815 vs Intel Pentium M 1.70

Comparative analysis of Intel Celeron B815 and Intel Pentium M 1.70 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 M 1.70

Differences

Reasons to consider the Intel Celeron B815

CPU is newer: launch date 8 year(s) 5 month(s) later
1 more cores, run more applications at once: 2 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 130 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 36% better performance in PassMark - Single thread mark: 705 vs 520
Around 80% better performance in PassMark - CPU mark: 731 vs 406

Specifications (specs)
Launch date	1 November 2011 vs June 2003
Number of cores	2 vs 1
Manufacturing process technology	32 nm vs 130 nm
L1 cache	64 KB (per core) vs 16 KB
Benchmarks
PassMark - Single thread mark	705 vs 520
PassMark - CPU mark	731 vs 406

Reasons to consider the Intel Pentium M 1.70

Around 6% higher clock speed: 1.7 GHz vs 1.6 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 40% lower typical power consumption: 24.5 Watt vs 35 Watt

Maximum frequency	1.7 GHz vs 1.6 GHz
L2 cache	1024 KB vs 256 KB (per core)
Thermal Design Power (TDP)	24.5 Watt vs 35 Watt

Compare benchmarks

CPU 1: Intel Celeron B815
CPU 2: Intel Pentium M 1.70

PassMark - Single thread mark

CPU 1

CPU 2

705

520

PassMark - CPU mark

CPU 1

CPU 2

731

406

Name	Intel Celeron B815	Intel Pentium M 1.70
PassMark - Single thread mark	705	520
PassMark - CPU mark	731	406
Geekbench 4 - Single Core	283
Geekbench 4 - Multi-Core	495

Compare specifications (specs)

	Intel Celeron B815	Intel Pentium M 1.70
Essentials
Architecture codename	Sandy Bridge	Banias
Launch date	1 November 2011	June 2003
Place in performance rating	2958	2955
Processor Number	B815
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	1.70 GHz
Bus Speed	5 GT/s DMI	400 MHz FSB
Die size	131 mm	83 mm2
L1 cache	64 KB (per core)	16 KB
L2 cache	256 KB (per core)	1024 KB
L3 cache	2048 KB
Manufacturing process technology	32 nm	130 nm
Maximum core temperature	100 °C	100°C
Maximum frequency	1.6 GHz	1.7 GHz
Number of cores	2	1
Number of threads	2
Transistor count	504 million	77 million
VID voltage range		0.956V-1.484V
Memory
Max memory channels	2
Maximum memory bandwidth	21.3 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2
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	1
Package Size	37.5mmx37.5mm (rPGA988B)	35mm x 35mm
Sockets supported	FCPGA988	PPGA478, H-PBGA479
Thermal Design Power (TDP)	35 Watt	24.5 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
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)