Intel Celeron E1400 vs Intel Pentium D 915

Comparative analysis of Intel Celeron E1400 and Intel Pentium D 915 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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 E1400

Intel Pentium D 915

Differences

Reasons to consider the Intel Celeron E1400

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 16% higher maximum core temperature: 73.3°C vs 63.4°C
4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 42% better performance in PassMark - Single thread mark: 758 vs 532
Around 60% better performance in PassMark - CPU mark: 735 vs 459
Around 20% better performance in Geekbench 4 - Single Core: 214 vs 179
Around 27% better performance in Geekbench 4 - Multi-Core: 389 vs 307

Specifications (specs)
Launch date	April 2008 vs July 2006
Maximum core temperature	73.3°C vs 63.4°C
L1 cache	64 KB (per core) vs 28 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	758 vs 532
PassMark - CPU mark	735 vs 459
Geekbench 4 - Single Core	214 vs 179
Geekbench 4 - Multi-Core	389 vs 307

Reasons to consider the Intel Pentium D 915

Around 40% higher clock speed: 2.8 GHz vs 2 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum frequency	2.8 GHz vs 2 GHz
L2 cache	4096 KB vs 512 KB (shared)
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Celeron E1400
CPU 2: Intel Pentium D 915

PassMark - Single thread mark

CPU 1

CPU 2

758

532

PassMark - CPU mark

CPU 1

CPU 2

735

459

Geekbench 4 - Single Core

CPU 1

CPU 2

214

179

Geekbench 4 - Multi-Core

CPU 1

CPU 2

389

307

Name	Intel Celeron E1400	Intel Pentium D 915
PassMark - Single thread mark	758	532
PassMark - CPU mark	735	459
Geekbench 4 - Single Core	214	179
Geekbench 4 - Multi-Core	389	307

Compare specifications (specs)

	Intel Celeron E1400	Intel Pentium D 915
Essentials
Architecture codename	Conroe	Presler
Launch date	April 2008	July 2006
Launch price (MSRP)	$57
Place in performance rating	3000	3194
Price now	$89.95
Processor Number	E1400	915
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	3.43
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.00 GHz	2.80 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	77 mm2	162 mm2
L1 cache	64 KB (per core)	28 KB
L2 cache	512 KB (shared)	4096 KB
Manufacturing process technology	65 nm	65 nm
Maximum core temperature	73.3°C	63.4°C
Maximum frequency	2 GHz	2.8 GHz
Number of cores	2	2
Transistor count	105 million	376 million
VID voltage range	0.8500V-1.5V	1.200V-1.3375V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775	PLGA775
Thermal Design Power (TDP)	65 Watt	95 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Thermal Monitoring
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)