Intel Core 2 Duo E6550 vs Intel Pentium D 915

Comparative analysis of Intel Core 2 Duo E6550 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Duo E6550

Intel Pentium D 915

Differences

Reasons to consider the Intel Core 2 Duo E6550

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 14% higher maximum core temperature: 72°C vs 63.4°C
2.3x 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 72% better performance in PassMark - Single thread mark: 910 vs 528
Around 97% better performance in PassMark - CPU mark: 895 vs 454
Around 69% better performance in Geekbench 4 - Single Core: 303 vs 179
Around 72% better performance in Geekbench 4 - Multi-Core: 527 vs 307

Specifications (specs)
Launch date	July 2007 vs July 2006
Maximum core temperature	72°C vs 63.4°C
L1 cache	64 KB vs 28 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	910 vs 528
PassMark - CPU mark	895 vs 454
Geekbench 4 - Single Core	303 vs 179
Geekbench 4 - Multi-Core	527 vs 307

Reasons to consider the Intel Pentium D 915

Around 20% higher clock speed: 2.8 GHz vs 2.33 GHz

Maximum frequency	2.8 GHz vs 2.33 GHz
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Core 2 Duo E6550
CPU 2: Intel Pentium D 915

PassMark - Single thread mark

CPU 1

CPU 2

910

528

PassMark - CPU mark

CPU 1

CPU 2

895

454

Geekbench 4 - Single Core

CPU 1

CPU 2

303

179

Geekbench 4 - Multi-Core

CPU 1

CPU 2

527

307

Name	Intel Core 2 Duo E6550	Intel Pentium D 915
PassMark - Single thread mark	910	528
PassMark - CPU mark	895	454
Geekbench 4 - Single Core	303	179
Geekbench 4 - Multi-Core	527	307
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.261
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	18.666
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.077
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.371
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.88

Compare specifications (specs)

	Intel Core 2 Duo E6550	Intel Pentium D 915
Essentials
Architecture codename	Conroe	Presler
Launch date	July 2007	July 2006
Place in performance rating	3205	3191
Price now	$14.95
Processor Number	E6550	915
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	29.56
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.33 GHz	2.80 GHz
Bus Speed	1333 MHz FSB	800 MHz FSB
Die size	143 mm2	162 mm2
L1 cache	64 KB	28 KB
L2 cache	4096 KB	4096 KB
Manufacturing process technology	65 nm	65 nm
Maximum core temperature	72°C	63.4°C
Maximum frequency	2.33 GHz	2.8 GHz
Number of cores	2	2
Transistor count	291 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	PLGA775	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® 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)