Intel Core i7-860S vs Intel Core i7-940

Comparative analysis of Intel Core i7-860S and Intel Core i7-940 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-860S

Intel Core i7-940

Differences

Reasons to consider the Intel Core i7-860S

CPU is newer: launch date 1 year(s) 2 month(s) later
Around 8% higher clock speed: 3.46 GHz vs 3.20 GHz
Around 59% lower typical power consumption: 82 Watt vs 130 Watt
Around 79% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.907 vs 0.508
Around 43% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 46.184 vs 32.258
Around 46% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.278 vs 0.191
Around 45% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.222 vs 0.84
Around 16% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.716 vs 2.347

Specifications (specs)
Launch date	January 2010 vs November 2008
Maximum frequency	3.46 GHz vs 3.20 GHz
Thermal Design Power (TDP)	82 Watt vs 130 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.907 vs 0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	46.184 vs 32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.278 vs 0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.222 vs 0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.716 vs 2.347

Reasons to consider the Intel Core i7-940

Around 50% higher maximum memory size: 24 GB vs 16 GB
Around 12% better performance in PassMark - Single thread mark: 1318 vs 1173
Around 29% better performance in PassMark - CPU mark: 3007 vs 2324

Specifications (specs)
Maximum memory size	24 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1318 vs 1173
PassMark - CPU mark	3007 vs 2324

Compare benchmarks

CPU 1: Intel Core i7-860S
CPU 2: Intel Core i7-940

PassMark - Single thread mark

CPU 1

CPU 2

1173

1318

PassMark - CPU mark

CPU 1

CPU 2

2324

3007

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.907

0.508

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

46.184

32.258

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.278

0.191

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.222

0.84

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.716

2.347

Name	Intel Core i7-860S	Intel Core i7-940
PassMark - Single thread mark	1173	1318
PassMark - CPU mark	2324	3007
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.907	0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	46.184	32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.278	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.222	0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.716	2.347
Geekbench 4 - Single Core		512
Geekbench 4 - Multi-Core		1971

Compare specifications (specs)

	Intel Core i7-860S	Intel Core i7-940
Essentials
Architecture codename	Lynnfield	Bloomfield
Launch date	January 2010	November 2008
Launch price (MSRP)	$422	$299
Place in performance rating	2874	2861
Price now	$198.99	$70.70
Processor Number	i7-860S	i7-940
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	6.97	22.33
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.53 GHz	2.93 GHz
Bus Speed	2.5 GT/s DMI	4.8 GT/s QPI
Die size	296 mm2	263 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	3.46 GHz	3.20 GHz
Number of cores	4	4
Number of threads	8	8
Transistor count	774 million	731 million
VID voltage range	0.6500V-1.4000V	0.800V-1.375V
Front-side bus (FSB)		1333 MHz
Maximum core temperature		67.9°C
Number of QPI Links		1
Memory
Max memory channels	2	3
Maximum memory bandwidth	21 GB/s	25.6 GB/s
Maximum memory size	16 GB	24 GB
Supported memory types	DDR3 1066/1333	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	42.5mm x 45.0mm
Sockets supported	LGA1156	FCLGA1366
Thermal Design Power (TDP)	82 Watt	130 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit	36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)