Intel Core i5-750 vs Intel Core i7-940

Comparative analysis of Intel Core i5-750 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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 i5-750

Intel Core i7-940

Differences

Reasons to consider the Intel Core i5-750

CPU is newer: launch date 10 month(s) later
Around 7% higher maximum core temperature: 72.7°C vs 67.9°C
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 12% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.569 vs 0.508
Around 53% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 49.474 vs 32.258
Around 14% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.218 vs 0.191
Around 42% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.196 vs 0.84
Around 83% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.294 vs 2.347

Specifications (specs)
Launch date	23 September 2009 vs November 2008
Maximum core temperature	72.7°C vs 67.9°C
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.569 vs 0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	49.474 vs 32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.218 vs 0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.196 vs 0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.294 vs 2.347

Reasons to consider the Intel Core i7-940

4 more threads: 8 vs 4
Around 50% higher maximum memory size: 24 GB vs 16 GB
Around 6% better performance in PassMark - Single thread mark: 1310 vs 1233
Around 16% better performance in PassMark - CPU mark: 2947 vs 2539
Around 2% better performance in Geekbench 4 - Single Core: 512 vs 502
Around 24% better performance in Geekbench 4 - Multi-Core: 1971 vs 1587

Specifications (specs)
Number of threads	8 vs 4
Maximum memory size	24 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1310 vs 1233
PassMark - CPU mark	2947 vs 2539
Geekbench 4 - Single Core	512 vs 502
Geekbench 4 - Multi-Core	1971 vs 1587

Compare benchmarks

CPU 1: Intel Core i5-750
CPU 2: Intel Core i7-940

PassMark - Single thread mark

CPU 1

CPU 2

1233

1310

PassMark - CPU mark

CPU 1

CPU 2

2539

2947

Geekbench 4 - Single Core

CPU 1

CPU 2

502

512

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1587

1971

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.569

0.508

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

CPU 1

CPU 2

49.474

32.258

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

CPU 1

CPU 2

0.218

0.191

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.196

0.84

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.294

2.347

Name	Intel Core i5-750	Intel Core i7-940
PassMark - Single thread mark	1233	1310
PassMark - CPU mark	2539	2947
Geekbench 4 - Single Core	502	512
Geekbench 4 - Multi-Core	1587	1971
3DMark Fire Strike - Physics Score	1761
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.569	0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	49.474	32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.218	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.196	0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.294	2.347

Compare specifications (specs)

	Intel Core i5-750	Intel Core i7-940
Essentials
Architecture codename	Lynnfield	Bloomfield
Launch date	23 September 2009	November 2008
Launch price (MSRP)	$150	$299
Place in performance rating	2852	2854
Price now	$160.50	$70.70
Processor Number	i5-750	i7-940
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	6.78	22.33
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz	2.93 GHz
Bus Speed	2.5 GT/s DMI	4.8 GT/s QPI
Die size	296 mm2	263 mm2
Front-side bus (FSB)	2500 MHz	1333 MHz
L1 cache	256 KB	64 KB (per core)
L2 cache	1 MB	256 KB (per core)
L3 cache	8 MB	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72.7°C	67.9°C
Maximum frequency	3.20 GHz	3.20 GHz
Number of cores	4	4
Number of threads	4	8
Transistor count	774 million	731 million
VID voltage range	0.6500V-1.4000V	0.800V-1.375V
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)	95 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® VT-x with Extended Page Tables (EPT)