Intel Core i7-940 vs Intel Core 2 Quad Q9300

Comparative analysis of Intel Core i7-940 and Intel Core 2 Quad Q9300 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 i7-940

Intel Core 2 Quad Q9300

Differences

Reasons to consider the Intel Core i7-940

CPU is newer: launch date 8 month(s) later
Around 28% higher clock speed: 3.20 GHz vs 2.5 GHz
Around 21% better performance in PassMark - Single thread mark: 1310 vs 1081
Around 49% better performance in PassMark - CPU mark: 2947 vs 1984
Around 47% better performance in Geekbench 4 - Single Core: 512 vs 348
Around 84% better performance in Geekbench 4 - Multi-Core: 1971 vs 1074
Around 7% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.508 vs 0.473
Around 32% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 32.258 vs 24.465

Specifications (specs)
Launch date	November 2008 vs March 2008
Maximum frequency	3.20 GHz vs 2.5 GHz
Benchmarks
PassMark - Single thread mark	1310 vs 1081
PassMark - CPU mark	2947 vs 1984
Geekbench 4 - Single Core	512 vs 348
Geekbench 4 - Multi-Core	1971 vs 1074
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.508 vs 0.473
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	32.258 vs 24.465

Reasons to consider the Intel Core 2 Quad Q9300

Around 5% higher maximum core temperature: 71.4°C vs 67.9°C
6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt

Maximum core temperature	71.4°C vs 67.9°C
L2 cache	6144 KB vs 256 KB (per core)
Thermal Design Power (TDP)	95 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-940
CPU 2: Intel Core 2 Quad Q9300

PassMark - Single thread mark

CPU 1

CPU 2

1310

1081

PassMark - CPU mark

CPU 1

CPU 2

2947

1984

Geekbench 4 - Single Core

CPU 1

CPU 2

512

348

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1971

1074

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.508

0.473

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

CPU 1

CPU 2

32.258

24.465

Name	Intel Core i7-940	Intel Core 2 Quad Q9300
PassMark - Single thread mark	1310	1081
PassMark - CPU mark	2947	1984
Geekbench 4 - Single Core	512	348
Geekbench 4 - Multi-Core	1971	1074
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.508	0.473
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	32.258	24.465
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.347

Compare specifications (specs)

	Intel Core i7-940	Intel Core 2 Quad Q9300
Essentials
Architecture codename	Bloomfield	Yorkfield
Launch date	November 2008	March 2008
Launch price (MSRP)	$299
Place in performance rating	2854	2868
Price now	$70.70	$49.99
Processor Number	i7-940	Q9300
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	22.33	18.63
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	2.50 GHz
Bus Speed	4.8 GT/s QPI	1333 MHz FSB
Die size	263 mm2	164 mm2
Front-side bus (FSB)	1333 MHz
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	6144 KB
L3 cache	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	67.9°C	71.4°C
Maximum frequency	3.20 GHz	2.5 GHz
Number of cores	4	4
Number of QPI Links	1
Number of threads	8
Transistor count	731 million	456 million
VID voltage range	0.800V-1.375V	0.8500V-1.3625V
Maximum case temperature (TCase)		71 °C
Memory
Max memory channels	3
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	24 GB
Supported memory types	DDR3 800/1066	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42.5mm x 45.0mm	37.5mm x 37.5mm
Sockets supported	FCLGA1366	LGA775
Thermal Design Power (TDP)	130 Watt	95 Watt
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 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)