Intel Core i7-940 vs Intel Celeron 2.80

Comparative analysis of Intel Core i7-940 and Intel Celeron 2.80 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 Celeron 2.80

Differences

Reasons to consider the Intel Core i7-940

CPU is newer: launch date 5 year(s) 0 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 14% higher clock speed: 3.20 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
32x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later
2.2x better performance in PassMark - Single thread mark: 1310 vs 600
11.6x better performance in PassMark - CPU mark: 2947 vs 254

Specifications (specs)
Launch date	November 2008 vs November 2003
Number of cores	4 vs 1
Maximum frequency	3.20 GHz vs 2.8 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	64 KB (per core) vs 8 KB
L2 cache	256 KB (per core) vs 128 KB
Benchmarks
PassMark - Single thread mark	1310 vs 600
PassMark - CPU mark	2947 vs 254

Reasons to consider the Intel Celeron 2.80

Around 10% higher maximum core temperature: 75°C vs 67.9°C
Around 91% lower typical power consumption: 68.4 Watt vs 130 Watt

Maximum core temperature	75°C vs 67.9°C
Thermal Design Power (TDP)	68.4 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-940
CPU 2: Intel Celeron 2.80

PassMark - Single thread mark

CPU 1

CPU 2

1310

600

PassMark - CPU mark

CPU 1

CPU 2

2947

254

Name	Intel Core i7-940	Intel Celeron 2.80
PassMark - Single thread mark	1310	600
PassMark - CPU mark	2947	254
Geekbench 4 - Single Core	512
Geekbench 4 - Multi-Core	1971
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	32.258
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 Celeron 2.80
Essentials
Architecture codename	Bloomfield	Northwood
Launch date	November 2008	November 2003
Launch price (MSRP)	$299
Place in performance rating	2854	2855
Price now	$70.70
Processor Number	i7-940
Series	Legacy Intel® Core™ Processors	Legacy Intel® Celeron® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	22.33
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	2.80 GHz
Bus Speed	4.8 GT/s QPI	400 MHz FSB
Die size	263 mm2	131 mm2
Front-side bus (FSB)	1333 MHz
L1 cache	64 KB (per core)	8 KB
L2 cache	256 KB (per core)	128 KB
L3 cache	8192 KB (shared)
Manufacturing process technology	45 nm	130 nm
Maximum core temperature	67.9°C	75°C
Maximum frequency	3.20 GHz	2.8 GHz
Number of cores	4	1
Number of QPI Links	1
Number of threads	8
Transistor count	731 million	55 million
VID voltage range	0.800V-1.375V	1.315V-1.525V
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
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42.5mm x 45.0mm	35mm x 35mm
Sockets supported	FCLGA1366	PPGA478
Thermal Design Power (TDP)	130 Watt	68.4 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	32-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)