AMD Athlon X4 740 vs Intel Core i7-975

Comparative analysis of AMD Athlon X4 740 and Intel Core i7-975 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory, 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

AMD Athlon X4 740

Intel Core i7-975

Differences

Reasons to consider the AMD Athlon X4 740

Around 3% higher clock speed: 3.7 GHz vs 3.60 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later
2x lower typical power consumption: 65 Watt vs 130 Watt

Maximum frequency	3.7 GHz vs 3.60 GHz
Manufacturing process technology	32 nm vs 45 nm
L2 cache	4 MB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 130 Watt

Reasons to consider the Intel Core i7-975

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more threads: 8 vs 4
Around 11% better performance in PassMark - Single thread mark: 1499 vs 1355
Around 33% better performance in PassMark - CPU mark: 3493 vs 2626
Around 34% better performance in Geekbench 4 - Single Core: 606 vs 452
Around 96% better performance in Geekbench 4 - Multi-Core: 2380 vs 1215
Around 73% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.376 vs 0.217
Around 36% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.196 vs 3.815

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of threads	8 vs 4
Benchmarks
PassMark - Single thread mark	1499 vs 1355
PassMark - CPU mark	3493 vs 2626
Geekbench 4 - Single Core	606 vs 452
Geekbench 4 - Multi-Core	2380 vs 1215
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.376 vs 0.217
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.196 vs 3.815

Compare benchmarks

CPU 1: AMD Athlon X4 740
CPU 2: Intel Core i7-975

PassMark - Single thread mark

CPU 1

CPU 2

1355

1499

PassMark - CPU mark

CPU 1

CPU 2

2626

3493

Geekbench 4 - Single Core

CPU 1

CPU 2

452

606

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1215

2380

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

CPU 1

CPU 2

0.217

0.376

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.815

5.196

Name	AMD Athlon X4 740	Intel Core i7-975
PassMark - Single thread mark	1355	1499
PassMark - CPU mark	2626	3493
Geekbench 4 - Single Core	452	606
Geekbench 4 - Multi-Core	1215	2380
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.217	0.376
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.815	5.196
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.084
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		63.217
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.858

Compare specifications (specs)

	AMD Athlon X4 740	Intel Core i7-975
Essentials
Family	AMD Athlon Processors
OPN PIB	AD740XOKHJBOX
OPN Tray	AD740XOKA44HJ
Place in performance rating	2615	2589
Series	AMD Athlon X4	Legacy Intel® Core™ Processors
Vertical segment	Desktop	Desktop
Architecture codename		Bloomfield
Launch date		June 2009
Launch price (MSRP)		$476
Price now		$179.99
Processor Number		i7-975
Status		Discontinued
Value for money (0-100)		10.04
Performance
Base frequency	3.2 GHz	3.33 GHz
L2 cache	4 MB	256 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum frequency	3.7 GHz	3.60 GHz
Number of cores	4	4
Number of threads	4	8
Unlocked
64 bit support
Bus Speed		6.4 GT/s QPI
Die size		263 mm2
Front-side bus (FSB)		1333 MHz
L1 cache		64 KB (per core)
L3 cache		8192 KB (shared)
Maximum core temperature		67.9°C
Number of QPI Links		1
Transistor count		731 million
VID voltage range		0.800V-1.375V
Compatibility
Sockets supported	FM2	FCLGA1366
Thermal Design Power (TDP)	65 Watt	130 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		1
Package Size		42.5mm x 45.0mm
Memory
Max memory channels		3
Maximum memory bandwidth		25.6 GB/s
Maximum memory size		24 GB
Supported memory types		DDR3 800/1066
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)