AMD Athlon II X4 641 vs Intel Core i7-3820

Comparative analysis of AMD Athlon II X4 641 and Intel Core i7-3820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization, Peripherals, Security & Reliability, Advanced Technologies. 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).

AMD Athlon II X4 641

Intel Core i7-3820

Differences

Reasons to consider the AMD Athlon II X4 641

Around 5% higher maximum core temperature: 70.10°C vs 66.8°C
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 30% lower typical power consumption: 100 Watt vs 130 Watt

Maximum core temperature	70.10°C vs 66.8°C
L1 cache	512 KB vs 64 KB (per core)
L2 cache	4 MB vs 256 KB (per core)
Thermal Design Power (TDP)	100 Watt vs 130 Watt

Reasons to consider the Intel Core i7-3820

4 more threads: 8 vs 4
Around 36% higher clock speed: 3.80 GHz vs 2.8 GHz
Around 47% better performance in PassMark - Single thread mark: 1745 vs 1189
2.5x better performance in PassMark - CPU mark: 5771 vs 2313
2x better performance in Geekbench 4 - Single Core: 756 vs 369
2.5x better performance in Geekbench 4 - Multi-Core: 3163 vs 1247

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 2.8 GHz
Benchmarks
PassMark - Single thread mark	1745 vs 1189
PassMark - CPU mark	5771 vs 2313
Geekbench 4 - Single Core	756 vs 369
Geekbench 4 - Multi-Core	3163 vs 1247

Compare benchmarks

CPU 1: AMD Athlon II X4 641
CPU 2: Intel Core i7-3820

PassMark - Single thread mark

CPU 1

CPU 2

1189

1745

PassMark - CPU mark

CPU 1

CPU 2

2313

5771

Geekbench 4 - Single Core

CPU 1

CPU 2

369

756

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1247

3163

Name	AMD Athlon II X4 641	Intel Core i7-3820
PassMark - Single thread mark	1189	1745
PassMark - CPU mark	2313	5771
Geekbench 4 - Single Core	369	756
Geekbench 4 - Multi-Core	1247	3163
3DMark Fire Strike - Physics Score		3318
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.758

Compare specifications (specs)

	AMD Athlon II X4 641	Intel Core i7-3820
Essentials
Architecture codename	Llano	Sandy Bridge E
Family	AMD Athlon Processors
Launch date	February 2012	February 2012
OPN PIB	AD641XWNGXBOX
OPN Tray	AD641XWNZ43GX
Place in performance rating	2477	2232
Price now	$91.50	$199.99
Series	AMD Athlon II X4	Intel® Core™ X-series Processors
Value for money (0-100)	10.77	13.26
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$400
Processor Number		i7-3820
Status		Discontinued
Performance
64 bit support
Base frequency	2.8 GHz	3.60 GHz
Die size	228 mm	294 mm
L1 cache	512 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	70.10°C	66.8°C
Maximum frequency	2.8 GHz	3.80 GHz
Number of cores	4	4
Number of threads	4	8
Transistor count	1178 million	1270 million
Unlocked
Bus Speed		5 GT/s DMI2
L3 cache		10240 KB (shared)
Maximum case temperature (TCase)		67 °C
VID voltage range		0.600V – 1.350V
Memory
Supported memory types	DDR3	DDR3 1066/1333/1600
Max memory channels		4
Maximum memory bandwidth		51.2 GB/s
Maximum memory size		64.23 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1 uPGA	FCLGA2011
Thermal Design Power (TDP)	100 Watt	130 Watt
Low Halogen Options Available
Package Size		52.5mm x 45.0mm
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Peripherals
Max number of PCIe lanes		40
PCI Express revision		2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring