Intel Core i7-2600K vs AMD Athlon II X3 405e

Comparative analysis of Intel Core i7-2600K and AMD Athlon II X3 405e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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 i7-2600K

AMD Athlon II X3 405e

Differences

Reasons to consider the Intel Core i7-2600K

CPU is newer: launch date 1 year(s) 3 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
1 more cores, run more applications at once: 4 vs 3
Around 65% higher clock speed: 3.80 GHz vs 2.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 79% better performance in PassMark - Single thread mark: 1744 vs 973
4.1x better performance in PassMark - CPU mark: 5483 vs 1331

Specifications (specs)
Launch date	3 January 2011 vs October 2009
Unlocked	Unlocked vs Locked
Number of cores	4 vs 3
Maximum frequency	3.80 GHz vs 2.3 GHz
Manufacturing process technology	32 nm vs 45 nm
Benchmarks
PassMark - Single thread mark	1744 vs 973
PassMark - CPU mark	5483 vs 1331

Reasons to consider the AMD Athlon II X3 405e

Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
2.1x lower typical power consumption: 45 Watt vs 95 Watt

L1 cache	128 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 1024 KB
Thermal Design Power (TDP)	45 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i7-2600K
CPU 2: AMD Athlon II X3 405e

PassMark - Single thread mark

CPU 1

CPU 2

1744

973

PassMark - CPU mark

CPU 1

CPU 2

5483

1331

Name	Intel Core i7-2600K	AMD Athlon II X3 405e
PassMark - Single thread mark	1744	973
PassMark - CPU mark	5483	1331
Geekbench 4 - Single Core	811
Geekbench 4 - Multi-Core	3117
3DMark Fire Strike - Physics Score	1845
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.524
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	77.745
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.602
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.129
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.018

Compare specifications (specs)

	Intel Core i7-2600K	AMD Athlon II X3 405e
Essentials
Architecture codename	Sandy Bridge	Rana
Launch date	3 January 2011	October 2009
Launch price (MSRP)	$317	$80
Place in performance rating	2315	2306
Price now	$189.99	$79.99
Processor Number	i7-2600K
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	13.10	7.46
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.40 GHz
Bus Speed	5 GT/s DMI
Die size	216 mm	169 mm
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	1024 KB	512 KB (per core)
L3 cache	8192 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	72.6°C
Maximum frequency	3.80 GHz	2.3 GHz
Number of cores	4	3
Number of threads	8
Transistor count	995 Million	300 million
Unlocked
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066/1333	DDR3
Graphics
Device ID	0x112
Graphics base frequency	850 MHz
Graphics max dynamic frequency	1.35 GHz
Graphics max frequency	1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 3000
Graphics interfaces
Number of displays supported	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA1155	AM3
Thermal Design Power (TDP)	95 Watt	45 Watt
Peripherals
Max number of PCIe lanes	16
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
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)