Intel Core i7-5820K vs AMD Phenom II X3 B77

Comparative analysis of Intel Core i7-5820K and AMD Phenom II X3 B77 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, 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 i7-5820K

AMD Phenom II X3 B77

Differences

Reasons to consider the Intel Core i7-5820K

CPU is newer: launch date 4 year(s) 4 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
3 more cores, run more applications at once: 6 vs 3
9 more threads: 12 vs 3
Around 13% higher clock speed: 3.60 GHz vs 3.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 52% better performance in PassMark - Single thread mark: 1994 vs 1310
5.3x better performance in PassMark - CPU mark: 9846 vs 1844

Specifications (specs)
Launch date	September 2014 vs May 2010
Unlocked	Unlocked vs Locked
Number of cores	6 vs 3
Number of threads	12 vs 3
Maximum frequency	3.60 GHz vs 3.2 GHz
Manufacturing process technology	22 nm vs 45 nm
L3 cache	15360 KB (shared) vs 6144 KB (shared)
Benchmarks
PassMark - Single thread mark	1994 vs 1310
PassMark - CPU mark	9846 vs 1844

Reasons to consider the AMD Phenom II X3 B77

Around 47% lower typical power consumption: 95 Watt vs 140 Watt

Thermal Design Power (TDP)	95 Watt vs 140 Watt

Compare benchmarks

CPU 1: Intel Core i7-5820K
CPU 2: AMD Phenom II X3 B77

PassMark - Single thread mark

CPU 1

CPU 2

1994

1310

PassMark - CPU mark

CPU 1

CPU 2

9846

1844

Name	Intel Core i7-5820K	AMD Phenom II X3 B77
PassMark - Single thread mark	1994	1310
PassMark - CPU mark	9846	1844
Geekbench 4 - Single Core	922
Geekbench 4 - Multi-Core	5516
3DMark Fire Strike - Physics Score	3496
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.078
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	82.265
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.842
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.449
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	8.679

Compare specifications (specs)

	Intel Core i7-5820K	AMD Phenom II X3 B77
Essentials
Architecture codename	Haswell E	Heka
Launch date	September 2014	May 2010
Launch price (MSRP)	$410
Place in performance rating	1921	1935
Price now	$299.99	$26.59
Processor Number	i7-5820K
Series	Intel® Core™ X-series Processors	AMD Business Class - AMD Phenom X3 Triple-Core
Status	Discontinued
Value for money (0-100)	12.75	33.97
Vertical segment	Desktop	Desktop
Family		AMD Phenom
OPN Tray		HDXB77WFK3DGM
Performance
64 bit support
Base frequency	3.30 GHz	3.2 GHz
Bus Speed	0 GT/s
Die size	356 mm	258 mm
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	15360 KB (shared)	6144 KB (shared)
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	66.8 °C
Maximum frequency	3.60 GHz	3.2 GHz
Number of cores	6	3
Number of threads	12	3
Transistor count	2600 million	758 million
Unlocked
Memory
Max memory channels	4
Maximum memory bandwidth	68 GB/s
Maximum memory size	64 GB
Supported memory types	DDR4 1600/1866/2133	DDR3
Graphics
Processor graphics	None
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0mm
Sockets supported	FCLGA2011-3	AM3
Thermal Design Power (TDP)	140 Watt	95 Watt
Peripherals
Max number of PCIe lanes	28
PCI Express revision	3.0
Scalability	1S Only
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® AVX2
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)