AMD Phenom X4 B99 vs Intel Core i7-6800K

Comparative analysis of AMD Phenom X4 B99 and Intel Core i7-6800K processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory, Graphics, 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).

AMD Phenom X4 B99

Intel Core i7-6800K

Differences

Reasons to consider the AMD Phenom X4 B99

Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 47% lower typical power consumption: 95 Watt vs 140 Watt

L2 cache	2 MB vs 256 KB (per core)
Thermal Design Power (TDP)	95 Watt vs 140 Watt

Reasons to consider the Intel Core i7-6800K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 65% better performance in PassMark - Single thread mark: 2271 vs 1377
4.2x better performance in PassMark - CPU mark: 10764 vs 2536

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	6 vs 4
Number of threads	12 vs 4
Benchmarks
PassMark - Single thread mark	2271 vs 1377
PassMark - CPU mark	10764 vs 2536

Compare benchmarks

CPU 1: AMD Phenom X4 B99
CPU 2: Intel Core i7-6800K

PassMark - Single thread mark

CPU 1

CPU 2

1377

2271

PassMark - CPU mark

CPU 1

CPU 2

2536

10764

Name	AMD Phenom X4 B99	Intel Core i7-6800K
PassMark - Single thread mark	1377	2271
PassMark - CPU mark	2536	10764
Geekbench 4 - Single Core		918
Geekbench 4 - Multi-Core		5410
3DMark Fire Strike - Physics Score		3686
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		7.629
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		89.35
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.985
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.774
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		10.121

Compare specifications (specs)

	AMD Phenom X4 B99	Intel Core i7-6800K
Essentials
Family	AMD Phenom
OPN Tray	HDXB99WFK4DGM
Place in performance rating	1823	1824
Series	AMD Business Class - AMD Phenom X4 Quad-Core	Intel® Core™ X-series Processors
Vertical segment	Desktop	Desktop
Architecture codename		Broadwell E
Launch date		May 2016
Launch price (MSRP)		$345
Price now		$419.99
Processor Number		i7-6800K
Status		Discontinued
Value for money (0-100)		9.53
Performance
Base frequency	3.3 GHz	3.40 GHz
L2 cache	2 MB	256 KB (per core)
Number of cores	4	6
Number of threads	4	12
Unlocked
64 bit support
L1 cache		32 KB (per core)
L3 cache		15360 KB (shared)
Manufacturing process technology		14 nm
Maximum case temperature (TCase)		72 °C
Maximum frequency		3.60 GHz
Compatibility
Sockets supported	AM3	FCLGA2011-3
Thermal Design Power (TDP)	95 Watt	140 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		1
Memory
Max memory channels		4
Maximum memory size		128 GB
Supported memory types		DDR4 2400/2133
Graphics
Processor graphics		None
Peripherals
Max number of PCIe lanes		28
PCI Express revision		3.0
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Turbo Boost Max 3.0
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)